content
string
quality_label
int64
meta
string
all-MiniLM-L6-v2_embedding
list
doc_id
int64
unique_id
string
Find Hourly Cost November 11th 2008, 09:12 PM #1 MHF Contributor Joined Jul 2008 From NYC Posts 1,489 Find Hourly Cost Ramón rented a sprayer and a generator. On his first job, he used each piece of equipment for 6 hours at a total cost of $90. On his second job, he used the sprayer for 4 hours and t...
4
[ -0.0244140625, 0.1279296875, -0.0032958984375, 0.0203857421875, 0.0038909912109375, -0.01446533203125, -0.0025482177734375, 0.06396484375, -0.06005859375, 0.051025390625, 0.004119873046875, -0.0191650390625, 0.048095703125, 0.0166015625, 0.01708984375, 0.04541015625, -0.12255859375, ...
32,000
32000
Mixing a uniform distribution with a normal distribution July 8th 2011, 06:49 AM #1 Newbie Joined Sep 2009 Posts 11 Mixing a uniform distribution with a normal distribution Here is my Problem. Let X~Uniform(0,2) and Y~Normal(0,1) be independent random variables. Let Z ={1 if X > Y {2 if X <...
5
[ 0.02734375, 0.0303955078125, 0.039306640625, -0.072265625, 0.04150390625, -0.0849609375, 0.035400390625, -0.06640625, -0.07275390625, -0.004486083984375, -0.047119140625, 0.00159454345703125, 0.10009765625, 0.0732421875, 0.049560546875, -0.0303955078125, 0.00347900390625, -0.018554...
32,001
32001
equivalent compounded monthly interest of a loan. June 8th 2010, 07:15 PM #1 Newbie Joined Jun 2010 Posts 3 equivalent compounded monthly interest of a loan. The equivalent annual rate of a 8% a compounded semi-annual loan is 8.16%((1.04)^2).What is the equivalent compounded monthly interest of this loan...
4
[ 0.09423828125, 0.0296630859375, 0.0234375, -0.021484375, -0.0294189453125, -0.0703125, -0.09814453125, 0.0625, -0.0189208984375, 0.04150390625, 0.0014495849609375, -0.06787109375, -0.038818359375, 0.012939453125, 0.03271484375, 0.01318359375, -0.0634765625, -0.016357421875, -0.03...
32,002
32002
Homework Help Posted by tia on Wednesday, April 16, 2008 at 8:28am. Could somebody please check these for me? Solve the differential equation with the given initial solution. 1. (dy/dx)=(-y/3) for y(0)=10 my answer was y=10e^(-x/3) 2. dP/dt=P+4 for P(0)=100 my answer was P=104(e^t)-4 3. dz/dt=te^z for z(0)=0 ...
5
[ -0.09375, 0.0103759765625, 0.024169921875, -0.048828125, 0.037109375, -0.0322265625, 0.048828125, 0.0179443359375, -0.07177734375, 0.0791015625, 0.1279296875, -0.01165771484375, 0.034423828125, 0.09130859375, -0.03564453125, -0.01251220703125, -0.0654296875, -0.037353515625, -0.0...
32,003
32003
continuous functions November 5th 2007, 08:43 AM MKLyon continuous functions These two problems appear in my textbook: Give a function f: R to R continuous only at x = 0 and x = 1. For this, let f(x) = x^2 if x is rational and x if x is irrational. Then it is continuous only at x^2 = x which implie...
5
[ -0.029296875, -0.002777099609375, -0.07568359375, 0.10400390625, -0.025634765625, 0.0859375, 0.056396484375, -0.0341796875, 0.005218505859375, -0.07861328125, 0.06982421875, 0.004730224609375, 0.038818359375, 0.1171875, -0.0172119140625, -0.02294921875, -0.0201416015625, -0.046875,...
32,004
32004
Exponent problem!! Last edited by Revelsyn; October 13th 2008 at 07:18 AM. $2^{-n} \left ( 2^n - 2^{1 + n} \right )$ First, note that multiplication is distributive over addition, so this is: $2^{-n} \left ( 2^n - 2^{1 + n} \right ) = 2^{-n} \cdot 2^n - 2^{-n} \cdot 2^{1 + n}$ Now use the property that $a^x \cdot a^y ...
4
[ -0.0264892578125, 0.07177734375, -0.0140380859375, 0.056640625, 0.03125, -0.06298828125, 0.005859375, 0.06005859375, -0.02734375, -0.0185546875, -0.00127410888671875, -0.0712890625, 0.0250244140625, 0.031982421875, -0.013671875, 0.055908203125, -0.0673828125, -0.0032501220703125, ...
32,005
32005
Difference Equations November 17th 2010, 06:43 PM veronicak5678 Difference Equations The solution to du/dt = Au = [ 0 -1; 1 0] u (eigenvalues i and -i) goes around in a circle: u = (cos t, sin t). Suppose we approximate du/dt by forward, backward, and centered differences F, B, and C: (F) U(n+1) - U(n) =...
4
[ -0.10205078125, 0.055419921875, -0.05078125, -0.00092315673828125, 0.0010833740234375, -0.003692626953125, -0.046630859375, -0.0233154296875, 0.0228271484375, -0.02490234375, 0.04345703125, -0.029541015625, -0.052001953125, -0.020751953125, 0.0015106201171875, -0.054443359375, -0.027...
32,006
32006
[SOLVED] Consumer Mathematics January 31st 2009, 11:46 PM #1 Junior Member Joined Sep 2008 Posts 73 [SOLVED] Consumer Mathematics I placed $1200 in an bank investment which paid 8% p.a compound interest. At the same time, I placed $1800 in a bank which paid 4% p.a compound interest. During which year wou...
4
[ 0.056640625, 0.049560546875, -0.06396484375, -0.054443359375, -0.08935546875, -0.057861328125, 0.00634765625, 0.091796875, -0.02587890625, 0.0263671875, -0.020751953125, 0.01348876953125, 0.0284423828125, 0.09814453125, 0.06494140625, 0.0654296875, -0.09228515625, 0.0634765625, -...
32,007
32007
values of k September 24th 2009, 01:11 AM #1 Member Joined Aug 2009 Posts 211 values of k hi, i'm stuck on a question and would like some help please: find the values for k for which the quadratic equation $3x^2 + (6 - k)x + 12 = 0$ has equal roots. i used the discriminant theory and got it to $\sqr...
4
[ 0.0262451171875, 0.007598876953125, -0.033203125, -0.026123046875, -0.11767578125, 0.08203125, 0.01043701171875, -0.0034027099609375, 0.035888671875, 0.0184326171875, 0.06689453125, 0.0238037109375, 0.007598876953125, -0.0228271484375, -0.03271484375, 0.0076904296875, -0.012573242187...
32,008
32008
ng Narrow Search Earth and space science Mathematics Sort by: Per page: Now showing results 11-19 of 19 In this activity students add and subtract log distances on their Log Tapes to discover that the corresponding numbers multiply and divide. This will lead them to an experiential understanding of the laws of lo...
4
[ -0.03955078125, 0.01171875, 0.00092315673828125, -0.00096893310546875, -0.02978515625, -0.10205078125, 0.029541015625, 0.09375, 0.0191650390625, 0.0703125, 0.0098876953125, 0.032470703125, -0.04345703125, 0.0869140625, -0.0296630859375, -0.08056640625, -0.1083984375, 0.049072265625...
32,009
32009
Homework Help Posted by Terry B on Sunday, April 6, 2008 at 9:57pm. Please check my work, thank you If $7,800 is deposited into an account paying 6% interest compounded annually (at the end of each year), how much money is in the account after 2 years? A=$8,268.00 Rewrite the statement, using percent notation. Out ...
4
[ 0.0986328125, 0.0213623046875, -0.00360107421875, 0.000885009765625, -0.034423828125, -0.06982421875, 0.000720977783203125, 0.020751953125, -0.01611328125, 0.11572265625, -0.01220703125, -0.058349609375, 0.03173828125, 0.0400390625, 0.031494140625, 0.057861328125, -0.1015625, -0.04...
32,010
32010
Galois theory December 28th 2008, 11:44 AM #1 Member Joined Aug 2008 Posts 97 Galois theory Please help me with the following question. Let $f(x)$ be n-th degree irreducible polynomial in $\mathbb Q[x].$ And let $a_i$ for $i\in [1,n]$ be the roots of $f(x).$ and for each $a_i$ let $d_i(f)$ be the ro...
5
[ -0.02587890625, -0.00897216796875, 0.03173828125, -0.012939453125, -0.046142578125, 0.032958984375, 0.06982421875, 0.0625, 0.038818359375, -0.07861328125, 0.0517578125, -0.044677734375, 0.0184326171875, -0.0113525390625, -0.044189453125, 0.048583984375, -0.0625, 0.00017356872558593...
32,011
32011
Homework Help Posted by Spy[c] on Wednesday, September 22, 2010 at 10:23pm. Solving Trig Functions: How Do You Solve For Sin 7.5 Using Half-Angle and Double-Angle Identities? • trig - MathMate, Wednesday, September 22, 2010 at 11:04pm Formulas to remember: sin(2a)=2sin(a)cos(a) cos(2a)=cos²(a)-sin²(a)...
4
[ -0.142578125, 0.03857421875, 0.0732421875, 0.03369140625, -0.0020599365234375, 0.0111083984375, -0.03125, 0.03369140625, 0.0206298828125, 0.07275390625, 0.06494140625, -0.0810546875, -0.04931640625, 0.059326171875, 0.03173828125, 0.00604248046875, -0.06494140625, 0.0196533203125, ...
32,012
32012
arithmetic-geometric series February 5th 2007, 05:01 PM kcsteven arithmetic-geometric series The general arithmetic-geometric series of n terms is a series of the form: a + (a+d)r + (a + 2d)r^2 + ... +[a + (n - 1)d]r^n-1 Where the first factors of each term form an arithmetic series and the second factors fo...
5
[ -0.0478515625, 0.01007080078125, -0.0213623046875, -0.029296875, 0.00012111663818359375, 0.042236328125, -0.0546875, -0.01165771484375, 0.033447265625, 0.06494140625, -0.05322265625, 0.019775390625, 0.032470703125, 0.0272216796875, 0.0281982421875, -0.035400390625, -0.02587890625, ...
32,013
32013
Transforming the Normal distribution November 26th 2009, 04:51 PM #1 Transforming the Normal distribution $X$ is a standard normal random variable. Show that the PDF of $Z=(X+1)^2$ is $(8\pi z)^{-\frac{1}{2}}e^{-\frac{1}{2}(z+1)}\left(e^{\sqrt{z}}+e^{-\sqrt{z}}\right)$ I've tried this loads of times but...
5
[ -0.033203125, 0.05029296875, 0.044921875, 0.01708984375, 0.007171630859375, -0.05322265625, -0.05615234375, 0.0228271484375, 0.021728515625, 0.052734375, 0.060546875, 0.0120849609375, 0.040771484375, 0.0537109375, -0.028564453125, -0.0830078125, 0.00457763671875, -0.0576171875, -...
32,014
32014
Co-induction understanding up vote 10 down vote favorite 5 Hi, I am studying coinduction(not induction) as part of a class on static analysis. Rummaging around the internet, I am simply not finding a clear, concise description of: • How coinduction actually proves something(it seems that coinduction is like waving...
5
[ -0.07373046875, 0.05859375, 0.0230712890625, 0.0028839111328125, -0.0235595703125, 0.062255859375, 0.015869140625, 0.06396484375, 0.0240478515625, 0.1083984375, -0.005157470703125, -0.048828125, -0.008544921875, 0.016357421875, 0.04638671875, 0.0230712890625, 0.00537109375, -0.0015...
32,015
32015
Please help me with these problems. February 8th 2008, 04:40 AM blertta Please help me with these problems. 1)Prove that if n is an odd positive integer, then N = 2269n + 1779n + 1730n ¡ 1776n is an integer multiple of 2001... 2)Factor the expression 30(a2 + b2 + c2 + d2) + 68ab ¡ 75ac ¡ 156ad ¡ 61bc...
4
[ -0.09521484375, 0.07373046875, 0.058837890625, 0.01409912109375, 0.04638671875, 0.1015625, 0.051025390625, 0.0272216796875, -0.06298828125, -0.032958984375, 0.010498046875, -0.0142822265625, 0.0184326171875, -0.004150390625, -0.06298828125, 0.029052734375, -0.0546875, -0.0104980468...
32,016
32016
Discrete Valuation Rings Maybe this title isn’t exactly what the post is about, but today will mostly be a hodgepodge attempt to get some more out there. I’m not sure what else to do with regular local rings (other than systems of parameters which I’m not too excited to post on), so I’ll move on. The next set of theore...
5
[ 0.0054931640625, 0.078125, -0.027099609375, -0.0296630859375, -0.01708984375, -0.042236328125, 0.01251220703125, -0.05029296875, 0.01251220703125, -0.054443359375, 0.006988525390625, -0.0245361328125, -0.01025390625, -0.0341796875, -0.048828125, 0.0634765625, 0.04345703125, 0.02624...
32,017
32017
Prove an Equation involving Square Roots Proof $<br /> \frac{a-1}{2 } \sqrt{\frac{a+1}{a-1 } } +\frac{a+1}{2 } \sqrt{\frac{a-1}{a+1 } } = \sqrt{a^2-1} <br />$ fankyou. Last edited by BabyMilo; June 10th 2011 at 11:06 AM. I believe that there is a horrible typo in the question: it should be $\frac{a-1}{2 } \sqrt{\frac...
4
[ -0.045654296875, -0.04443359375, 0.06396484375, 0.034423828125, -0.05126953125, -0.0299072265625, -0.1416015625, 0.01043701171875, 0.02783203125, 0.0732421875, 0.0218505859375, 0.0341796875, 0.03369140625, 0.06591796875, -0.0380859375, 0.02197265625, 0.03369140625, -0.03271484375, ...
32,018
32018
Gcd, Euclidean Algorithm, Polynomials October 21st 2006, 02:14 PM JaysFan31 Gcd, Euclidean Algorithm, Polynomials Find the GCD using the Euclidean Algorithm of (4x^4)+(2x^3)+(6x^2)+4x+5 and (3x^3)+(5x^2)+6x in Z7[x]. So I divided the polynomials and kept getting ridiculously complex fraction...
5
[ -0.08056640625, -0.017822265625, -0.09814453125, 0.0361328125, 0.0257568359375, -0.095703125, 0.00567626953125, -0.0308837890625, -0.0208740234375, -0.00148773193359375, -0.025390625, 0.02392578125, 0.08203125, 0.017822265625, -0.052978515625, 0.0020599365234375, -0.0166015625, 0.0...
32,019
32019
[SOLVED] Difference of cubes Hello,That's the sum of cubes (Rofl) Well, well... The formula is $x^3+y^3=(x+y)(x^2-xy+y^2)$ If you cant remember it, start from $(x+y)^3$ and develop it ;) Solving for it... ? Not impossible. Note that $208=2^4*13$ Since x and y are natural numbers, $x+y>0$ and $x^2-xy+y^2>0$ are integers...
4
[ 0.00408935546875, 0.083984375, -0.134765625, 0.0257568359375, 0.01434326171875, -0.02099609375, 0.025634765625, -0.03271484375, -0.018310546875, -0.09326171875, 0.032470703125, -0.005157470703125, 0.01300048828125, -0.01361083984375, 0.11474609375, 0.01007080078125, -0.0537109375, ...
32,020
32020
intergral of e^x / (1-2e^x)^3 dx help April 5th 2012, 08:23 AM #1 Junior Member Joined Apr 2012 From west midlands Posts 26 intergral of e^x / (1-2e^x)^3 dx help e^x / (1-2e^x)^3 dx i replaced (1-2e^x) with a random letter in my case i used "p" i ended up with the answer: 1 / 4(1-2e^x)² + C...
5
[ -0.006805419921875, -0.031494140625, 0.031494140625, -0.043212890625, 0.0067138671875, -0.054931640625, 0.0054931640625, -0.01177978515625, -0.0206298828125, 0.037109375, 0.03662109375, -0.0303955078125, 0.03857421875, -0.0018768310546875, 0.002838134765625, -0.052978515625, 0.078613...
32,021
32021
Wolfram Demonstrations Project Resonance Lineshapes of a Driven Damped Harmonic Oscillator The plots show (solid lines) the frequency dependence of the amplitude, the phase, the in-phase component, and the quadrature component of a driven damped harmonic oscillator. The variable parameter is the quality factor Q of ...
4
[ -0.09619140625, 0.0201416015625, 0.053466796875, 0.05322265625, -0.16015625, -0.007049560546875, -0.099609375, 0.01171875, 0.0301513671875, -0.055908203125, 0.0260009765625, -0.0196533203125, 0.07275390625, -0.07373046875, -0.0024871826171875, 0.06640625, 0.031982421875, 0.01770019...
32,022
32022
more challenging related rates cone problem October 27th 2007, 10:22 AM #1 more challenging related rates cone problem Everyone has seen the old, cliche related rates problem where a cone is being filled with water. How fast is the height of the water changing at the instant the water is h units deep...yada, ...
5
[ 0.01544189453125, 0.0031585693359375, 0.01483154296875, -0.0439453125, -0.040283203125, -0.048583984375, -0.02294921875, 0.05712890625, 0.0238037109375, 0.017333984375, -0.0194091796875, 0.010009765625, -0.035888671875, 0.095703125, -0.01519775390625, 0.02490234375, -0.058349609375, ...
32,023
32023
Navy Electricity and Electronics Training Series (NEETS) Module 8—Introduction to Amplifiers Pages i - ix , 1-1 to 1-10 , 1-11 to 1-20 , 1-21 to 1-30 , 1-31 to 1-40 , 2-1 to 2-10 , 2-11 to 2-20 , 2-21 to 2-30 , 2-31 to 2-35 , 3-1 to 3-10 , 3-11 to 3-20 , 3-21 to 3-30 , 3-31 to 3-40 , 3-41 to...
4
[ -0.1162109375, 0.0128173828125, -0.01177978515625, -0.0245361328125, 0.032470703125, 0.0255126953125, -0.0125732421875, 0.072265625, -0.05126953125, 0.015869140625, -0.00162506103515625, -0.0751953125, 0.041259765625, 0.0128173828125, -0.031982421875, 0.07958984375, -0.078125, 0.05...
32,024
32024
Inverse functions + derivative March 18th 2009, 04:05 AM #1 Junior Member Joined Jan 2008 Posts 35 Inverse functions + derivative Hi, I have a question that is troubling me: Given that for f: R -> R such that f(x) = 2 x + cos x, find g' (1) where g is the inverse of f. I've tried trying to find...
5
[ -0.0859375, -0.0615234375, 0.047119140625, 0.0556640625, 0.033203125, -0.07666015625, 0.027099609375, 0.030029296875, -0.044677734375, 0.099609375, 0.005218505859375, 0.00860595703125, 0.031494140625, -0.03955078125, 0.0272216796875, 0.0029449462890625, -0.01104736328125, 0.0015182...
32,025
32025
Details Hewlett-Packard HP-97 Datasheet legend Ab/c: Fractions calculation AC: Alternating current BaseN: Number base calculations Card: Magnetic card storage Cme...
5
[ -0.04541015625, 0.04443359375, -0.07861328125, 0.007598876953125, -0.0223388671875, -0.0157470703125, -0.044189453125, 0.0830078125, -0.007568359375, -0.048095703125, -0.0005340576171875, -0.037353515625, -0.0230712890625, 0.03271484375, -0.10546875, 0.03466796875, 0.0277099609375, ...
32,026
32026
gradient of a curve January 9th 2009, 02:39 PM #1 Junior Member Joined Jul 2008 From Cyprus Posts 45 gradient of a curve Find the gradient of the curve y=2x^3 - 5x^2 + 46x + 87 at the point where it crosses the x axis. I'm having real problems with this one as all the examples i've done before h...
5
[ -0.055419921875, -0.0830078125, -0.042724609375, -0.01055908203125, 0.043701171875, 0.078125, -0.000782012939453125, 0.054443359375, 0.005279541015625, -0.0732421875, 0.0849609375, 0.0291748046875, 0.05029296875, 0.0146484375, 0.0361328125, 0.078125, -0.056640625, -0.04931640625, ...
32,027
32027
Details Citizen SRP-265 Datasheet legend Ab/c: Fractions calculation AC: Alternating current BaseN: Number base calculations Card: Magnetic card storage ...
5
[ -0.06591796875, 0.052978515625, -0.083984375, 0.006317138671875, -0.00970458984375, 0.00982666015625, -0.0419921875, 0.11474609375, -0.004486083984375, 0.01190185546875, -0.0128173828125, -0.0703125, 0.02490234375, 0.0191650390625, -0.06005859375, 0.0172119140625, 0.00037765502929687...
32,028
32028
Positive integer proof August 2nd 2010, 07:45 AM #1 Positive integer proof If $n$ is a natural number, then $(2003 + \frac{1}{2})^n + (2004 + \frac{1}{2})^n$ is a positive integer: A) when $n$ is even B) when $n$ is odd C) only when $n=117$ or $n=119$ D) only when $n=1$ or $n=3$ ========...
5
[ -0.003753662109375, 0.036376953125, 0.0159912109375, 0.0174560546875, 0.099609375, 0.0537109375, -0.0115966796875, 0.087890625, -0.028564453125, 0.0205078125, -0.037109375, -0.052978515625, 0.01025390625, 0.007598876953125, -0.00823974609375, 0.0164794921875, -0.0361328125, 0.02770...
32,029
32029
Hyperbolic functions November 1st 2009, 05:21 AM #1 Member Joined Dec 2008 Posts 105 Hyperbolic functions Hi, I'm having problem with this question: If $y = \cosh(x)$ for x > 0, find x in terms of y and hence show that $\cosh^{-1}x = \ln (x + \sqrt{x^2-1})$. State the domain and range of the fu...
5
[ 0.03369140625, -0.016357421875, 0.05908203125, -0.060546875, 0.033203125, -0.06982421875, -0.0206298828125, -0.02197265625, -0.037353515625, -0.0299072265625, 0.11474609375, 0.00188446044921875, -0.0283203125, 0.058349609375, -0.010986328125, 0.0022430419921875, 0.009765625, -0.120...
32,030
32030
formula sets. proof: if Γ subset Σ => Γ = Σ November 22nd 2011, 09:18 AM #1 Newbie Joined Nov 2011 Posts 7 formula sets. proof: if Γ subset Σ => Γ = Σ Γ and Σ are formula sets. Σ is satisfieable., and for every formula θ applies θ $\in$ Γ or $eg$θ $\in$ Γ. Proof Γ $\subseteq$ Σ => Γ = Σ I dont kn...
5
[ -0.09912109375, -0.03369140625, 0.07177734375, -0.023681640625, -0.0087890625, 0.0830078125, 0.08349609375, 0.076171875, -0.0198974609375, -0.01513671875, -0.04638671875, 0.00927734375, 0.0732421875, -0.0010528564453125, 0.00653076171875, -0.0140380859375, 0.0966796875, 0.015014648...
32,031
32031
Math Help January 28th 2013, 08:02 AM #1 Member Joined Oct 2012 From Istanbul Posts 181 Thanks 1 need help There are 3 cars going on a autobahn. At the end of the autobahn there are 3 turnpikes. What is the probability that one of them will pass through a different turnpike than the others and t...
4
[ 0.0093994140625, -0.10400390625, -0.03466796875, -0.0634765625, -0.1025390625, 0.00537109375, 0.06640625, -0.0279541015625, -0.01397705078125, -0.003082275390625, 0.00701904296875, -0.07275390625, -0.01177978515625, 0.0211181640625, 0.00482177734375, 0.024169921875, -0.053466796875, ...
32,032
32032
Trial & Improvement June 10th 2007, 03:59 AM Danielisew Trial & Improvement I don't know where to start :D I started at 1.5, and i think i was doing the calculations wrong.. You can use a calculator for this: Q1: The equation x^3 + 10x = 21 has a solution between 1 and 2 Use a trial and im...
4
[ 0.00799560546875, 0.032958984375, 0.06640625, 0.0155029296875, 0.01104736328125, -0.026611328125, -0.0157470703125, 0.09375, -0.00970458984375, 0.024658203125, 0.0517578125, -0.036376953125, 0.041259765625, 0.0322265625, 0.00112152099609375, 0.003082275390625, -0.00927734375, 0.065...
32,033
32033
Homework Help Posted by Brianna on Friday, May 11, 2012 at 7:54pm. An archer puts a 0.26-kg arrow to the bow-string. An average force of 200 N is exerted to draw the string back 1.4 m. (a) Assuming no frictional loss, with what speed does the arrow leave the bow? m/s (b) If the arrow is shot straight up, how high d...
4
[ 0.05224609375, -0.000263214111328125, 0.025390625, 0.0238037109375, -0.07177734375, 0.038330078125, -0.005218505859375, 0.095703125, -0.02490234375, 0.027099609375, 0.0255126953125, 0.00185394287109375, -0.0247802734375, 0.0118408203125, -0.0966796875, 0.123046875, 0.02685546875, 0...
32,034
32034
Two fair dice are thrown. Prob of event A. March 16th 2011, 01:44 AM SolCon Two fair dice are thrown. Prob of event A. Hi to all. Simple question but answer seems to be coming wrong. Question says: Two fair dice are thrown. (i) Event A is ‘the scores differ by 3 or more’. Find the probability...
4
[ 0.0262451171875, -0.03955078125, 0.005950927734375, -0.08984375, -0.047607421875, 0.0380859375, 0.031982421875, 0.032470703125, 0.09619140625, 0.043212890625, -0.03125, -0.01190185546875, 0.03662109375, -0.0198974609375, -0.00909423828125, 0.003204345703125, -0.07373046875, -0.0211...
32,035
32035
the encyclopedic entry of jaboulay's method In numerical analysis , Newton's method (also known as the Newton–Raphson method , named after Isaac Newton and Joseph Raphson ) is perhaps the best known method for finding successively better approximations to the zeros (or roots ) of a real -valued function ...
5
[ -0.095703125, -0.020263671875, -0.0771484375, 0.0166015625, -0.050537109375, -0.0673828125, -0.10986328125, 0.07568359375, 0.0322265625, 0.034912109375, 0.03173828125, 0.068359375, 0.02099609375, 0.03076171875, -0.06640625, -0.04541015625, 0.00799560546875, -0.003021240234375, 0....
32,036
32036
Rolle's Theorem February 27th 2010, 09:25 AM MatthewD Rolle's Theorem I'm really stuck on this problem... If I let the function: f : I→ I be continuous on I and differentiable on the open set I for I := [0,1] I know that theres at least 1 point t ∈ [0, 1] such that f(t) = t. Now I need t...
4
[ -0.033935546875, -0.0064697265625, 0.03759765625, -0.03857421875, -0.031982421875, -0.03662109375, 0.13671875, 0.07080078125, 0.050048828125, -0.00885009765625, -0.01025390625, -0.01385498046875, 0.1357421875, 0.0244140625, -0.04833984375, -0.0224609375, -0.052490234375, -0.0417480...
32,037
32037
Solving for sin(x) July 23rd 2011, 12:47 PM #1 Newbie Joined Jul 2011 Posts 16 Solving for sin(x) Given that $\tan(x) = \frac{2}{3}\mbox{ and } \pi<x<\frac{3\pi}{2} \mbox{, find }\sin(x)\\$ I know that $\pi<x<\frac{3\pi}{2}$ puts $x$ in Quadrant III in the unit circle, but I don't see how that helps...
4
[ -0.10498046875, -0.06591796875, -0.0235595703125, 0.0390625, -0.08056640625, 0.002197265625, -0.03076171875, 0.0020751953125, 0.0419921875, -0.0002841949462890625, 0.0238037109375, -0.064453125, -0.002044677734375, -0.024658203125, 0.1103515625, -0.03515625, 0.06982421875, 0.023193...
32,038
32038
Homework Help Posted by William on Friday, January 1, 2010 at 10:23pm. For which equasion does the sum of the roots equal 3/4 and the product of the roots equal -2? (a)4x^2-8x+3=0 (b)4x^2+8x+3=0 (c)4x^2-3x-8=0 (d)4x^2+3x-2=0 • Triginometry - MathMate, Friday, January 1, 2010 at 10:53pm For the general quad...
4
[ -0.072265625, 0.040771484375, 0.033447265625, 0.020263671875, -0.07666015625, 0.0859375, 0.01153564453125, 0.06640625, 0.05224609375, -0.031494140625, 0.050537109375, -0.09814453125, 0.0400390625, 0.04541015625, -0.03369140625, 0.05615234375, 0.00390625, 0.02001953125, -0.0444335...
32,039
32039
Integration using a given substitution. February 11th 2013, 12:34 PM #1 Integration using a given substitution. Hello, I have to solve the following using the given substitution: $\int\dfrac{1}{1 + \sqrt{x - 1}} dx$ Using the substitution: $u^2 = x - 1$ Which differentiating implicitly gi...
5
[ -0.00982666015625, -0.01348876953125, 0.08642578125, 0.02294921875, -0.04541015625, -0.0654296875, -0.006256103515625, 0.0029449462890625, -0.054443359375, -0.00970458984375, 0.050537109375, -0.0458984375, -0.0771484375, 0.050537109375, -0.0751953125, -0.00897216796875, 0.02722167968...
32,040
32040
College/Highschool algebra August 23rd 2007, 08:55 AM #1 Newbie Joined Aug 2007 Posts 8 College/Highschool algebra Basically I completly forgotten how to do these stuff, first 3 is to do them and make them as simple as possible, the other two is just to solve the equations. 1) $\displaystyle \frac{x...
4
[ -0.06005859375, 0.0169677734375, -0.03271484375, 0.0322265625, -0.06689453125, 0.004180908203125, 0.006134033203125, -0.04833984375, -0.035400390625, 0.00927734375, 0.021484375, -0.09716796875, 0.017333984375, -0.024658203125, 0.059814453125, 0.140625, -0.04638671875, 0.0908203125,...
32,041
32041
Angular Beamforming Technique for MIMO Beamforming System International Journal of Antennas and Propagation Volume 2012 (2012), Article ID 638150, 10 pages http://dx.doi.org/10.1155/2012/638150 Research Article Angular Beamforming Technique for MIMO Beamforming System School of Telecommunication Engineering, Surana...
4
[ -0.01226806640625, 0.0341796875, -0.07421875, -0.040283203125, -0.0595703125, -0.032470703125, -0.055419921875, 0.0224609375, -0.0537109375, 0.0205078125, 0.0189208984375, 0.09521484375, 0.0189208984375, -0.002838134765625, -0.0003376007080078125, 0.00167083740234375, 0.05078125, 0...
32,042
32042
problem on Fourier transforms I need some help with this also: Prove that : FourierTransform[e^(-ax^2)]=(sqrt[Pi/a]) e^(-ω^2/4a) Put $<br /> f(x)=e^{-ax^2}<br />$ Differentiate: $<br /> \frac{df}{dx}=-2 a x f(x)<br />$ Now take FTs of both sides and apply the derivative rules to the forward and backwards transform: $<...
5
[ -0.0146484375, -0.008056640625, 0.07470703125, 0.0057373046875, -0.026123046875, 0.0546875, -0.0869140625, 0.003631591796875, 0.042724609375, 0.08154296875, 0.1494140625, -0.027099609375, 0.00787353515625, -0.0380859375, 0.09228515625, 0.01226806640625, -0.044921875, -0.02001953125...
32,043
32043
weibull parameter October 30th 2008, 11:21 AM #1 weibull parameter Hi All.. I wanted to know how do you make the Weibull equation below into the form y=mx+c. The solution to this has the logs taken twice.. $P_f= 1 - exp\left[-\left(\frac{\sigma}{\sigma{_0}}\right)^m\right]$ Thank you This is t...
5
[ -0.0380859375, -0.013916015625, 0.03271484375, 0.0947265625, 0.024658203125, 0.0017242431640625, 0.030517578125, 0.038818359375, 0.0439453125, -0.0289306640625, 0.08837890625, -0.06591796875, 0.08935546875, -0.0673828125, 0.0281982421875, 0.026123046875, -0.0888671875, -0.055664062...
32,044
32044
Show that sys. of eq. has no integer solutions August 6th 2012, 01:41 AM MathCrusader Show that sys. of eq. has no integer solutions I'm to show that the system of equations below has no integer solutions. $\begin{cases} 11x - 5y = 7 \: & (\text {I})\\9x + 10y = -3 \: & (\text {II}) \end{cases}$ Reduci...
4
[ -0.0888671875, 0.0006103515625, 0.04345703125, -0.0166015625, 0.1064453125, 0.017333984375, 0.125, 0.0289306640625, -0.08984375, -0.029052734375, 0.0106201171875, -0.029296875, 0.0341796875, 0.057373046875, 0.0014495849609375, -0.04736328125, -0.01483154296875, -0.05908203125, 0....
32,045
32045
vertices of a square, coordinate geometry and differentiation January 5th 2012, 10:20 PM #1 vertices of a square, coordinate geometry and differentiation The origin O and a point B(p, q) are opposite vertices of the square OABC. Find the coordinates of the point A and C A line l has gradient q/p. Find possibl...
4
[ -0.061767578125, 0.048095703125, 0.009521484375, -0.0556640625, -0.036865234375, 0.09375, -0.02392578125, 0.046142578125, 0.0306396484375, -0.01361083984375, 0.056884765625, -0.0037994384765625, 0.0308837890625, 0.061767578125, -0.0103759765625, 0.1015625, -0.07568359375, 0.0008697...
32,046
32046
Proving a result. October 9th 2010, 12:40 AM #1 Member Joined May 2008 Posts 140 Proving a result. I've come across this question and was wondering how to prove it, particularly since the book from which the question has come from assumes no knowledge of calculus. The equation of a straight line is ...
4
[ -0.05126953125, 0.051513671875, -0.06201171875, 0.08984375, -0.037841796875, 0.02001953125, -0.01153564453125, -0.017333984375, 0.049560546875, -0.046142578125, 0.0400390625, 0.0263671875, 0.014404296875, 0.058837890625, -0.0038299560546875, 0.043701171875, -0.140625, -0.0125122070...
32,047
32047
the encyclopedic entry of consistency In logic, a theory is consistent if it does not contain a contradiction. The lack of contradiction can be defined in either semantic or syntactic terms. The semantic definition states that a theory is consistent if it has a model; this is the sense used in traditional Aristotelian ...
4
[ 0.025390625, -0.06396484375, -0.05517578125, -0.0390625, -0.048095703125, -0.059814453125, -0.0179443359375, 0.0269775390625, -0.00531005859375, -0.015625, -0.01446533203125, 0.08203125, 0.10107421875, 0.050537109375, -0.009765625, -0.029541015625, -0.0103759765625, -0.00341796875,...
32,048
32048
[SOLVED] integrating How do you integrate 1) (1/30) e^(-x/30) 2) 1 - (25/x^2) Thanks!! 1) $\int \frac{1}{30}e^{-x/30} dx$ Let y = -x/30, then dy = -dx/30. $\int \frac{1}{30}e^{-x/30} dx = \frac{1}{30} \int e^y (-30dy)= -e^y + C = -e^{-x/30} + C$ 2) $\int \left ( 1 - \frac{25}{x^2} \ right ) dx = \int \, dx - \frac{1}{...
5
[ -0.030029296875, -0.00445556640625, 0.051513671875, -0.048095703125, 0.03466796875, -0.053955078125, -0.0262451171875, 0.06103515625, -0.048583984375, 0.0184326171875, 0.06640625, -0.11328125, -0.0179443359375, 0.039306640625, -0.00020122528076171875, 0.01263427734375, 0.006652832031...
32,049
32049
simple Agebra November 14th 2007, 12:17 PM #1 Newbie Joined Nov 2007 Posts 2 simple Agebra Hi, Am working my way through some algebra problems and am quite stumped in my attempt to simplfy at this point! ((9/x)= 5/(x-3)) = (x(9/x))=(x(5/(x-3)) = (9 = 5x/(x-3)) NB; x= 6+ 3/4. Hello, nn...
4
[ -0.0673828125, -0.006866455078125, 0.052490234375, -0.04541015625, -0.048095703125, 0.033203125, 0.0194091796875, -0.0269775390625, 0.004852294921875, -0.0155029296875, 0.10302734375, -0.1064453125, -0.000553131103515625, 0.0556640625, 0.01275634765625, 0.04833984375, -0.051025390625...
32,050
32050
powers and factorials January 22nd 2009, 10:52 PM thippli powers and factorials let $p, r_1 ,r_2,s_1,s_2$ be positive integers with $p>1 ; r_1 < r_2$ and $s_1<s_2$ then (1) $p^{r_1}+ p^{r_2}= p^{s_1}+ p^{s_2}$ if and only if $r_i = s_i$, $i=1,2$ . (2) $r_1r_1!+ r_2 r_2!= s_1 s_1!+ s_2s_2!$ ...
4
[ -0.0167236328125, -0.059326171875, -0.041015625, 0.00165557861328125, 0.056396484375, 0.005340576171875, 0.07177734375, 0.046875, -0.0137939453125, 0.0167236328125, -0.02490234375, 0.0218505859375, 0.06787109375, 0.007354736328125, 0.032958984375, 0.021728515625, -0.047119140625, 0...
32,051
32051
Math Help March 15th 2008, 02:20 PM #1 Newbie Joined Mar 2008 Posts 8 Algebra An electrical technician needs electrical tape and wire for his inventory. The tape costs $9 per package and the wire costs $6 per roll. Show the possible combinations of tape and wire he can purchase for less than $54. ...
4
[ -0.0057373046875, 0.064453125, -0.0224609375, -0.08544921875, -0.0458984375, 0.062255859375, 0.0068359375, 0.07666015625, -0.08740234375, 0.01373291015625, -0.01708984375, 0.0255126953125, 0.046875, 0.061767578125, 0.0634765625, 0.072265625, -0.0595703125, 0.0086669921875, -0.051...
32,052
32052
Finding the common ratio of G.P. July 8th 2012, 12:04 PM #1 Finding the common ratio of G.P. Hello, I am struggling with the following question: 'The third, fifth and seventeenth terms of an A.P. are in geometric progression. Find the common ratio of the G.P. I have done the following: Let the thir...
4
[ -0.06982421875, 0.035888671875, 0.0186767578125, -0.1064453125, -0.0458984375, -0.020263671875, -0.047607421875, -0.028076171875, -0.0133056640625, 0.00811767578125, 0.05908203125, 0.033447265625, -0.044677734375, 0.1123046875, 0.0079345703125, 0.0283203125, -0.046630859375, 0.0756...
32,053
32053
5. Harmonic Analysis Recall the Fourier series (that we met in Full Range Fourier Series): `f(t)=(a_0)/2sum_(n=1)^ooa_n\ cos\ nt+sum_(n=1)^oob_n\ sin\ nt` `=(a_0)/2+a_1\ cos\ t` ` +\ a_2\ cos\ 2t` ` +\ a_3\ cos\ 3t+... ` ` +\ b_1\ sin\ t` `+\ b_2\ sin\ 2t` ` +\ b_3\ sin\ 3t+...` We can re-arrange this series and wr...
4
[ -0.1357421875, 0.033935546875, -0.023681640625, -0.002655029296875, -0.0007171630859375, 0.10986328125, -0.054443359375, 0.017822265625, 0.01312255859375, 0.04736328125, 0.0230712890625, -0.15234375, -0.006622314453125, -0.07666015625, -0.00848388671875, 0.0166015625, -0.07958984375,...
32,054
32054
Mechanics of a ball sliding and rolling 1. The problem statement, all variables and given/known data A ball of radius r and mass m starts rolling without slipping up a ramp inclined at an angle φ to the horizontal and reaches a maximum height h. Derive an expression for the angular velocity ω that the ball has at the ...
4
[ -0.06787109375, 0.0908203125, 0.032958984375, -0.01416015625, -0.00921630859375, 0.0625, 0.00775146484375, 0.1142578125, 0.00160980224609375, 0.0751953125, 0.034423828125, 0.022216796875, 0.0216064453125, 0.0301513671875, 0.0205078125, 0.10791015625, -0.03466796875, 0.06201171875, ...
32,055
32055
On the First-Order Shape Derivative of the Kohn-Vogelius Cost Functional of the Bernoulli Problem Abstract and Applied Analysis Volume 2013 (2013), Article ID 384320, 19 pages http://dx.doi.org/10.1155/2013/384320 Research Article On the First-Order Shape Derivative of the Kohn-Vogelius Cost Functional of the Bernoul...
4
[ -0.06396484375, 0.042236328125, 0.07421875, 0.00933837890625, 0.08349609375, -0.03515625, -0.030517578125, -0.01141357421875, 0.01312255859375, -0.007354736328125, -0.07763671875, -0.0028839111328125, 0.05126953125, 0.02294921875, 0.00830078125, -0.03515625, -0.0517578125, -0.08886...
32,056
32056
Help with set theory proof March 8th 2011, 05:59 AM longhorn22 Help with set theory proof I've been given a question on my problem set which I'm a bit stuck with. I'm getting the sense that the first part is easier than the second part, but I can't even seem to get the first part! a) Let A, X, Y be sets suc...
4
[ 0.06591796875, 0.0004825592041015625, 0.00823974609375, -0.02392578125, -0.00567626953125, 0.061767578125, 0.125, -0.01611328125, -0.005706787109375, 0.0966796875, -0.004669189453125, 0.004119873046875, 0.02392578125, 0.0537109375, 0.09130859375, 0.1298828125, -0.005279541015625, -...
32,057
32057
Re: Non-deter. regular expr. -> deter. regular exp mark@omnifest.uwm.edu (Mark Hopkins) 27 Mar 1996 00:07:21 -0500 From comp.compilers | List of all ar...
5
[ -0.043701171875, -0.00933837890625, 0.0169677734375, 0.01373291015625, 0.0986328125, 0.031982421875, 0.0181884765625, -0.03466796875, -0.01495361328125, 0.007659912109375, -0.01104736328125, -0.021240234375, -0.0142822265625, 0.0791015625, 0.0303955078125, -0.0230712890625, -0.023437...
32,058
32058
Highest Common Factor using Euclidean Algorithm August 29th 2007, 02:25 PM BlueEagle Highest Common Factor using Euclidean Algorithm SOLVED, THANKS! Hi, Supposedly by remainder theorem that a=a' mod n and a+b = a'+b' mod n and possibly a.b = a' . b' mod n I need to calculate t...
4
[ 0.000240325927734375, -0.049560546875, -0.06787109375, -0.0966796875, 0.027587890625, -0.0390625, 0.0245361328125, 0.056396484375, -0.076171875, -0.007171630859375, -0.032958984375, 0.036865234375, 0.032470703125, 0.0341796875, 0.049560546875, 0.0203857421875, -0.052490234375, 0.03...
32,059
32059
probability Mr. Smith will miss work April 13th 2013, 02:54 AM #1 Junior Member Joined Jan 2012 Posts 25 Hi! Can you hep me with this? Mr. Smith can drive to work along the shortest path or bypass. He drives the shortest path in 36% cases. The probabilty he will get stuck in traffic jam o...
4
[ 0.0235595703125, 0.0164794921875, 0.01519775390625, -0.005706787109375, -0.039794921875, 0.039794921875, 0.0654296875, 0.0223388671875, -0.019287109375, 0.0021209716796875, -0.006805419921875, 0.05615234375, 0.0712890625, 0.044677734375, 0.0150146484375, 0.0478515625, 0.0537109375, ...
32,060
32060
Z-coordinate of centroid , centre of mass prob July 8th 2009, 02:23 AM Twig Z-coordinate of centroid , centre of mass prob Hi! Problem: Determine the z-coordinate of the centroid of the solid generated by revolving the quarter-circular area thorugh 90 degress about the z-axis. Solution attempt: I ...
5
[ -0.043212890625, 0.080078125, -0.031494140625, -0.060546875, -0.0286865234375, -0.0274658203125, -0.0294189453125, 0.0791015625, 0.029052734375, 0.0281982421875, 0.004974365234375, -0.0322265625, 0.005950927734375, 0.037109375, 0.011474609375, -0.0419921875, -0.0234375, 0.013854980...
32,061
32061
TEST derivative using y= lnx Hi please help deriving this question:see the image for the equation. deriv.bmp i do know that one of the rules involving natural logarithms is: y=lnx which derived is y'= 1/x . But I'mstill not sure. This is my teacher's solution:y'= -5-3x^2 / (-5-5x-x^3) y =ln(-5-5x-x^3) derivative of l...
5
[ -0.048583984375, -0.0986328125, 0.07275390625, -0.02294921875, 0.051025390625, -0.103515625, 0.0556640625, -0.08154296875, 0.01129150390625, 0.01953125, 0.095703125, 0.0031280517578125, 0.03076171875, -0.0047607421875, 0.0225830078125, 0.07666015625, -0.056396484375, 0.025512695312...
32,062
32062
An arctan integral okay the problem at first glance it's hard, but i don't want to give any hint yet, so i'll wait a couple of days and i'll post a solution. Posting in thread so I remember about it. I think it has to do with... $\frac{d}{dx}\arctan(x) = \frac{1}{1+x^2}$. Then find an expression for arctan(x)/x maybe ...
5
[ -0.048828125, -0.0242919921875, 0.126953125, 0.032958984375, 0.0791015625, -0.0859375, -0.0157470703125, 0.08154296875, -0.00830078125, 0.0308837890625, 0.01116943359375, -0.053955078125, 0.02490234375, 0.050537109375, -0.0947265625, 0.017822265625, 0.047119140625, -0.012451171875,...
32,063
32063
Homework Help Posted by -Z on Thursday, April 15, 2010 at 9:17pm. Diane has one stamp of each positive integer value 1 cent through 9 cents, inclusive. She wants to put 10 cents worth of postage in a row across the top of an envelope. If arrangements of the same stamps in different order are considered different, how ...
4
[ -0.0113525390625, -0.00408935546875, 0.050537109375, -0.045166015625, -0.029541015625, -0.0003261566162109375, 0.0283203125, 0.048828125, -0.08251953125, 0.006134033203125, -0.03369140625, 0.022705078125, 0.0283203125, 0.0029144287109375, -0.01904296875, -0.01513671875, -0.0510253906...
32,064
32064
boolean product of a matrices June 22nd 2008, 11:22 AM #1 Member Joined May 2008 Posts 109 boolean product of a matrices How do I find the boolean product of matrices? I know I need to pair up numbers with ^ and place v in between, but I don't know which numbers to pair up. For example: A= 1 0 ...
5
[ 0.01806640625, -0.03662109375, -0.140625, -0.007293701171875, -0.0400390625, 0.033935546875, 0.08251953125, -0.109375, -0.0220947265625, -0.0164794921875, -0.0281982421875, -0.031494140625, 0.08740234375, 0.06787109375, 0.0035552978515625, 0.09716796875, -0.01336669921875, -0.00424...
32,065
32065
Interesting technique to find a limit... August 24th 2010, 12:04 AM #1 Junior Member Joined Apr 2009 Posts 48 Interesting technique to find a limit... Suppose I wanted to find the limit of some sequence, given by $a_{n+1} = \sqrt{2a_n}$. Suppose also that for this particular sequence, we have $a_n \leq a...
5
[ -0.0712890625, -0.09326171875, 0.072265625, -0.006439208984375, 0.006500244140625, 0.0020904541015625, -0.1357421875, 0.026123046875, 0.0634765625, -0.00958251953125, 0.04833984375, 0.05615234375, -0.00225830078125, 0.044677734375, -0.03173828125, 0.031982421875, 0.0164794921875, 0...
32,066
32066
implicit differentiation (finding the 1st and 2nd derivative) October 22nd 2009, 02:06 PM #1 Member Joined Jun 2007 Posts 79 implicit differentiation (finding the 1st and 2nd derivative) With these, i cannot get the answer that is said from the book. 1. y^2 = e^(x^2) + 2x I already got the 1st on...
5
[ -0.0169677734375, -0.01470947265625, 0.03173828125, 0.03759765625, 0.03369140625, 0.020751953125, -0.0208740234375, -0.0031890869140625, 0.0194091796875, 0.0003681182861328125, 0.1572265625, -0.043212890625, 0.0140380859375, -0.022216796875, 0.00946044921875, 0.0216064453125, -0.0820...
32,067
32067
Probability of us shooting so well from the line last night [Archive] - Stingtalk.com - Georgia Tech Sports Message Board gth816f 03-20-2010, 08:08 PM Quick answer: 0.118 % chance of shooting 24/25 or 25/25, assuming I did this right. Long answer: Okay, this came up in the other thread: what was the probability of...
5
[ -0.0067138671875, 0.0113525390625, -0.01806640625, -0.019287109375, 0.052978515625, 0.0206298828125, 0.044677734375, 0.039306640625, 0.091796875, 0.05615234375, 0.0123291015625, -0.04248046875, 0.038330078125, -0.011474609375, 0.042236328125, -0.0064697265625, -0.057861328125, -0.0...
32,068
32068
Filtrations and Adapted Processes Filed under: Filtrations and Processes,Stochastic Calculus Notes — George Lowther @ 12:22 AM Tags: math.PR, predictable process, Stochastic Calculus In the previous post I started by introducing the concept of a stochastic process, and their modifications. It is necessary to introduc...
4
[ -0.053466796875, -0.048583984375, 0.034423828125, 0.0018157958984375, 0.08349609375, -0.024169921875, 0.09130859375, 0.05322265625, 0.037841796875, -0.0074462890625, -0.054443359375, -0.026123046875, 0.04443359375, 0.019775390625, -0.0439453125, 0.0015411376953125, 0.00677490234375, ...
32,069
32069
convertion between numeral systems November 21st 2012, 08:58 AM #1 Member Joined Nov 2012 From israel Posts 164 Thanks 2 convertion between numeral systems Hi guys. i'm new here. English isn't my first language, so you'd have to forgive me for any mistakes you might find... I couldn'...
4
[ 0.0003032684326171875, -0.0224609375, -0.10791015625, -0.0625, -0.0322265625, 0.0185546875, 0.00787353515625, 0.07421875, -0.017822265625, -0.004180908203125, -0.059814453125, -0.0281982421875, 0.07470703125, 0.01287841796875, -0.0167236328125, -0.07861328125, -0.08544921875, 0.153...
32,070
32070
Solve using de Moivre's theorem: z^3=i November 27th 2012, 07:50 PM ImConfused Solve using de Moivre's theorem: z^3=i Hi! So I have to find the solutions to the following equation using de Moivre's theorem: z^3=i Here's my attempt at solving: z^3=i z^3=0+1i r=(0^2+1^2)^1/2 r=1 arg=tan^-...
5
[ -0.10791015625, -0.007049560546875, -0.035888671875, 0.111328125, 0.010009765625, -0.11767578125, 0.044677734375, 0.014404296875, 0.080078125, -0.0020904541015625, 0.036865234375, -0.017578125, 0.00994873046875, 0.07666015625, 0.0291748046875, -0.060546875, -0.0308837890625, -0.023...
32,071
32071
Some Classes of Pseudosymmetric Contact Metric 3-Manifolds ISRN Geometry VolumeΒ 2012Β (2012), Article IDΒ 367467, 21 pages http://dx.doi.org/10.5402/2012/367467 Research Article Some Classes of Pseudosymmetric Contact Metric 3-Manifolds Department of Mathematics, University of Thessaloniki, Adendron 57007, Greece ...
4
[ -0.11328125, -0.040771484375, -0.01007080078125, -0.10791015625, -0.047119140625, 0.007568359375, -0.01385498046875, 0.018310546875, 0.053466796875, -0.01336669921875, 0.045166015625, -0.05419921875, -0.08203125, 0.025634765625, 0.054931640625, -0.05712890625, -0.047119140625, 0.02...
32,072
32072
length of the curve: where is my mistake? January 25th 2009, 01:19 PM #1 Junior Member Joined Jan 2009 Posts 71 length of the curve: where is my mistake? Ok, so let me start with the information that is given. I need to find the length of the curve. x=t^3 y=3t^2/2 0≤ t ≥ square root (3) S...
5
[ 0.0291748046875, -0.0179443359375, 0.0308837890625, -0.0172119140625, 0.0128173828125, -0.035888671875, -0.058349609375, 0.125, -0.0194091796875, -0.0196533203125, 0.039306640625, -0.03125, 0.0220947265625, 0.017333984375, -0.052734375, 0.0198974609375, -0.07763671875, 0.0004215240...
32,073
32073
nondegenerate critical points February 14th 2011, 01:50 AM #1 Newbie Joined Feb 2011 Posts 8 nondegenerate critical points $I$ is an open interval. Let $f:I\to\mathbb{R}$ be a function of class $C^1$ and $K\subset I$ compact. If all critical points of $f$ in $K$ are nondegenerate then there exists only f...
4
[ -0.00872802734375, 0.05078125, -0.03759765625, 0.032958984375, 0.03515625, 0.0810546875, 0.12890625, 0.026611328125, -0.01806640625, 0.04296875, -0.039306640625, -0.033203125, 0.0732421875, 0.011474609375, -0.00164794921875, -0.041259765625, -0.00360107421875, -0.07666015625, 0.0...
32,074
32074
Hello everyone! May 5th 2013, 12:35 PM #1 Newbie Joined May 2013 From Prague, Czech Republic Posts 8 Hello everyone! Hello, My name is Martin, I'm from Czech republic. I study at High school. Math is my favourite subject. I hope I will learn something new at this forum :-) PS: May I ask you for...
4
[ -0.06494140625, 0.05224609375, 0.035400390625, 0.0211181640625, 0.00122833251953125, 0.006561279296875, 0.00665283203125, 0.0081787109375, 0.0172119140625, -0.011474609375, 0.1181640625, -0.012451171875, 0.0286865234375, 0.005859375, -0.04833984375, -0.0033111572265625, -0.0424804687...
32,075
32075
Pairwise Balanced Design of Order ISRN Discrete Mathematics Volume 2012 (2012), Article ID 251457, 7 pages http://dx.doi.org/10.5402/2012/251457 Research Article Pairwise Balanced Design of Order and 2-Fold System of Order ^1Department of Mathematics, University of Kalyani, Kalyani 741235, India ^2Department of Mat...
5
[ -0.1435546875, 0.023681640625, -0.06591796875, -0.0966796875, -0.0184326171875, -0.0262451171875, -0.055908203125, -0.006103515625, 0.080078125, 0.058837890625, -0.03759765625, 0.064453125, 0.015380859375, 0.03857421875, 0.00439453125, 0.0260009765625, -0.02783203125, 0.04272460937...
32,076
32076
Where to take square root "positive, negative" and where to take it only "positive"?? November 3rd 2010, 06:39 AM #1 Junior Member Joined Oct 2010 Posts 34 Where to take square root "positive, negative" and where to take it only "positive"?? I wrote in my Notebook a few days ago.. cos(x)= [1-sin^(2)...
4
[ -0.027099609375, 0.051025390625, -0.05517578125, 0.09033203125, -0.038818359375, -0.059326171875, -0.05029296875, 0.015869140625, 0.05859375, 0.09228515625, 0.0732421875, 0.0218505859375, 0.054931640625, 0.115234375, 0.024658203125, -0.004974365234375, 0.018310546875, -0.0673828125...
32,077
32077
Finding the Range using f '(x) January 17th 2010, 10:04 AM rawkstar Finding the Range using f '(x) I need to find the range of f(x)=(x^2-8)/(x+3) and use f'(x) to justify my answer. I found f'(x) to be (x^2+6x+8)/(x+3)^2 and I found the critical numbers of f to be -4,-3,-2, but I don't know where to go from ...
4
[ -0.01495361328125, 0.0111083984375, -0.01190185546875, -0.0179443359375, 0.040771484375, 0.044189453125, -0.0166015625, 0.15625, 0.0172119140625, -0.004119873046875, 0.060546875, -0.04541015625, 0.0458984375, 0.0228271484375, 0.0185546875, -0.004547119140625, 0.0255126953125, -0.08...
32,078
32078
Word problem help November 20th 2012, 10:57 AM nubshat Word problem help One hundred grams of a certain chemical is removed from its airtight container and immediately placed in a 20 gram dish on a sensitive scale. The scale reads 120 grams. The chemical absorbs water from the air at a rate of 15e^-t gra...
5
[ -0.061767578125, 0.06298828125, 0.054443359375, -0.01708984375, 0.0203857421875, -0.0093994140625, 0.0289306640625, 0.07666015625, -0.035400390625, 0.048095703125, 0.0791015625, -0.043212890625, 0.009765625, 0.0966796875, -0.08349609375, -0.042724609375, 0.057861328125, -0.01135253...
32,079
32079
Test Your Foundation in Finite Elements Paul Kurowski President ACOM Consulting pkurowski@acomdesign.com FEA programs have gotten so easy to use some might think that there’s not much to learn to be effective. But after attending many FEA courses and conferences, and answering questions from people involved with the ...
5
[ -0.01318359375, 0.061767578125, -0.01806640625, 0.06103515625, 0.00823974609375, -0.0166015625, -0.048583984375, 0.0011138916015625, -0.0693359375, 0.018310546875, -0.09423828125, -0.017822265625, -0.0037841796875, -0.0380859375, -0.0400390625, -0.06689453125, -0.04248046875, -0.03...
32,080
32080
box volume/surface area December 1st 2010, 06:16 AM Joker37 box volume/surface area A box with a volume of $400 cm^{3}$has the shape of a rectangular prism. It has a fixed height of $25 cm$, a length of y cm and a width of x cm. If $A cm^{2}$ is the total surface area: a) Express A in terms of x. I don'...
4
[ 0.0257568359375, 0.0250244140625, 0.0186767578125, -0.008544921875, 0.0225830078125, -0.015869140625, 0.0615234375, 0.03564453125, 0.027587890625, 0.0242919921875, 0.032470703125, -0.037353515625, 0.0228271484375, 0.06591796875, 0.050537109375, 0.01458740234375, -0.078125, 0.024047...
32,081
32081
Can someone explain how this makes 2nd order diff. makes sense June 15th 2008, 05:53 AM Bryn Can someone explain how this makes 2nd order diff. makes sense Just reading through a proof which states that: dy/dt=(-2x^-3)(dx/dt) Then it states that: d2y/dt2= (-2x^-3)(d2x/dt2)+(6x^-4)(dx/dt)^2 I ...
5
[ -0.087890625, -0.037109375, 0.0947265625, 0.016357421875, 0.0260009765625, -0.0439453125, -0.05517578125, -0.046142578125, 0.0849609375, 0.061279296875, 0.1064453125, 0.06591796875, 0.05419921875, -0.0281982421875, 0.029052734375, 0.03173828125, -0.08349609375, 0.072265625, -0.08...
32,082
32082
Quick Question on Probability and Normal Distribution tables April 21st 2008, 11:17 AM #1 Newbie Joined Oct 2007 Posts 18 Quick Question on Probability and Normal Distribution tables When a question is of the form 'what is the probability that a project will take "at least" (suppose) 23 days', how do you...
4
[ 0.0279541015625, 0.10107421875, 0.011962890625, -0.01458740234375, 0.006744384765625, -0.000957489013671875, 0.0036773681640625, 0.06884765625, -0.0262451171875, 0.055908203125, 0.06689453125, -0.0810546875, 0.12353515625, 0.01092529296875, 0.0238037109375, -0.06298828125, -0.0120239...
32,083
32083
Assessment Help May 31st 2005, 11:04 PM xgunwingx Assessment Help so far, g'(t) = 95e^-0.25t * [1+19e^-0.25t]^-2 where g'(t) is the growth rate formula the thing i have to do is find the mean height of the tree's and how many years that i expect the process would occur. mean = 2.821 Integrate...
5
[ -0.034912109375, 0.04052734375, 0.09521484375, -0.005340576171875, 0.01458740234375, -0.06640625, -0.0478515625, 0.1513671875, -0.058837890625, 0.08642578125, 0.03515625, -0.09375, 0.06005859375, -0.0206298828125, -0.0859375, 0.0216064453125, -0.09619140625, -0.0264892578125, -0....
32,084
32084
A truck covers 80 m in 17 s while smoothly slowing October 18th 2010, 07:37 AM #1 Senior Member Joined Oct 2009 Posts 290 A truck covers 80 m in 17 s while smoothly slowing A truck covers 80 m in 17 s while smoothly slowing down to a final speed of 5.6 m/s a ) find its original speed b) Final its...
4
[ -0.0155029296875, 0.09326171875, 0.0458984375, -0.03125, 0.0703125, -0.037353515625, -0.05126953125, -0.005126953125, -0.07470703125, 0.07080078125, 0.09423828125, -0.0341796875, 0.037109375, 0.017822265625, -0.07666015625, 0.0291748046875, -0.010009765625, 0.046875, -0.120117187...
32,085
32085
NewtonRaphson java code help 1. Join Date Jun 2013 Posts 1 Rep Power 0 import java.util.Scanner; import javax.swing.JOptionPane; import java.text.DecimalFormat; public class NewtonRaphsonMethod { public static void main(String[] arg...
4
[ 0.007537841796875, 0.051513671875, -0.0712890625, 0.0177001953125, -0.09814453125, 0.012451171875, 0.011962890625, 0.109375, -0.040771484375, -0.014404296875, -0.0024261474609375, -0.09521484375, 0.04736328125, 0.0299072265625, 0.052490234375, -0.0228271484375, -0.0791015625, -0.03...
32,086
32086
Math Help October 4th 2007, 01:02 PM #1 Senior Member Joined Jul 2006 From Shabu City Posts 381 work: A tank in the form of an inverted right circular cone is 8m across the top and 10m deep. If the tank is filled to a height of 9m with water, find the work done in pumping the water to the top of ...
5
[ -0.064453125, 0.0673828125, 0.0186767578125, -0.0322265625, 0.016845703125, -0.06298828125, -0.03955078125, 0.10107421875, -0.042724609375, -0.0155029296875, -0.0189208984375, 0.0498046875, 0.022216796875, 0.10009765625, -0.06201171875, 0.0400390625, -0.060791015625, -0.00897216796...
32,087
32087
Trigonometry converting degrees March 29th 2010, 12:43 PM #1 Newbie Joined Mar 2010 Posts 11 Trigonometry converting degrees Hi guys, Thanks for all help in advance. A question requires me to find t in seconds. h = 13 m 13 = -10 cos (πt/15) + 11. 13-11/-10 = cos (πt/15) cos^-1(1/...
4
[ -0.080078125, 0.10546875, -0.048095703125, -0.0167236328125, -0.0255126953125, 0.01171875, -0.05859375, 0.064453125, 0.04638671875, -0.039794921875, 0.130859375, -0.048828125, 0.005828857421875, 0.0196533203125, 0.01068115234375, -0.06787109375, 0.0026702880859375, 0.04345703125, ...
32,088
32088
Laminar Mixed Convection in the Entrance Region of Horizontal and Inclined Semicircular Ducts Advances in Mechanical Engineering Volume 2013 (2013), Article ID 476537, 11 pages http://dx.doi.org/10.1155/2013/476537 Research Article Laminar Mixed Convection in the Entrance Region of Horizontal and Inclined Semicircula...
4
[ 0.036376953125, 0.004852294921875, 0.0084228515625, -0.0135498046875, -0.054443359375, -0.000640869140625, -0.0751953125, -0.05712890625, 0.0033721923828125, 0.050048828125, -0.037109375, -0.041015625, 0.12109375, -0.041259765625, 0.10546875, -0.0225830078125, -0.025390625, 0.00683...
32,089
32089
Avoiding FP errors 4-9 MINIMIZING FLOATING-POINT ERRORS ************************************* A few remarks ------------- o Some practical methods for checking the severity of floating-point errors can be found in the chapter: 'practical issues'. o The chapter on 'FORTRAN pitfalls' discusses various pr...
5
[ -0.0172119140625, 0.07763671875, -0.00714111328125, 0.008544921875, -0.03759765625, -0.06591796875, -0.064453125, 0.07666015625, -0.056640625, -0.060791015625, -0.0322265625, -0.05126953125, 0.038818359375, -0.01116943359375, -0.045654296875, -0.080078125, -0.03515625, 0.1118164062...
32,090
32090
Resistors, Volt and Current In this article we will study the most basic component in electronics, the resistor and its interaction with the voltage difference across it and the electric current passing through it. You will learn how to analyse simple resistor networks using nodal analysis rules. This article also sho...
4
[ -0.08544921875, 0.04638671875, 0.045654296875, -0.0069580078125, 0.0267333984375, 0.00102996826171875, -0.04833984375, 0.02001953125, 0.0712890625, 0.0196533203125, -0.0118408203125, -0.06689453125, 0.09228515625, 0.03564453125, -0.0250244140625, -0.07763671875, -0.045654296875, 0....
32,091
32091
the encyclopedic entry of tessellation A tessellation or tiling of the plane is a collection of plane figures that fills the plane with no overlaps and no gaps. One may also speak of tessellations of the parts of the plane or of other surfaces. Generalizations to higher dimensions are also possible. Tessellatio...
4
[ 0.01348876953125, -0.01068115234375, -0.0120849609375, -0.06591796875, -0.126953125, -0.00811767578125, -0.043212890625, -0.07177734375, 0.039306640625, 0.041015625, -0.01611328125, 0.013916015625, 0.037353515625, 0.058349609375, -0.0234375, -0.029052734375, -0.0145263671875, 0.041...
32,092
32092
Fundamentals Of Electric Circuits Alexander Sadiku Chapter 17 Solution Manual PROPRIETARY MATERIAL . © 2007 The McGraw-Hill Companies, Inc. All rights reserved. No partof this Manual may be displayed, reproduced or distributed in any form or by any means, without the prior written permission of the publisher, or used ...
5
[ -0.1455078125, 0.10595703125, 0.00848388671875, -0.00384521484375, 0.0194091796875, 0.0498046875, 0.0196533203125, 0.006988525390625, 0.00147247314453125, 0.015625, 0.09765625, -0.06640625, 0.01507568359375, 0.0240478515625, 0.076171875, -0.0245361328125, -0.142578125, 0.0023956298...
32,093
32093
At what rate is revenue rising or falling. November 29th 2009, 12:46 PM colinn At what rate is revenue rising or falling. Problem: "For the past few months, OHaganBooks.com has seen its weekly sales increase. At the moment OHaganBooks.com is selling 1000 books per week and its sales are rising at a rate of ...
5
[ -0.03271484375, 0.0289306640625, -0.0308837890625, -0.05224609375, -0.07763671875, 0.0218505859375, -0.05517578125, 0.05712890625, -0.0057373046875, 0.046142578125, 0.005157470703125, 0.027099609375, 0.00191497802734375, 0.0179443359375, 0.00604248046875, -0.00897216796875, -0.075683...
32,094
32094
Confusign probability May 21st 2006, 06:15 AM jacs Confusign probability A marksman finds that on average he hits the target 9 times out of every 10 and scores a bull's eye on the average once every 5 rounds. He fires 4 rounds. What is the probability that: He scores at least 2 bull's eyes and he has hit th...
5
[ 0.1181640625, -0.0299072265625, 0.0303955078125, 0.01226806640625, 0.0283203125, 0.0025634765625, 0.053466796875, 0.11181640625, -0.0299072265625, 0.03662109375, -0.04052734375, -0.058349609375, 0.0654296875, 0.0390625, 0.0123291015625, 0.059814453125, -0.0177001953125, -0.04907226...
32,095
32095
Question on skew lines December 13th 2010, 02:37 PM s3a Question on skew lines The question is attached (#1, parts a and b). I have no idea how to do part b and as for part a. I don't remember what I did but when I try to think about the problem: I see that to find that the lines do not intersect I need to f...
4
[ -0.103515625, -0.003509521484375, -0.078125, -0.0830078125, -0.0010223388671875, 0.01324462890625, -0.029296875, -0.013427734375, -0.01409912109375, -0.0084228515625, 0.0634765625, -0.0201416015625, -0.01116943359375, -0.030029296875, -0.05859375, -0.003509521484375, -0.1142578125, ...
32,096
32096
algebra word problem January 14th 2008, 09:37 PM #1 Member Joined Jul 2006 Posts 90 algebra word problem A person takes 2 medications throughout the day and night. One medication is to be taken every 6 hours and the other is to be taken every 4 hours. If the person begins taking both medications at 7...
4
[ 0.09228515625, -0.0152587890625, 0.00909423828125, -0.037353515625, -0.039794921875, 0.044921875, -0.007293701171875, 0.08349609375, -0.0023040771484375, -0.03564453125, -0.0478515625, 0.07666015625, 0.060302734375, 0.0213623046875, -0.0294189453125, 0.006683349609375, -0.07275390625...
32,097
32097
Find the Indicated Integrals June 19th 2008, 08:19 AM #1 Junior Member Joined May 2008 Posts 50 Find the Indicated Integrals I'm supposed to find several indefinite integrals, but I am not sure exactly how to do each, especially as they involve natural logs and trigonmetric functions. The three are:...
5
[ 0.04638671875, -0.0302734375, 0.051513671875, -0.09765625, 0.053466796875, -0.0537109375, -0.01239013671875, 0.0291748046875, -0.01806640625, 0.052978515625, 0.040771484375, -0.0027923583984375, -0.04541015625, 0.051025390625, -0.03076171875, 0.10595703125, 0.0040283203125, 0.02197...
32,098
32098
Please check this integral September 21st 2013, 04:46 PM #1 Junior Member Joined Nov 2010 From Colorado Posts 42 Thanks 2 Please check this integral $\int \frac{^3\sqrt(x)}{^3\sqrt(x)-1}$ I let $u=^3\sqrt(x)-1$ $u+1=^3\sqrt(x)$ $\int\frac{u+1}{u}du$ $\int (1 + \frac{1}{u})du$ ...
5
[ 0.00933837890625, -0.0576171875, -0.004302978515625, 0.038818359375, -0.007476806640625, -0.06787109375, -0.06787109375, -0.031982421875, -0.0233154296875, -0.041259765625, 0.0257568359375, 0.00457763671875, 0.0120849609375, 0.044921875, -0.05224609375, 0.0186767578125, -0.0220947265...
32,099
32099