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Approximation and error October 9th 2011, 02:50 AM #1 Junior Member Joined Apr 2010 Posts 26 Approximation and error f(x)= x^2 -2x +3 a tangent at x=2 is y=2x=1 The tangent line is used to approximate values of f(x). A satisfactory approximation occurs if the resulting error is at most 0.4 ...
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Common Core Standards : CCSS.Math.Content.HSG-CO.B.7 Common Core Standards: Math Math.CCSS.Math.Content.HSG-CO.B.7 7. Use the definitions of congruence in terms of rigid motions to show that two triangles are congruent if and only if corresponding pairs of sides and corresponding pairs of angles are congruent. Stude...
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Number system Problem July 16th 2012, 11:02 PM #1 Newbie Joined Jul 2012 From Delhi Posts 12 Number system Problem If N= 144 How many sets of two values (a,b) are there for which the LCM (a,b) is 144 ?? What the general formula for this (with proof) ?? Re: Number system Problem Note that $...
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Homework Help Posted by Nora on Tuesday, December 27, 2011 at 3:37am. One side of the rectangle lies along the line 4x+7y+5=0 , two of its vertices are (-3,1)and (1,1). find (i) the equations of the other three sides. (ii) the angle between the two diagonals of the rectangle . (iii) the area of the rectangle. • ...
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Maximum area of an area within y=x^2 July 17th 2009, 02:36 PM #1 Newbie Joined Jul 2009 Posts 1 Maximum area of an area within y=x^2 I've got this problem that I'm trying to solve, I've been twisting my brain for several hours now. An area 'A' is limited by the curve y=x^2, the x-axel and the line ...
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General Solution Eigenvale November 3rd 2007, 01:34 PM #1 Member Joined Sep 2007 From Calgary, Alberta Posts 77 General Solution Eigenvale I'm reading my textbook, in the Diagonalization and Eigenvalues section, and am wondering how they get this... "λI-A = $\left(\begin{array}{ccc} -5 & -5\\ -1...
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MacLaurin series/Ratio test. May 19th 2012, 02:03 AM #1 Newbie Joined Apr 2012 From Bath Posts 9 Thanks 1 For f(x) = loge(1-x) Clarification: The question isn’t loge(1+x), it’s loge(1-x) a) Find the MacLaurin series: f(0) +f'(0)x + f''(0)/2! + f'''(0)/3!....etc My question is, to wha...
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speed - distance catching up February 5th 2008, 02:13 AM #1 speed - distance catching up A speeding motorbike travels past a stationary police car. The police car starts accelerating immediately, and keeps accelerating until it has passed the bike. DATA: motorbike speed: $35ms^{-1}$; police car acceleration:...
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Math Help April 17th 2007, 10:28 AM #1 Newbie Joined Feb 2007 Posts 23 Indices 1.) Find all the solutions of 4^(x) = 13 (mod 17) using indices. Then, let m be a pos. integer w/ a primitive root r. Also, let a be a pos. integer w/ gcd(a,m) = 1. Through 2.) and 3.), you'll investigate the relationshi...
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st The laws of nature state if you want something you have to pay for it. In a pump, liquid horsepower is inputted and converted to velocity energy by the impeller, then converted to pressure energy in the diffuser section of the volute case to push liquid through the piping to the sprinkler or holding tank or cooling ...
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Algebra modulus problem September 17th 2012, 12:06 PM #1 Newbie Joined Sep 2012 From Edinburgh Posts 2 Algebra modulus problem I am having problems with the following : Z +|Z|^2 = 10-2i (the solution must be in the form a+bi) I have gotten to : a +bi + a^2 +b^2 = 10 -2i and cannot...
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Finding the slope/equation of the tangent line December 10th 2006, 11:02 AM #1 Newbie Joined Nov 2006 Posts 13 Finding the slope/equation of the tangent line No clue how to do these, missed class(sick ughhhh) and I'm trying to catch up on the example problems since we have a test in a couple weeks. If I ...
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Abelian Factor Group November 29th 2007, 09:17 PM #1 Newbie Joined Nov 2007 Posts 10 Abelian Factor Group Question: Let G be a group and N be a normal subgroup of G. Show that the factor group G/N is abelian iff aba^-1b^-1 is in N for all a,b in G. If G/N is abelian then Na*Nb = Nb * Na and Naa^-1bb...
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Homework Help Posted by MAKITA on Friday, April 10, 2009 at 11:57pm. 1.)Find the exact solution algebriacally, if possible: (PLEASE SHOW ALL STEPS) sin 2x - sin x = 0 2.) GIVEN: sin u = 3/5, 0 < u < ï/2 Find the exact values of: sin 2u, cos 2u and tan 2u using the double-angle formulas. 3.)Use the half-angle for...
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Math-Algebra 1 Posted by Gabby on Saturday, November 23, 2013 at 2:28pm. Part 1: When writing linear equations, how do you determine which form of a line to use? Part 2: Choose 1 set of points from the choices below. Then, solve the problem and post your solution, showing your steps. Write an equation in point-slope...
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Studying for final and need help with Related Rates December 18th 2007, 09:34 AM #1 Studying for final and need help with Related Rates I hate word problems and I pretty much suck when it comes to them. Here's one that I got stuck at. 1) A man starts walking north at 4ft/s from a point P. Five minutes later ...
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Simulated Annealing in Julia Building Optimization Functions for Julia In hopes of adding enough statistical functionality to Julia to make it usable for my day-to-day modeling projects, I’ve written a very basic implementation of the simulated annealing (SA) algorithm, which I’ve placed in the same JuliaVsR GitHub re...
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Probability Assignment: Help please! February 3rd 2010, 06:18 PM MathGuy1 Probability Assignment: Help please! Hi all, I'm working on a math assignment for a class, and am stuck on a question. It reads: Suppose an experiment has independent events A, B, and C such that: P(A | C) = 0.4 P(B | C) =...
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Math Help Solve for I made it into log2x9/2=-3 2-3=x9/2 .125x-4.5=x -0.5625=x but I don't think it's right $\frac{9}{2} \log_2{x} = -3$ $\log_2{x} = -\frac{2}{3}$ $x = 2^{-\frac{2}{3}} = \frac{1}{\sqrt[3]{4}}$ Skeeter's method, dividing both sides by 9/2 first, is simpler than yours but it can be done your way: $\fr...
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Latin American applied research Serviços Personalizados Artigo Indicadores Links relacionados Bookmark versão On-line ISSN 1851-8796 Lat. Am. appl. res. vol.40 no.2 Bahía Blanca abr. 2010   ...
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NovoSPT User's Manual - Bearing Capacity - Theory Meyerhof, 1976 (based on 25mm settlement) The allowable bearing capacity based on the SPT test according to Meyerhof is: qa=N[60].Kd/F1 Bآ£F4 ...
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Fuzzy unification parser in Haskell Synopsis This is a short paper on building a scanner/parser for a fuzzy logic domain-specific language (DSL). The system takes as input a file containing an ordered set of fuzzy statements and outputs the equivalent Prolog program. We first briefly and informally introduce the topic...
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Proof of the Associative Law of Symetric Difference September 3rd 2012, 07:03 PM #1 Newbie Joined Sep 2012 From oxford,ms Posts 3 Proof of the Associative Law of Symetric Difference Hi there, I have to prove using Element Chasing that (A delta B) delta C = A delta ( B delta C) I have the Venn...
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Mathematics regarding infinite series, hypergeometric function, gamma function, pi formula, universal constants by Cetin Hakimoglu-Brown New Work: The stock market equilibrium equation (for evenly distributed volume) is an attempt to develop a mathematical framework for describing how stocks trade by converting ch...
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How to solve for a variable in a quadratic function with 2 variables? October 23rd 2011, 03:49 PM #1 Member Joined Oct 2011 Posts 153 How to solve for a variable in a quadratic function with 2 variables? The problem is f(x)=x^2+3bx-b^2+1 I'm suppose to get the value of 'b' What I started off was...
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Combinatorics Calculator Combinations Calculator This calculator determines the number of ways to select y out of x items when the order in which they are selected does not matter. Variable Description Value x Total number of items y Number of items chosen ...
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Complex numbers: Equation containing power and conjugate September 11th 2012, 02:41 AM #1 Newbie Joined Sep 2012 From Greece Posts 16 Complex numbers: Equation containing power and conjugate I am asked to solve $z^3 + conjugate(z) = 0$ I have already attempted to solve it by replacing z with x + ...
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lines an equations January 14th 2006, 09:08 AM #1 ok another question... i need to find out an equation of a line that contains the point (-2,5) and is parallel to the line y=4x-3 if someone could pls tell me how to go about this it would be very helpful cuz as usual im stuck! If the equation of a l...
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Joint Uniform Distrubtion of 3 variables problem January 6th 2011, 01:43 PM #1 Junior Member Joined Aug 2010 Posts 53 Joint Uniform Distrubtion of 3 variables problem Hi all, I am working through a problem but I cant seem to see the method... the answer is in the back of the text book but no method!...
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the encyclopedic entry of gauss In physics, Gauss's law, also known as Gauss's flux theorem, is a law relating the distribution of electric charge to the resulting electric field. It is one of the four Maxwell's equations, which form the basis of classical electrodynamics, and is also closely related to Coulomb's law. ...
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Trigonometric equations and their solutions August 16th 2010, 11:25 AM #1 Newbie Joined Aug 2010 Posts 23 Trigonometric equations and their solutions π=pi - format looks like an n =/ sinx=1/2 x=π/6 and x=π-π/6=5π/6 x=π/6+2nπor x=5π/6+2nπ now the next problem does: sinx=-1/2 ...
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Showing a subset does not form a subgroup (explaination wanted) October 10th 2009, 08:57 AM #1 Showing a subset does not form a subgroup (explaination wanted) If not sure how to show that a subset does not form a subgroup. Here is the example: Let $G=GL_2(<b>R</b>)$. Show that the subset S of G defined by ...
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Percentage help August 7th 2009, 09:38 PM #1 Newbie Joined Aug 2009 Posts 2 Percentage help In a certain town, three newspapers are published. 20% read A, 16% percent read B, 14% read C. 8% read both A and B, 5% of the read both A and C, 4% read both B and C and 2% read all 3 newspapers. What pe...
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Trig Word Problem, Need Help November 18th 2008, 01:54 PM Vivin Spinach Trig Word Problem, Need Help Two spotlights, one blue and the other white, are placed 6.0m apart on a track on the ceiling of a ballroom. A stationary observer standing on the ballroom floor notices that the angle of elevation is 45 degr...
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Find the derivative February 5th 2009, 07:23 PM TastyBeverage Find the derivative Darn professors....wish mine explained things... How do I find f`(a) for $f(x) = (3x +1)^{1/2}$ Thats the square root of 3x+1, double thanks to someone who shows me how to put that in there. I have only seen f(x) - f...
5
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Prime factors November 27th 2010, 02:53 AM Glyper Prime factors There are given different odd prime numbers $p$ and $q$. Prove that number $2^{pq} -1$ has at least 3 different prime factors. From what I found in an algebra book: $a^n\,-\,b^n \;=\;(a\,-\,b)\,(a^{n-1}\,+\,a^{n-2}b\,+\,a^{n-3}b^2\,+\,\cdot...
5
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Forming a Cubic Equation from Roots September 13th 2010, 01:38 PM #1 Forming a Cubic Equation from Roots Stuck on a further pure question, asked one of my maths teachers today but she hadn't done most of the paper in 20 years. Here's the question: Given that the roots of the cubic equation $x^3+4x^2+3...
4
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Basic u substitution help August 10th 2009, 04:10 AM #1 Basic u substitution help Hello, I need to evaluate $\int_{0}^{1}x^{16}\times e^{x^{8.5}}$ So i figured i let $\left \{\begin{array}{rcll}u = x^{8.5} & \\<br /> \text{then}~u^2 = x^{17} & \\<br /> du^2 = 17x^{16}\end{array} \right.$ $\frac{1}{...
5
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Homework Help Posted by sarah on Sunday, June 14, 2009 at 1:40pm. a pile drive has a 413 kg block that is lifted 1.4m and then dropped onto the pile being driven into the ground. suppose that it takes 24ms to stop when it hits the pile. what is the average force exerted on the pile by the pile driver? • physics - d...
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Square number April 8th 2012, 07:14 AM #4 Super Member April 8th 2012, 05:39 AM #3 Member April 8th 2012, 05:24 AM #2 April 8th 2012, 05:05 AM #1 Member Re: Square number Hello, Mhmh96 You may have missed the point of Sylvia's hint . . . Look at what we have:$(123456)^2 + 123456 + 123457$ . . $=\;(...
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Prove that f is injective December 4th 2012, 07:25 AM #1 Junior Member Joined Nov 2012 From Poland Posts 40 Prove that f is injective Hello, I need to prove that function defined like this $f:X->Y$ for any two given sets X,Y is one-to-one if and only if $f(A \cap B)= f(A) \cap f(B)$, where $A,B \...
5
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Analytical Geometry June 20th 2006, 10:56 AM #1 Newbie Joined Jun 2006 Posts 10 Analytical Geometry Hey guys. I need lots of help. I need to find out how to do these questions: Answers (showing your work, like how to get the answer) would be really great. I'm really stuck with this stuff. And its...
4
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the encyclopedic entry of duplation Ancient Egyptian multiplication is a systematic method for multiplying two numbers that does not require the multiplication table , only the ability to multiply and divide by 2 , and to add . Also known as Egyptian multiplication and Peasant multiplication , it decomposes ...
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0041-6932 0041-6932 S0041-69322008000200010 Argentina 00 12 2008 00 12 2008 49 2 97 110 Hypergeometric functions and binomials Alicia Dickenstein Abstract. We highlight the role of primary decomposition of binomial ideals in a commutative polynomial ring, in the description of the holonomicity, the holonomic rank, an...
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5 Sigma: Writeup For Festivaletteratura On Friday evening I will be talking in the wonderful Piazza Mantegna, in downtown Mantova (see picture below). It is an event organized by Festivaletteratura (literature festival), where I will be armed with blackboard and chalks, plus a mike, and where I will explain the way a d...
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Heat Equation PDE February 14th 2011, 04:04 PM #1 Newbie Joined Jan 2010 Posts 5 Heat Equation PDE Show that if $u(x,t)$ is a solution of $u_{t}=u_{xx}$, then so is $v(x,t)=t^{\frac{-1}{2}} e^{\frac{-x^{2}}{4t}}u(\frac{x}{t},-\frac{1}{t})$ I'm assuming that I should simply show $v_{t}=v_{xx}$ ho...
4
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Quick Calc Question Posted by Michael on Sunday, November 4, 2007 at 4:18pm. I can't remember how to integrate ye^ey with respect to y. Is it (y^2)e^xy? or do i need to do integration by parts? i just cant remember. • Quick Calc Question - Michael, Sunday, November 4, 2007 at 4:24pm oops, that was supposed to ...
5
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[SOLVED] How to find using integration, the area of a circular sector with an angle,x Equation of the circle is x^2 + y^2 = r^2 and the sector's angle = x you're mixing variables ... $x^2+y^2=r^2$ is a circle of radius $r$ centered at the origin. x represents the x-coordinate of any point on the circle, so it cannot r...
5
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inside-R lu {Matrix} (Generalized) Triangular Decomposition of a Matrix Description Computes (generalized) triangular decompositions of square (sparse or dense) and non-square dense matrices. Usage lu(x, ...) ## S4 method for class 'matrix': lu((x, warnSing = TRUE, ...)) ## S4 method for class 'dgeMatrix': lu((...
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Principal curvatures of a surface June 28th 2009, 12:04 AM Kiwi_Dave Principal curvatures of a surface Find the equations of the principal curvatures of the surface: x=u, y=v, z=f(x,y) I can see a method to do this but it looks like it will be algebraically difficult if not impossible. Can you suggest...
4
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3 Physics Questions November 18th 2007, 10:34 AM #1 Newbie Joined Nov 2007 Posts 7 3 Physics Questions 1. You want to launch a satellite into a circular orbit at an altitude of 16,000 km (above Earth's surface). What launch speed will be required? A: 1.0 x 10^4 m/s 2. In a joint international e...
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What is complex slope of a line in complex numbers February 7th 2009, 06:46 AM #1 What is complex slope of a line in complex numbers If equation of a line in complex plane is given by $<br /> \bar az+a\bar z+b=0<br />$ where $a$ is a complex constant and $b$ is a real number Then complex slope of the ...
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Homework Help Posted by gf on Wednesday, November 7, 2007 at 12:01am. Please help me with these problems. Work and answer is appreciated! :) thanks. 1. Find on the interval theta is greater than or equal to 0 and less than 2pi; then find the general solution: 5tantheta+1=-2.89 16cos^2theta-6=3 6sin^2theta+sintheta...
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Need help with Trivial/Non trivial solution April 5th 2010, 03:06 PM supersaiyan Need help with Trivial/Non trivial solution http://i43.tinypic.com/s1n3fl.jpg The questions asks for what value of Z does your set of equations have a non trivial solution? I am not even sure how to begin.. any hints? April...
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Copper Wire April 25th 2010, 07:28 PM BrendanLoftus Copper Wire How many feet of copper wire 1/8 inches in diameter can be made from 1 cu. ft. of copper? given; pi=3.14; 1 cu. ft.= 7.5 gallons; 1 gal= 231 cu. inches I figured 1 cu. ft.=1732.5 cu.in. Any help would be greatly appreciated. April 2...
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Statistics Class: How I Will Calculate Your Probability of Winning the Exploits Giveaway Statistics and Probability is a fundamental knowledge that should be inside each Software Engineer, and here I will show you some of its wonders. Some of you are already saying “hi” and posting pictures to boost your possibility t...
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Radioactive Logarithim October 5th 2012, 11:50 PM #1 Newbie Joined Oct 2012 From Melbourne Posts 2 Radioactive Logarithim Hey guys, just found this forum after searching for days about this problem I've got. No where seems to have any relevant answers so I thought I might ask a forum for some help. ...
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Homework Help Posted by Anonymous on Wednesday, December 7, 2011 at 10:58am. perform the indicated operation and if possible simplify. (2x+4y)/(2x^2+5xy+2y^2)*(4x^2-y^2)/(8x^2-8)÷(x^2+4xy+4y^2)/(x^2-6xy+9y^2) i dont understand this the answer is (2x-y)(x-3y)^2/4(x-1)(x+1)(x+2y)^2 • Urgent math - Reiny, Wednesday, ...
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Permutations help me please July 12th 2008, 12:40 AM #1 Permutations help me please Hi i need urgent help please , i don't know where this topic belongs on this forum since it seems kinda miscellaneous. Sorry to ask so much for a 1st post. Q1) A car registration consists of 3 letters following by a number be...
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Help with algebra equations June 16th 2008, 12:12 PM gram1210 Help with algebra equations Hi, I'm having trouble doing two equations. I have no idea where to start on (or how to go about doing) the 1st one, and the 2nd - well I've endlessly tried many different ways, however it always ends up coming out wron...
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the encyclopedic entry of Exponential_sum In mathematics , an exponential sum may be a finite Fourier series (i.e. a trigonometric polynomial ), or other finite sum formed using the exponential function , usually expressed by means of the function $e\left(x\right) = exp\left(2pi ix\right)$. Therefore a ...
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Math Help December 2nd 2008, 04:13 AM #1 Newbie Joined Oct 2008 Posts 20 Maxima/Minima A can of beans has internal radius r and height h. Given that Surface area is S = 2 pi r ( r + h ) and this is equal to 120 pi. Determine r and h such that the volume of beans in the can is a maximum. Hello, ...
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Fluid Mechanic Integration July 19th 2010, 06:24 AM #1 Newbie Joined Feb 2010 Posts 24 Fluid Mechanic Integration I have a fluid mechanics question, i don't know which equation i should integrate and how? For turbulent flow in a smooth, circular tube with a radius R, the velocity profile varies acco...
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Wilson's theorem May 16th 2012, 03:44 PM #1 Member Joined Apr 2008 Posts 137 Thanks 4 Wilson's theorem Hi, Would the following constitute a proof of "if n is compositie then (n-1!)=0 mod n" We can use the chinese remainder theorem to find $(n-1) mod n.$ Suppose that $n = p_{1}^{a1}, p_...
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Different way to express this set February 18th 2011, 04:15 PM #1 Member Joined Feb 2011 Posts 83 Thanks 2 Different way to express this set The set is (A union B) intersect C. I was wondering if there was another way to write this that is not (A intersect C) union (B intersect C) I wa...
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Curvature of implicit equation January 4th 2013, 08:56 AM PStudent175 Curvature of implicit equation Hi, I need to find the curvature k of y=sqrt(R^2 - x^2) I know k = |f''| / (1 + f' ^2) ^1.5 But I think I have gone somewhere with my differentiation as I didn't end up with k = 1/R which is the an...
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Risk attitudes and informal employment in a developing economy Abstract We model an urban labour market in a developing economy, incorporating workers’ risk attitudes. Trade-offs between risk aversion and ability determine worker allocation across formal and informal wage employment, and voluntary and involuntary self...
4
[ 0.041748046875, 0.045654296875, -0.0283203125, 0.027099609375, 0.05322265625, 0.060791015625, 0.032470703125, -0.0012969970703125, -0.04345703125, -0.00311279296875, 0.09765625, -0.0654296875, -0.04443359375, 0.0194091796875, -0.02783203125, -0.0478515625, 0.03173828125, -0.0373535...
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Cauchy's integral formula April 15th 2010, 01:01 AM #1 Cauchy's integral formula $\int_{C}\frac{f(z)}{z-z0}dz = 2\pi.i.f(z0)$ Im using cauchy's integral formula, see above to solve the following integral $\int_{C}\frac{z}{z^{2}-1}dz$ where $C$ is a circle of radius 4 centred at 0. I have deduced th...
5
[ -0.04541015625, 0.0458984375, -0.0147705078125, 0.03466796875, 0.0478515625, -0.01611328125, -0.040283203125, 0.09814453125, -0.0194091796875, 0.057373046875, 0.02099609375, -0.052978515625, 0.038330078125, 0.07666015625, -0.07421875, -0.0478515625, 0.0089111328125, -0.0615234375, ...
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stuck on a calculus problem from online homework(logarithmic differentiation) June 29th 2010, 07:20 PM #1 Newbie Joined Jun 2010 Posts 4 stuck on a calculus problem from online homework(logarithmic differentiation) I just registered and am excited to join the community. My problem is: . I feel like I am...
5
[ 0.01092529296875, -0.0986328125, 0.11962890625, 0.04541015625, 0.007110595703125, -0.06640625, -0.01275634765625, -0.011474609375, 0.03271484375, 0.0235595703125, 0.048583984375, -0.03466796875, -0.0223388671875, 0.1171875, -0.07177734375, 0.10546875, -0.002410888671875, -0.0703125...
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Homework Help Posted by sara on Sunday, February 19, 2012 at 9:31pm. find lim x->0 3- sqrt x+9/-x • calculus - MathMate, Sunday, February 19, 2012 at 10:26pm In general, when there is a sum or difference of square-root terms, multiplying both numerator and denominator by the conjugate is a good strategy. ...
5
[ -0.0625, 0.00180816650390625, 0.040283203125, -0.0147705078125, 0.0263671875, 0.054443359375, -0.0281982421875, -0.031982421875, 0.036376953125, -0.0927734375, 0.09326171875, -0.057373046875, -0.0137939453125, 0.0673828125, 0.00156402587890625, -0.0133056640625, -0.04833984375, 0.0...
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anhilators of vector spaces. October 13th 2011, 03:58 PM Jame anhilators of vector spaces. I am trying to prove that $Ann(W_1+W_2)= Ann(W_1) \cap Ann (W_2)$ I have managed to prove one inclusion $Ann(W_1) \cap Ann (W_2) \subset Ann(W_1+W_2)$ The fact that any function in these spaces is a lin...
5
[ -0.00799560546875, -0.003021240234375, 0.0291748046875, 0.0595703125, 0.0703125, 0.00421142578125, 0.055419921875, -0.059814453125, 0.042236328125, -0.01708984375, 0.03857421875, -0.09326171875, -0.06494140625, -0.03515625, -0.051025390625, 0.0634765625, -0.1015625, 0.0138549804687...
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Homework Help Posted by Chris on Tuesday, May 14, 2013 at 1:27am. A major leaugue baseball player hits a ball 3 feet above the ground with a velocity of 103 feet per secon in the direction of a 10 foot wall that is 300 feet from home plate. If the hit is at an angle of elevation of 34 degrees and there is wind blowing...
4
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Geometric probability. December 20th 2010, 09:16 AM #11 Super Member December 20th 2010, 06:36 AM #10 Super Member December 20th 2010, 12:18 AM #9 December 19th 2010, 04:40 PM #8 Newbie December 19th 2010, 03:49 PM #7 MHF Contributor December 19th 2010, 03:47 PM #6 MHF Contributor December 19th 2010, 03:45 PM...
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[ 0.02294921875, 0.01904296875, -0.00022411346435546875, 0.0167236328125, 0.051025390625, -0.0225830078125, 0.059814453125, -0.000804901123046875, 0.0308837890625, -0.0260009765625, -0.0322265625, -0.00225830078125, 0.0245361328125, 0.00083160400390625, 0.058349609375, -0.00726318359375,...
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Homework Help Posted by stephanie on Thursday, May 3, 2012 at 10:12pm. √x^5/√x^2 change to exponential notation, then simplify. assume it is positive. • math - Bosnian, Friday, May 4, 2012 at 1:49am sqrt ( x ^ 5 ) = ( x ^ 5 ) ^ ( 1 / 2 ) = x ^ ( 5 / 2 ) sqrt ( x ^ 2 ) = x = x ^ 1 = x ^ ( 2 / 2 ) 1 / ...
4
[ -0.0238037109375, 0.031494140625, -0.002105712890625, 0.038818359375, -0.0177001953125, -0.0308837890625, 0.007354736328125, -0.0198974609375, 0.0458984375, 0.00653076171875, 0.08056640625, -0.04248046875, 0.031982421875, 0.0164794921875, 0.0096435546875, 0.1455078125, -0.0693359375,...
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Homework Help Posted by john on Monday, October 24, 2011 at 7:33pm. a splenical ballon is being inflated @ 10 cubic inches per secound. how fast is the radius of the ballon increasing when the surface area of the ballon is 2 pi square inches( answer to 4 decimal places)? • calculus - Steve, Monday, October 24, 2011...
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[ -0.02197265625, -0.010498046875, -0.01171875, -0.0299072265625, 0.0186767578125, -0.06298828125, 0.006805419921875, 0.06298828125, -0.0191650390625, 0.012939453125, 0.017333984375, -0.01416015625, -0.004669189453125, 0.107421875, 0.0189208984375, 0.0162353515625, 0.000507354736328125...
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Homework Help Posted by Anonymous on Sunday, May 4, 2008 at 2:12pm. Within an orthonormal system consider points A(1,4) B(5,1) C(4,8) (a)Calculate the angle ABC (b)Show that 3x+4y-19=0 is an equation for line L which passes through A and B (c)Find a vector equation for line L (d)(i)give an equation for the circle ...
4
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Another seemingly simple integral February 25th 2009, 01:02 PM #1 Member Joined Oct 2008 Posts 242 Another seemingly simple integral The definite integral from -1/2 to 1/2 of 9/the square root of 1-x^2 dx I don't even know where to begin in this one. Finding the antiderivative of that seems impossib...
4
[ 0.0235595703125, -0.091796875, 0.050048828125, 0.01531982421875, 0.052490234375, -0.11376953125, -0.0517578125, 0.0830078125, 0.00848388671875, 0.029296875, -0.041259765625, 0.030029296875, -0.04150390625, 0.0380859375, -0.099609375, -0.0361328125, 0.0286865234375, -0.078125, -0....
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spectral radius question April 7th 2010, 07:50 AM #1 Newbie Joined Apr 2010 Posts 3 spectral radius question hi, i'm having trouble seeing where to even begin... how can i show (||A||_2)^2 = p(A^T * A) for every matrix A in R^(nxn) where p is spectral radius? (A^T is transpose) any help much app...
5
[ 0.0244140625, -0.05322265625, -0.07080078125, -0.007598876953125, 0.00144195556640625, -0.01214599609375, 0.021240234375, -0.017578125, -0.0067138671875, 0.03466796875, 0.038330078125, 0.046630859375, 0.025146484375, 0.020263671875, -0.055419921875, 0.05322265625, 0.04443359375, -0...
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Annoying algebra May 19th 2013, 04:57 PM #1 Annoying algebra It's late and I really am at an end on this, I just can't seem to get it. Note: A+B = C+D So, I need to find B in terms of A. A+B / A-B = k1/k2 * C+D / C-D cross multiply (A+B)k2 / (A-B)k1 = C+D / C-D but A+B = C+D so ...
4
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Expanding Binomials July 19th 2007, 11:26 AM BlueStar Expanding Binomials Find the expansion of (r + 4)</I>3 I have the hardest time ever with this topic. I need a good, clear explanation on how to expand these (for someone who's an apparent math moron). July 19th 2007, 11:35 AM red_dog Do you mean ...
4
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Proposition 63 The square on the major straight line applied to a rational straight line produces as breadth the fourth binomial. Let AB be a major straight line divided at C, so that AC is greater than CB, let DE be a rational straight line, and to DE let there be applied the parallelogram DF equal to the square on ...
5
[ 0.0286865234375, 0.01385498046875, 0.0023651123046875, -0.06591796875, -0.0927734375, 0.07080078125, 0.0203857421875, -0.000614166259765625, 0.02001953125, -0.004852294921875, -0.037353515625, -0.029052734375, 0.02001953125, 0.0002269744873046875, -0.03076171875, -0.0146484375, -0.04...
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What is the inverse Laplace transormation of this please? December 5th 2011, 12:53 PM #1 Newbie Joined Aug 2011 Posts 14 What is the inverse Laplace transormation of this please? Hi I'm trying to work out the inverse Laplace transform of 4/[(s-2)^2 + 16] Could anyone help please? I have tried factor...
5
[ -0.06201171875, 0.12060546875, 0.0537109375, -0.01324462890625, 0.058349609375, 0.01202392578125, -0.0732421875, 0.051025390625, 0.01806640625, -0.0167236328125, 0.08837890625, -0.083984375, 0.000911712646484375, 0.05859375, 0.007568359375, -0.0164794921875, 0.0498046875, 0.0402832...
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Prime Numbers January 5th 2007, 05:14 PM #1 Newbie Joined Jan 2007 Posts 2 Prime Numbers Please help me i dont understand how to find out if numbers are prime how do i have to do to find out Say for example you have the number 139. If it is not prime it's divisible by some number less than $\sqrt{13...
4
[ 0.0576171875, -0.0029144287109375, -0.02685546875, 0.00958251953125, 0.047607421875, 0.030029296875, 0.048583984375, 0.08154296875, -0.040283203125, -0.0225830078125, -0.0703125, 0.07763671875, 0.03759765625, -0.05712890625, -0.0201416015625, -0.055419921875, 0.00311279296875, -0.0...
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Orthogonal basic && basic for the orthogonal complement December 4th 2009, 06:50 AM #1 Newbie Joined Dec 2009 Posts 1 Orthogonal basic && basic for the orthogonal complement Hi guys, I am stuck with this questions, and final is coming... I would be appreciate if anyone can help me to solve these ques...
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probability to get a pair (dices) 1. April 30th 2011, 10:58 AM #1 probability to get a pair (dices) You have five dices. What is the probability that you will get a pair on one roll? 2. April 30th 2011, 02:01 PM #2 Let me get this straight, you have 5 die. If you roll them all at once, what...
4
[ -0.00994873046875, -0.0556640625, -0.00408935546875, -0.0213623046875, -0.0537109375, 0.0478515625, 0.0098876953125, -0.01300048828125, 0.0380859375, -0.000568389892578125, -0.033447265625, 0.04931640625, -0.0517578125, -0.03466796875, -0.01092529296875, 0.0244140625, -0.1337890625, ...
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use product rule to differentiate function y= 7x^2 cos3x (with respect to x) i got as far as -sin3x and 14x but got stuck here! Where $f$ is the $7x^2$ part and $g$ is the $cos 3x$ part i am using the other form of that if y = u * v so dy/dx = u (dv/dx) + v (du/dx) and taking it from there. after finding the derivati...
4
[ -0.0478515625, -0.01953125, 0.01287841796875, -0.0003681182861328125, -0.0260009765625, 0.0137939453125, 0.026123046875, -0.052978515625, -0.034423828125, 0.046630859375, 0.080078125, -0.01263427734375, -0.0390625, 0.05126953125, 0.03955078125, -0.05810546875, -0.006500244140625, 0...
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range and domain of a function April 17th 2010, 05:19 AM #1 Junior Member Joined Jan 2010 Posts 49 range and domain of a function let f(x) = x^3 +x^2 -3x-3 and g(x) =1/(x+1) (i) factorize f(x) completely and find the roots of f(x) = 0 (ii) find gf and its domain (iii) let h(x) = x^2 -3. is...
4
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Coordination in a Single-Retailer Two-Supplier Supply Chain under Random Demand and Random Supply with Disruption Discrete Dynamics in Nature and Society Volume 2013 (2013), Article ID 484062, 12 pages http://dx.doi.org/10.1155/2013/484062 Research Article Coordination in a Single-Retailer Two-Supplier Supply Chain u...
5
[ -0.08447265625, -0.0027618408203125, 0.051513671875, 0.033447265625, 0.024658203125, -0.06884765625, -0.019287109375, -0.045654296875, 0.057373046875, 0.03125, 0.05419921875, 0.03955078125, 0.06640625, -0.0224609375, 0.0120849609375, -0.039794921875, -0.0830078125, -0.07080078125, ...
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Surface Evolver Workshop Trinity College Surface Evolver Workshop Home Help Day 2 Day 4 Surface Evolver Workshop Day 3 - Convergence and Hessian Introduction Whenever one uses an iterative method, such as the Evolver's 'g' command, there is the...
4
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Coordinate systems help! March 14th 2008, 09:57 PM #1 Question is: The variable chord $PQ$ on the parabola with equation $y^2=4x$ subtends a right angle at the origin $O$. By taking $P$ as $(t_1^2,2t_1)$ and $Q$ as $(t_2^2,2t_2)$, find a relation between $t_1$ and $t_2$ and hence show that $PQ$ passes thr...
4
[ -0.00078582763671875, -0.00213623046875, -0.00970458984375, -0.041748046875, 0.00994873046875, 0.015869140625, 0.029541015625, 0.10205078125, 0.11083984375, 0.0133056640625, 0.08154296875, 0.032958984375, 0.0191650390625, 0.006561279296875, -0.07373046875, 0.1279296875, -0.0241699218...
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probability of colours of balls May 24th 2009, 06:36 PM #1 Newbie Joined Apr 2009 Posts 11 the question is : (b) Box 1 contains six red balls and four green balls and box 2 contains seven red balls and three green balls. A ball is chosen at random from box 1 and placed in box 2. A ball is then chosen...
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inside-R glmnet {glmnet} fit a GLM with lasso or elasticnet regularization Description Fit a generalized linear model via penalized maximum likelihood. The regularization path is computed for the lasso or elasticnet penalty at a grid of values for the regularization parameter lambda. Can deal with all shapes of dat...
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[ 0.0546875, -0.0634765625, -0.0966796875, -0.0230712890625, 0.04638671875, -0.0235595703125, 0.0289306640625, 0.00933837890625, -0.0299072265625, 0.0198974609375, 0.044189453125, 0.0576171875, -0.02490234375, 0.05126953125, -0.044677734375, -0.015869140625, 0.05419921875, -0.0742187...
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[SOLVED] matrix determinant February 10th 2009, 08:55 AM #1 [SOLVED] matrix determinant if we have the following matrix 2 1 0 0 3 2 0 0 1 1 3 4 2 -1 2 3 and we want to calculate the determinant .shouldn't in any correct way of calculation obtain the same value of determinant? if we change the ...
4
[ -0.0177001953125, -0.029296875, -0.054443359375, -0.09521484375, 0.034423828125, -0.05615234375, -0.002960205078125, 0.00066375732421875, 0.0186767578125, -0.0203857421875, 0.04931640625, -0.059814453125, -0.030517578125, 0.0001773834228515625, -0.0615234375, -0.01226806640625, -0.03...
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di Oregonator From Scholarpedia Richard J. Field (2007), Scholarpedia, 2(5):1386. doi:10.4249/scholarpedia.1386 revision #91613 [link to/cite this article] The Oregonator (Orygunator) is the simplest realistic model of the chemical dynamics of the oscillatory (Zhabotinsky, 1991; Gray and Scott, 1991; Epstein and Po...
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Help with solving inequalities June 8th 2007, 04:36 PM #23 Junior Member June 8th 2007, 04:34 PM #22 June 8th 2007, 04:14 PM #21 Junior Member June 8th 2007, 03:41 PM #20 Junior Member June 8th 2007, 03:38 PM #19 June 8th 2007, 03:20 PM #18 Junior Member June 8th 2007, 03:08 PM #17 June 8th 2007, 02:40 PM #16 ...
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\varepsilon P^{H}\right\} $ and $\mathcal{S}=\left\{ j:p_{j}\leq \varepsilon P^{H}\right\} $. Let us say that $\mathcal{L}$ is the set of \emph{large} items, while $\mathcal{S}$ the set of \emph {small} items. Observe that the number of large items in any feasible solutions is not greater than $\lambda =\min \left\{ k,...
4
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solving equation March 21st 2012, 07:50 AM #1 Junior Member Joined Mar 2012 From malaysia Posts 73 Thanks 11 solving equation am i using a valid alternative solution? question: $\sin x+\cos\frac{x}{2}=0$ correct solution: $\sin(2\cdot\frac{x}{2})+cos\frac{x}{2}=0$ $\2sin\...
4
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The Math and ActionScript of Curves: Gradients and Normals - Tuts+ Code Tutorial The Math and ActionScript of Curves: Gradients and Normals We've tackled drawing curves, and finding their quadratic and cubic roots, as well as handy applications for using quadratic roots within games. Now, as promised, we'll look at ap...
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Modeling of Photoconductivity of Porous Silicon Advances in OptoElectronics Volume 2011 (2011), Article ID 896962, 4 pages http://dx.doi.org/10.1155/2011/896962 Research Article Modeling of Photoconductivity of Porous Silicon Ivan Franko National University of L'viv, 50 Dragomanov Street, 79005 Lviv, Ukraine Receiv...
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Brief Introduction to Social Network Modeling Here is a brief, and not comprehensive, introduction to social network modeling drawing from academic literature in mathematics, statistics, computer science, sociology and physics. This will simply introduce some basic models. I won’t get into stochastic (random) processe...
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