content string | quality_label int64 | meta string | all-MiniLM-L6-v2_embedding list | doc_id int64 | unique_id string |
|---|---|---|---|---|---|
Initial value problem: stuck on detail, help wanted!
November 11th 2008, 08:22 AM #1
Newbie
Joined
Nov 2007
Posts
9
Hi there.
I'm stuck solving the following problem, as I'm not sure how to find the values of 'B'. I gather I need to use the original DE, but I'm lost as to how. Can someone please help... | 4 | [
-0.0849609375,
0.043212890625,
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0.006622314453125,
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0.0174560546875,
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0.12255859375,
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0.0242919921875,
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0.055908203125,
-0.00299072265625,
0.... | 0 | 0 | |
Derivative of Implicit function, EXAM TOMORROW MORNING, PLEASE HELP!!!
April 3rd 2006, 08:27 PM #1
Super Member
Joined
Mar 2006
Posts
705
Thanks
2
Derivative of Implicit function, EXAM TOMORROW MORNING, PLEASE HELP!!!
$-3x^2+1xy-1y^3=-15$
I have to find the slope of the tangent line at the point... | 5 | [
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Homework Help
Posted by MissPatte on Wednesday, June 25, 2014 at 2:44am.
multiply (n^3+8)(n-4) can you give me an example on how to solve this please
• Algebra - Steve, Wednesday, June 25, 2014 at 5:51am
do things just as you would with numbers:
(2+5)(7-3)
2*7 + 5*7 - 2*3 - 5*3
You have
(n^3... | 4 | [
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-0.059570312... | 2 | 2 | |
Power Series (Complex Analysis)
September 21st 2008, 07:04 PM #1
Member
Joined
Mar 2008
Posts
99
Power Series (Complex Analysis)
Find the radius of convergence of the given power series.
(1) ${\sum_{k=0}}^{\infty}$$\frac{(k!)^2}{(2k)!}(z-2)^k$
(2) ${\sum_{j=0}}^{\infty}$$\frac{z^{3j}}{2^j}$
... | 5 | [
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0.045654296875,
-0.01... | 3 | 3 | |
Homework Help
Posted by Angie Need Help ASAP on Sunday, December 1, 2013 at 8:22pm.
A regulation baseball has mass 145 g and diameter 22.86 cm. Will this ball float
or sink in water?
Vsphere =
€
4
3π⋅r3
• Physics - Jai, Sunday, December 1, 2013 at 9:29pm
Steps:
1. Get the volume of the sphere (basebal... | 4 | [
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-... | 4 | 4 | |
Homework Help
Posted by gen on Thursday, November 11, 2010 at 8:01pm.
if y1=x^2+3x-1 and y2=x-5,
find: a. y1+y2
b. y1-y2
c. y1(y2)
• calculus - jai, Thursday, November 11, 2010 at 8:38pm
y1 = x^2 + 3x - 1
y2 = x - 5
for y1 - y2, combine similar terms,, for terms with same variables, add their numeri... | 4 | [
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... | 5 | 5 | |
supplementary exercise of trigo
June 28th 2013, 07:54 PM #1
Member
Joined
Apr 2013
From
Mahinog
Posts
78
Thanks
5
supplementary exercise of trigo
If A, B, C are the angles of a triangle, prove that cos^2A + cos^2B + cos^2 C = 1-2cosAcosBcosC
I've tried to use A+B+C=180, but I can't get the c... | 4 | [
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0.0196533203125,... | 6 | 6 | |
Express and calculate...
November 25th 2010, 04:34 PM #1
Member
Joined
Sep 2009
Posts
145
Express and calculate...
Hi,
If $\log_9 x = a$ and $\log_3 y = b$, express $xy$ and $\frac{x}{y}$ as powers of $3$.
If $xy = 243$ and $\frac{x}{y} = 3$, calculate $a$ and $b$.
I got the expression part... | 4 | [
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... | 7 | 7 | |
Distance Formula
August 25th 2010, 09:19 PM
GLAMX
Distance Formula
I'm really having a hard time with this. It deals with distance formula.
http://i35.tinypic.com/2j5hztf.jpg
As you can see from that picture, I tried solving the problem and got 117 as an answer. But my teacher told me the answer was 3√... | 4 | [
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Homework Help
Posted by Kimberly on Wednesday, June 10, 2009 at 3:29pm.
simplify: (2k+7)(7k-1)\
can someone please help me solve this problem and go through the steps to solving it with me. Its too confusing for me. Thank You
• pre algebra - MsPJ, Wednesday, June 10, 2009 at 4:11pm
Use FOIL (first, inner, out... | 4 | [
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Laurent expansions
December 1st 2009, 10:04 PM
conmeo
Laurent expansions
Find all Laurent expansions centered at z0 = 0 for f(z) = 1/[z^2(z^3 + 1)] and find the region of convergence for each expansion.
For this problem, I start with rewrite f(z) = 1/(z^2) *1/ [1-(-z^3)] then use geometric series to write l... | 5 | [
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Homework Help
Posted by kevin on Sunday, October 11, 2009 at 11:59am.
Brian O'Reilly earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are $150 more than that of his younger sister. She earns one quarter as much as Brian does as
a tutor. How much does Brian earn as a tutor?
•... | 4 | [
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... | 11 | 11 | |
Is there a Faa di Bruno-like formula for composition of three functions?
up vote 4 down vote favorite
2
Faa di Bruno's formula (MathWorld, Wikipedia) gives the kth derivative of f(g(t)) as a sum over set partitions. (I'm not sure how well-known the combinatorial interpretation is; for example see a
2006 paper of Micha... | 5 | [
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Homework Help
Posted by Teresa on Sunday, January 28, 2007 at 1:06pm.
Factor Completely: I am really confused on how to start it.
12q^5w^2-36q^4w^3-120q^3w^4
Help please. :)
Factor out 12q^3w^2:
12q^3w^2(q^2 - 3qw - 10w^2)
Can we factor further? Yes.
q^2 - 3qw - 10w^2 factors are (q - 5w)(q + 2w).
We end up wit... | 4 | [
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0.078125,
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0.037109375... | 13 | 13 | |
Homework Help
Posted by Taylor on Monday, January 24, 2011 at 9:17pm.
In a motorcycle race, one lap of the course is 650 m. At the start of the race, John sets off 4 seconds after Tom does, but John drives his motorcycle 5m/s faster and finishes the lap 2.5 seconds
sooner than Tom does.
What is the speed at which eac... | 4 | [
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Proof of a problem concerning least upper bounds
August 21st 2011, 08:17 PM #1
Newbie
Joined
Aug 2011
Posts
18
Proof of a problem concerning least upper bounds
The exercise:
Suppose that R is a partial order on A, B1 ⊆ A, B2 ⊆ A, x1 is the least upper bound of B1, and x2 is the least upper bound of ... | 5 | [
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Homework Help
Posted by Brandy on Friday, April 26, 2013 at 3:49pm.
The height of a projectile launched into the air is given by h (t)= -16t^2 + 48t + 60, where h is the height of the projectile in feet above the ground and t is the number of seconds after its
launch. Find the *instantaneous rate of change* in the hei... | 4 | [
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... | 16 | 16 | |
Homework Help
Posted by Dan on Sunday, January 23, 2011 at 10:48pm.
√(x+2) -7 =√(x+9)
• Pre Calc - Reiny, Sunday, January 23, 2011 at 11:19pm
are we solving?
If so, then ....
square both sides
x+2 - 14√(x+2) = x+9
- 14√(x+2) = 7
- 2√(x+2) = 1
(at this point I can tell that this cannot h... | 4 | [
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algebra word problem
May 14th 2008, 06:57 PM #1
Newbie
Joined
May 2008
Posts
1
algebra word problem
Irv's cycle rental shop, Irv rents all kinds of cycles: unicycles,tandem bikes, regular bikes, and even tricycles for little kids. He parks all the cycles in front of his shop with a helmet for
each ri... | 4 | [
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Robot Inverse Kinematics
We've seen the forward kinematics problem. The inverse kinematics problem is much more interesting and its solution is more useful. At the position level, the problem is stated as, "Given the desired
position of the robot's hand, what must be the angles at all of the robots joints?"
Humans sol... | 5 | [
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Homework Help
Posted by Destiny on Tuesday, October 21, 2008 at 11:08pm.
HELP!!!!!!!!!!!!!
write equation of a polynomial function with the given characteristics.
Leading coefficient is 1 or -1
crosses the x axis at -2,3, and 4
touches the x axis at 0
lies above the x axis between -2 and 0
• algebra - Reiny, T... | 4 | [
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