April 17, 2014


Number of results: 27,529

Thursday, September 18, 2008 at 12:34am by Damon

Thursday, December 16, 2010 at 12:09pm by TutorCat

Monday, January 26, 2009 at 8:48pm by lANEY

Put slice of "potato" in four diff bowls. Add diff "solutions" to each bowl. Which is Dependent Variable and which is Independent Variable?
Wednesday, October 26, 2011 at 11:46am by LW

dT/dt= k(T - Tm), t > 0 where k is a constant of proportionality, T and Tm are measured in degrees Fahrenheit, and time t is measured in hours. Because Diff wants to investigate the past using positive values of time, he decides to correspond t  0 with 6:00 A.M., and so...
Thursday, September 27, 2012 at 4:23pm by armut

This is a pretty elementary diff of a ln function. What are you having difficulty with?
Tuesday, October 6, 2009 at 3:15pm by bobpursley

well, ok, if you are taking the diff with respect to u. I am not certain the author had that in mind.
Sunday, October 24, 2010 at 9:01pm by bobpursley

Diff eq
y'(x)=sqrt2y(x)+7, y(4)=1 Solve the seperable diff eq
Sunday, February 24, 2013 at 2:07pm by Melissa

Calculus Help
The question is asking for the second derivative by implicit diff. That's where I got confused. thank you so much!!!
Thursday, March 20, 2014 at 3:28pm by Matt

Calculus Help Damon
Use implicit diff. to find dy/dx of each of the following. This is the question
Thursday, March 13, 2014 at 8:19pm by Kimberly

Diffusion rate (moles/area*sec) = (Concentration gradient)*(Diff. coefficient) Shouldn't the concentration difference have units of mole/m^3 ? Or are you providing the value of (Diff. coefficient)/(thickness) ?
Saturday, March 27, 2010 at 5:15am by drwls

Calculus Help
use logarithmic diff. to find the derivative of the function. Show steps please! so I can see how it is done. Thank you so much! y=(e^(-x)cos^(2)(x))/(x^(2)+x+1)
Tuesday, March 18, 2014 at 10:47pm by Maho

I want to know how we know if a function is continuas or discontinuos and what are the types and diff if discontinuos functions?
Monday, September 22, 2008 at 4:29pm by Mia

physical science
if two lighting volts heat exactly they same place at they same time in are frame of ref.,it is possible that observed in other frames will see the volts heating at diff. time r at diff. places????? explain.
Sunday, September 25, 2011 at 10:38am by angie

Please help me on this calculus question. I am getting the wrong diff. equation and so my answers to the remaining parts are wrong. ---------------------- A thermometer reading 85 degress outside is brought into a room with a constant temperature of 72 degrees. The rate of ...
Tuesday, September 29, 2009 at 6:49pm by Matt

I worked the problem like this. not sure if i am using male or female as the base. abs diff= 1350-1010=340 relative diff= 1350-1010, divided by 1010=.336633663 or 33.7%. did i do it the way they problem asks or did i do it backwards? thanks
Tuesday, March 30, 2010 at 9:06pm by Amy

Calculus Help Please!!!
If x^3 - y^3 =3 , use only implicit diff. to find d^2y/dx^2 . Express your answer in terms of x and y only and write is as a proper fraction that is completely simplified as much as possible.
Tuesday, April 8, 2014 at 1:44am by Tanya

"Leave the answer as a definite integral, but indicate how it could by evaluated by using the fundamental theorem of calculus." I solved the problem to a definite integral. Proceeding via the fundamental theorem, would involve finding the indefinite integral (or antiderivative...
Tuesday, July 3, 2012 at 6:03pm by Parker

Calculus Help STEVE
find y'' by implicit differentiation. 2x^3 + 3y^3 = 8 I got the first derivative as you but the problem was asking for second derivative by implicit diff. this is where i got confused. Thank you!!!
Thursday, March 20, 2014 at 5:51pm by Matt

Calculus Help Please!!!
Use implicit diff. to find dy/dx of each of the following. In the following x,y and (a) are all variables. Show step by step please! Thank you! 1) y^2 = x^2+a^2 2) y^2+ay = x^2+ax+a^2
Sunday, March 16, 2014 at 3:54pm by Josh

Differential Equations
scroll down through this:
Thursday, January 31, 2013 at 11:46am by Damon

Differential Equations
scroll down through this:
Thursday, January 31, 2013 at 3:41pm by Damon

The numbers 4; 6; 13; 27; 50; 84 do not form an arithmetic progression as the differences between succsessive terms are not constant. If you take the successive differences of the terms given, n.......1....2....3....4....5....6... N.......4....6...13...27...50...84... 1st Diff...
Friday, May 11, 2012 at 6:47am by tchrwill

A particle is moving along the parabola 4y = (x + 2)^2 in such a way that its x-coordinate is increasing at a constant rate of 2 units per second. How fast is the particle's distance to the point (-2, 0) changing at the moment that the particle is at the point (2, 4)?
Thursday, November 18, 2010 at 8:43am by KAREEN

calculus wxmaxima
Define a function f(x) (to find arc-length) f(x):=...... Find its derivative: diff(f(x),x) Copy and paste the result and assign it to another function, say f1(x): f1(x):=....paste.... Go to the Calculus/integrate function. For the integrand, input: sqrt(1+f1(x)^2) Input the ...
Wednesday, February 16, 2011 at 6:59pm by MathMate

First solve the homogeneous equation: y' + (y)tanh(x)= 0 Replace the integration constant by an unknown function and substitute that back in the Diff. equation: y' + (y)tanh(x) - 2e^x = 0 then solve for that unknown function.
Wednesday, May 7, 2008 at 11:09am by Count Iblis

The idea of predicting which is ionic, which covalent, which polar covalent depends upon some man made definitions and how to interpret them. Look up the value for the electronegativity (EN) for each element. If the difference is about 1.9 or so it is about 50% covalent/50% ...
Sunday, February 9, 2014 at 8:17pm by DrBob222

actually an ODE question(but there's no diff. eq. subforum) (y^2)(dy/dx)+y^3/x =2/x^2 using substitution u(x)=y^3 so I've been doing a few of these and getting them all wrong and this problem... I don't know where to start. I tried (1/u)(du/dx)+u/x(du/dx)=2/x^2 but that gives ...
Monday, January 30, 2012 at 8:33pm by bob

Risk-adjusted discount rate Answer: e Diff: M A: Inputs: CF0 = -25000; CF1 = 13000; Nj = 3; CF2 = 18000; I = 12. Output: NPVA = 17,663.13. B: Inputs: CF0 = -42663.13 (-25000 + -17663.13); CF1 = 15247; Nj = 4. Output: IRR = 16.0% = k. Risk-adjusted discount rate Answer: e Diff: M
Saturday, March 26, 2011 at 1:08pm by John

Diff eqn- IVP :)
Saturday, March 12, 2011 at 7:03am by MathMate

You might examine the initial sequence of triangular numbers to if they had some property that would allow you to derive the nth triangular number? n.....1.....2.....3.....4.....5......6... N...1.....3.....6....10...15....21... DIff...2.....3.....4......5.....6 Diff......1...
Tuesday, January 22, 2008 at 8:21pm by tchrwill

Diff EQ
is the integration of (x-2)^2 = 1/3(x-2)^3 Yes, that is correct.
Monday, January 22, 2007 at 11:04pm by nicole

diff in fact oppinion
Monday, January 3, 2011 at 5:04pm by no name

Diff eqn- IVP
Saturday, March 12, 2011 at 7:07am by shasha

i did. those were two diff questions
Wednesday, August 12, 2009 at 8:03pm by bobbie

Diff eqn- IVP
thanzz again
Saturday, March 12, 2011 at 7:03am by shasha

Diff eqn- IVP
why stiffness (of a spring) ?
Saturday, March 12, 2011 at 7:07am by shasha

trying to find the sims and differences for the following --------------------------------------- fertilization v pollination sim's both part of the process of sexual repro diff. pollination doesnt involve direct contact since it is transfer from the anther to the stamens by ...
Monday, July 27, 2009 at 7:05pm by Jim_R

First glance flashes "finite difference series" but there is insufficient data to confirm same. Assuming it is, the pattern would look like the following. n.....1.....2.....3.....4.....5... ......8....15....29....50....78... Diff....7.....14....21....28... Diff.......7......7...
Wednesday, September 21, 2011 at 8:34pm by tchrwill

we square all and evalaute as a diff of 2 squares
Sunday, August 16, 2009 at 8:36pm by alan

Biology- check my answer (diff one)
Where you correct?!
Wednesday, December 19, 2012 at 4:32pm by Des

Biology- check my answer (diff one)
C. I think
Wednesday, December 19, 2012 at 4:32pm by Des

Biology - URGENT Enzyme Lab
Did a catalase producing hydrogen peroxide lab, used manganese dioxide, fresh frozen liver, potato, ice, fine clean sand, etc. Basically just added hydrogen peroxide to the catalysts under diff conditions and stuff. Just dont get this question which is : how do you account for...
Friday, April 5, 2013 at 1:25am by Shreya

Diff Calculus
Find the interval(s) where the function is increasing of decreasing. find the: a) critical value(s) b) critical point(s) c) max. value + max. point d) min.value and min. point e)point on inflection if there is: 1) y=x^4-3x^3+22x^2-24x+12 thanks:)
Sunday, October 2, 2011 at 5:02am by unknown

whats the diff b/w figure of speech and figurative language?
Wednesday, January 2, 2008 at 10:20pm by BEN

is there a way to plug that in the calculator cause i got a diff answer.
Monday, June 9, 2008 at 5:26pm by jerson

US history
what/who did the antifederalists support? (what is diff. from them and the federalist beliefs)
Monday, October 20, 2008 at 5:09pm by Samantha

What are the steps in finding the diff quotient for f(x)= sq rt of x?
Monday, November 3, 2008 at 8:26pm by Kassi

math 3rd grade
diff is 5, please explain answer
Wednesday, March 18, 2009 at 6:31pm by dawn

srry... i was told it wasn`t discovered... that they could be all diff colors...:(
Tuesday, November 10, 2009 at 5:10pm by Tori

math percentage diff
Is there other methods to solve for this problem?
Wednesday, March 24, 2010 at 11:49pm by danny

social studies
how is the iroquois confederacy diff. from the colonial government?
Thursday, March 25, 2010 at 6:09pm by lauren

state diff. between HTML AND DHTML
Tuesday, June 5, 2012 at 4:04pm by Shivansh Tomar

Polynomials check my answer
sum (x)+(y-1) = x+y-1 diff (x)-(y-1) = x-y+1 prod (x)*(y-1) = xy - x
Thursday, September 19, 2013 at 5:15pm by Steve

math percentage diff
nope, not if you want the rate to be the same each year as you stated
Wednesday, March 24, 2010 at 11:49pm by Reiny

sum ok diff ok prod (x^2)(x) = x^3 x^2^x is not even a polynomial! If x=3, (x^2)(x) = 9*3 = 27 x^2^x = 3^(2^3) = 3^8 = 6561
Friday, September 20, 2013 at 5:25pm by Steve

In my book I have diff answer. Can you double check your work?
Thursday, December 26, 2013 at 1:14pm by tony

Calculate the difference between successive terms of the sum. The differences are the terms you need to add together to make the sum. Sum: 2,8,18,32,50,72... diff: 2,6,10,14,18,22... 0th term=2 1st term = 6 2nd term = 10 The rule is therefore 2+4i So check if Σ2+4i works...
Tuesday, January 5, 2010 at 11:23pm by MathMate

math percentage diff
I could not figure this out with the regular % differece. Is this an algebric problem.
Wednesday, March 24, 2010 at 11:49pm by danny

English II
Ok, I have the write answer which is C.. But why would it be right? The diff between C,D= semicolon
Tuesday, October 16, 2007 at 9:36pm by Confused

huh i do understand becaues it was not about rules for men that or diff. for women in sports
Monday, August 10, 2009 at 11:19am by steve

lol are you posting under several diff names for the same kinda homework?
Thursday, April 15, 2010 at 7:01pm by anon

home economics
What are the, equipments,materials used for farm crop production.
Monday, June 4, 2012 at 8:44am by bing

Can someone please help me with balancing ASAP
I have tried putting in diff answers but its not working
Friday, December 14, 2012 at 10:50am by Trina

Can someone check my answer please i dont know if I am doing this right x^ (2):x= sum (x^2 )+ (x)=x^2+x diff (x^2 )-(x)= (x^2-x) Product (ーx)―^2 (x)=x^2^x
Friday, September 20, 2013 at 5:25pm by Rick

I am working on a research project. I am concerned about my opening paragraph. Could anyone read this to see if it makes sense. My topic is C. Diff. In 2009 according to the CDC and US Deparmtne of Social Secirty there were 2,437,163 people that died that year. During 2009, ...
Thursday, August 23, 2012 at 5:18pm by Jenifer

The path of a light ray that crosses the boundary between two diff. media is irreversible
Friday, October 26, 2012 at 1:57pm by Lauren

Im so tired of being frustrated can someone help get the sum diff and product of this problem 3^x ∶ x^2-3^x+ 2
Thursday, September 19, 2013 at 10:45pm by tela

I assume you mean the gradient is uniform. And I assume you have calculus. You have used terms Potential, and field strength, I hope you used them precisely . Field strength is the gradient of Potential. Gravitational Field strength=d(potential diff/d height) or "g"=8(J/kg)/...
Wednesday, January 19, 2011 at 2:30pm by bobpursley

math grd 11
how do u draw an asymtote ? diff btwn set and interval notation? and example plz
Thursday, April 15, 2010 at 9:45pm by forki

Earth Science
I think u studied in NC ? lol I'm doing the sheet and downloaded it from diff places to get the right answers
Wednesday, June 18, 2008 at 12:54pm by Jessie

Earth Science
I think u studied in NC ? lol I'm doing the sheet and downloaded it from diff places to get the right answers
Wednesday, June 18, 2008 at 12:54pm by Jessie

can someone help me with this crazy problem please I have to do the sum diff and product for class x^3- ー2x―^2 + 3x-1 | x^2- x+4
Friday, September 20, 2013 at 5:21pm by Rick

Please can you help out: 1)The Potential diff across the terminals of a battery is 8.5v when there is a current of 3amps in the cct from the -ve to the +ve terminal. When the current is 2amps in the reverse direction, the potential diff becomes 11volts. a) what is the internal...
Tuesday, April 17, 2007 at 3:24am by Charles

how do u draw an asymtote ? diff btwn set and interval notation? and example plz
Thursday, April 15, 2010 at 10:12pm by forki

applied physics
hahahaha u ar also doultin the ansa i stil cnt figur out a diff 1
Sunday, April 1, 2012 at 9:26pm by jose souljoe

i am and see fl-southeast: Me- Northeast: Ca- West and ND-, what makes only 1 diff and the rest the same?
Thursday, October 30, 2008 at 9:43am by Debbie

Pre Calculus 12
Im on the chapter of permutations/combinations/fundamental counting principle need help with 2 questions 1. emma is arranging her books in piles on her desk. she has 5 math books, 3 english books, and 4 science books. how many ways can she arrange them if she wants to keep the...
Friday, January 18, 2013 at 1:30am by Shreya

i did and iv already got that info so i need diff info
Sunday, October 11, 2009 at 3:01pm by holly

Nuclei that has the same number of protons, but may contain diff number of neutrons.
Friday, January 20, 2012 at 10:06pm by Dee

math factoring
(a)5x-3x^2 x(5-3x) remove GCF (b)25-x^2 (5+x)(5-x) Diff of 2 squares
Sunday, September 26, 2010 at 10:51pm by KELLY

diff between actual and formal parameter
Tuesday, October 25, 2011 at 5:04pm by computer

again, this is a first order linear diff equation, see the practical steps in the link below (get the form, then the integrating factor, and evaluate.
Thursday, January 29, 2009 at 11:29pm by bobpursley

Diff Eq
If y(t)=3e^(t^2)is known to be the solution of the initial value problem y'+p(t)y=0, y(0)=y_0, what must the function p(t) and the constant y_0 be?
Friday, September 7, 2012 at 7:35pm by Joe

use diff eq. with coulombs law E = kq/r^2 r^ Solve dy/dx = E_net,y/E_net,x
Monday, July 1, 2013 at 2:18pm by Anonymous

diff eq
solve 2y^2(y'')+2y(y')^2=1
Sunday, February 17, 2013 at 4:28pm by jump

Polynomials check my answer please
I need help bad i been doing this homework since i got home at 4:00 and am stuck on this problem. X -1 : X-2 =sum (x+1)+(x-2)=(x+x+1-2) diff (x+1)-(x-2)=(x-x-1-2) Product (x-1)(x-2)=(x^2-1)
Thursday, September 19, 2013 at 10:57pm by johnnie

Polynomials check my answer please
sum (x-1)+(x-2) = 2x-3 diff (x-1)-(x-2) = 1 prod (x-1)*(x-2) = x^2-3x+2 looks like you need some review on working with basic operations.
Thursday, September 19, 2013 at 10:57pm by Steve

Microeconomics: Describe the diff. market forms ( I've done that) Under which equlibria and under which circumstances is sustainable profir possible? ( I am lost)
Friday, January 5, 2007 at 6:24pm by Angel

find the 5 diff. ways a collection of 100 coins-pennies, dimes, and quarters- can be worth exactly worth $4.99.
Tuesday, January 27, 2009 at 10:25pm by Julie

Diff EQ
Find all critical points of the given system and investigate the stability of each. dx/dt = y - 1 dy/dt = x^2 - y
Monday, April 4, 2011 at 8:18pm by Alex

Can someone show me step by step how to get the sum diff and product of this problem x^3- 〖2x〗^2 + 3x-1 ∶ x^2- x+4
Thursday, September 19, 2013 at 2:57pm by tela

sorry i am stuck on many questions thats why used diff names. i need help and be grateful if u can help but most questions I dont know how to work it out.
Monday, March 3, 2014 at 4:30pm by jenny

math grd 11-midterm tomm
please explain how do u draw an asymtote ? and whats the diff btwn set and interval notation? and example plz thanks
Thursday, April 15, 2010 at 9:24pm by just wondering

can someone please help me with this problem I have to get the sum diff and product I keep trying to work it out but i really think im blowing it. x^3- ー2x―^2 + 3x-1 | x^2- x+4
Saturday, September 21, 2013 at 11:39am by Rick

Calculus - please check my work
differentiate each function a) y = cos^3x b) y = sin(x^3) c) y = sin^2 xcos3x my answers: a) y' = 3cos^2 x(-sinx) b) y' = cos(x^3)(3x^2) c) for this one, i dont know which one is correct. i got 2 different answers but i think they may be the same.. im not sure, i did it twice ...
Tuesday, June 19, 2012 at 12:26am by Henry

math percentage diff
a value of 2.40 increased to 4.48 in 5 years. what is the change in percentage each year? this one was difficult to figure out..
Wednesday, March 24, 2010 at 11:49pm by danny

how do u draw an asymtote ? diff btwn set and interval notation? and example plz
Thursday, April 15, 2010 at 10:02pm by forki

Biology- check my answer (diff one)
Well it would have had to been two of them since it's worth two points. C is I think 1.
Wednesday, December 19, 2012 at 4:32pm by Rose

YESSS that's what I got for radius! Thank you so much, I thought I was going crazy cause my lab partner had a diff result but wouldn't relent. Now, what about volume?
Sunday, September 14, 2008 at 3:48pm by A 9th grader

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>