Thursday

April 24, 2014

April 24, 2014

Number of results: 2,248

**Studying for Calc**

I have a quiz on derivatives coming up and I really want to do well, but i'm not sure how to go about studying calc. i have no trouble studying for other subjects, but i'm doing poorly in calc and i need to make some changes in my study habits. any suggestions? i usually work ...
*Tuesday, October 7, 2008 at 4:22pm by Elizabeth*

**MATHS**

A CONE WAS CONSTRACTED FROM PLASTIC, HAVE A HEIGHT OF 20cm (PART C). THE LID IS MADE UP OF HEMISPHERE HAVE RADIUS 0F 5cm (PART A) AND PYRAMID HAVE VOLUME OF 81,667cm³. THE LID FITS EXACTLY OVER THE CONE. A) CALC. THE VOL. OF PART A. B) CALC. THE VOL. OF PART C. C) CALC. THE ...
*Monday, August 9, 2010 at 8:16am by MTHOMBENI BAFANA*

**Pre-Calc/Calc**

Which set of parametric equations corresponds to this rectangular equation? y=2x-(x^2 / 10) A. x=4t, y=4t-(t^2 /10) B. x=2t, y=8t-(4t^2/10) C. x=2t, y=4t-(4t^2/10) D. x=.5t, y=2t-(t^2/10) E. x=t, y=t-(t^2/10)
*Wednesday, April 17, 2013 at 11:05am by Chris Math Hw Help*

**Calc**

Can someone help me with this calc problem? lim as x->0 (tan^3 (2x))/(x^3)
*Thursday, January 8, 2009 at 4:22am by Nick*

**help chem!:/**

a) Calc. PH of 0.010 M HF and 0.030 M KF e) calc. PH Zn(OH)2 in wAter
*Thursday, March 15, 2012 at 9:03pm by ALISON*

**Pre Calc**

Does this: sqrt 3x-4=(x-4)^2-3 Multiply out to: x^4-16x^3+90^2-211x+173 I then need to put it in the graphing calc and see what the roots are.
*Thursday, September 10, 2009 at 8:34pm by muffy*

**calculus (limits)**

lim h>0 sqrt(1+h)-1/h not sure how to factor this; not allowed to use L'Hopital's Rule. (that isn't taught at my school until Calc II & I'm in Calc I).
*Saturday, January 22, 2011 at 2:09pm by John*

**Calc or Pre calc**

I am having trouble doing this problem. I know how to do indefinate integrals, but I don't know how to do definate integrals. Can you show me how to do this. Evaluate 5 (x^3-2x)dx 2
*Wednesday, May 14, 2008 at 9:42pm by jennifer*

**Math**

If (a,-3) is a point on the graph of y=x^2+4x, what is the value of a? so far i have -3=x^2+4x i can do the problem on my graphing calc but we can't use a graphing calc on the test so i need to know how to do it by hand. what do i do next?
*Wednesday, January 20, 2010 at 10:29pm by Karen*

**Pre-Calc**

I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for In(y-1)+In(y+1)= -x+c express your question as ln[(y-1)(y+1)] = -x+c change that to exponential form e^(-x+c) = (y-1)(y+1) e^(-x+c) = y^2 - 1 y^2 = e^(-x+c) + 1 ...
*Wednesday, May 9, 2007 at 12:36pm by Sarah*

**Pre-Calc**

Can you show me how to find the rectangular equation of r=2costheta + 3 sin theta All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
*Monday, October 3, 2011 at 6:33pm by Leah*

**C code**

Write a .c file named calc that: - Takes arguments from the command line - Solves a simple math problem - Returns the result as an exit status calc.c: //this is the function that gets called when the executable is run. int main(int argc, char * argv[]){ //I've given you the ...
*Wednesday, February 6, 2013 at 9:04pm by Nick*

**chemistry**

liquid heptane C7H16 is completely combusted to produce CO2 and H2O: C7H16 + 11O2 --> 7CO2 + 8H2O the heat combustion for one mole of C7H16 is -4.85*10^-3 CO2 heat of comb. = -393.5 H2O h of c= -285.8 a) calc. the vale of heat of cumbustion for C7H16 in kJ/mol a .0108 mol ...
*Wednesday, March 10, 2010 at 7:28pm by hilde*

**Calc**

Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 How do I simplify this so I can take the derivative For Further Reading * Calc - Michael, Sunday, November 25, 2007 at 4:17pm Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 p(-p^2 + 33p + 9) Just distribute the p in. -9(-p^2 + 33p + 9) Find the ...
*Sunday, November 25, 2007 at 8:20pm by Ben*

**physics**

an aeroplane is travelling horizontally at a speed of 80ms and drops a crate of emergency supplies.To avoid damage,the max vertical speed of the crate on landing is 20ms. a)calc d max height of the aeroplane when the crate is dropped b)calc d time taken for the crate to reach ...
*Thursday, January 19, 2012 at 2:59pm by Shanti*

**Calc pt2**

Original question: Posted by Lost One on Tuesday, March 5, 2013 at 12:04pm. Let f(x) = (2/3)x^3 - 2x + 1 with a restricted domain of [1,infinity]. What is the value of (f-1)'(x) when x = 13? •Calc - Steve, Tuesday, March 5, 2013 at 12:58pm since x = f^-1(y) and dx/dy = 1/y' f...
*Tuesday, March 5, 2013 at 2:25pm by Lost One*

**calc**

Use L’Hopital’s rule to find the limit of this sequence (n^100)/(e^n) ...If you do L'Hop. Rule it would take forever, right? You would always get an (e^n) at the bottom and will have to use the L'Hop. rule 100 times to find the limit...100*n^99, 9900n^98, and etc. Is there a ...
*Wednesday, February 1, 2012 at 4:55pm by lola*

**Calc**

A student is in a 20 week calc class. The function f(t)=50-50e^0.2t f(t) measures the students problem speed in t weeks -how many problems per hour can a student solve at the beginning of the course - how many problems per hour can a student solve halfway through the course -...
*Friday, July 20, 2012 at 2:07pm by Marshall*

**calc**

f(x)=7x-4 a) f(0) b) f(-3) c) f(b) d) f(x-1)
*Sunday, October 4, 2009 at 2:41pm by kim*

**calc 2**

(dy/dx) + 8y =5
*Wednesday, March 24, 2010 at 7:02pm by Anonymous*

**calc 2**

(dy/dx) + 8y =5
*Wednesday, March 24, 2010 at 7:01pm by Anonymous*

**calc 2**

(dy/dx) + 8y =5
*Wednesday, March 24, 2010 at 7:02pm by Anonymous*

**calc 2**

(dy/dx) + 8y =5
*Wednesday, March 24, 2010 at 7:02pm by Anonymous*

**calc**

(e^x + e^-x)/2=1
*Sunday, October 17, 2010 at 10:41pm by BOB*

**calc**

(e^7x)/(e^3)^x= e^16
*Monday, October 18, 2010 at 10:45pm by pauly*

**calc**

(e^x)e^x+1)/(e^x-1)=8
*Monday, October 18, 2010 at 10:48pm by Vinny*

**Calc**

If dy/dx = x²y², then d²y/dx² = ?
*Sunday, January 2, 2011 at 6:07pm by Erica*

**calc**

If dy/dx = xy - y^2 and y(1) = 3, then y (2) = ?
*Tuesday, February 22, 2011 at 12:15am by Erica*

**Calc**

If dy/dt = 2y/(t(t+2)) for t>0 and y = 1 when t = 1, then when t = 2, y = ?
*Tuesday, February 22, 2011 at 12:18am by Erica*

**calc**

If f(x)= (3x)^(3x), then f'(x) = ? Thank you!
*Monday, April 25, 2011 at 7:15am by Erica*

**calc**

x^2=10-4x
*Wednesday, May 4, 2011 at 9:11pm by anon*

**calc**

R(t)=85 t-2 t**2; t=4
*Wednesday, December 7, 2011 at 8:51pm by lc*

**Ap calc**

F(x)= (2x-5)^3
*Sunday, February 3, 2013 at 5:19pm by Trent*

**chemistry**

This problem is from my chemistry book and I am having a little trouble with the intermediary steps: Barium metal crystallizes in a body- centered cubic lattice (atoms at lattice points only) The unit cell edge length is 502 pm, and the density of the metal if 3.5g/cm^3. (...
*Tuesday, May 18, 2010 at 3:59pm by Tokey*

**Chemistry**

A .682 g sample of an unknown weak monoprotic acid, HA, was dissolved in sufficient water to make 50mL of solution and was titrated with a .135 M NaOH solution. After the addition of 10.6mL of base, a pH of 5.65 was recorded. The equivalence point was reached after the ...
*Wednesday, May 9, 2007 at 2:45pm by Sara*

**calc question**

Fx = d(x) * q(x) + r(x) if r cant be o and d(x) = 2 what is r?
*Friday, February 9, 2007 at 2:33pm by tofu*

**calc**

how to do the integral of (ln(x))/(x^2)
*Wednesday, January 23, 2008 at 10:36pm by sarah*

**calc**

what is the derivative of 1/x??
*Thursday, October 30, 2008 at 7:50pm by Dan*

**Calc**

What is the integral of x^(7/2) * ln(x) dx? Thanks
*Monday, November 17, 2008 at 10:25am by Mike*

**calc**

ln(a² − b²)
*Saturday, January 24, 2009 at 2:52pm by cindy999*

**Pre Calc**

How do I do this?... Sq Rt[(9*Sq Rt(3x^2))]
*Saturday, March 14, 2009 at 8:46pm by MW*

**Calc**

How do I solve for x in: y = -(x-4)^2 + 4
*Thursday, April 2, 2009 at 12:04am by Jose*

**Calc**

what is a derivitive? And how do you get it (f(x)=2x) from f(x)=x^2-3?
*Thursday, September 10, 2009 at 6:22pm by Katie*

**Calc**

lim x->3 ((x^-2)-(3^-2))/(x-3)
*Sunday, September 20, 2009 at 10:20pm by sh*

**pre calc**

13-5e^2x=3
*Friday, October 30, 2009 at 12:58am by Laurie*

**Pre Calc**

h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 8 1 5 2 7 6 5
*Friday, November 13, 2009 at 6:52pm by Pre Calc*

**Calc**

how do I integrate x^4-3y^3+2y^2? thanks
*Saturday, November 21, 2009 at 1:09am by Rose*

**pre calc**

(1/x^2-49)/(1/x+7)?
*Tuesday, February 23, 2010 at 11:14pm by Karissa*

**Calc II**

x^3/(sqrt x^2+25) dx
*Saturday, June 26, 2010 at 8:16pm by Scott*

**calc**

y(s)= 1/(6(s^2)) - 5/s Find Y'(s)
*Sunday, October 3, 2010 at 9:16pm by Mel*

**Calc**

Find f'(7) for f(x)=6x^ln(x)
*Thursday, November 4, 2010 at 12:24am by Adam*

**Calc**

Find y' for y = x/(x+y)
*Friday, December 3, 2010 at 1:29am by Brandon*

**Calc**

derivative of (x^2+14)/x
*Tuesday, February 8, 2011 at 3:49pm by Matt*

**Calc**

What is the antiderivative of dy/dx = x/(x^2 + 1)?
*Tuesday, February 15, 2011 at 11:53pm by Erica*

**pre-calc**

(3^-2+4^-2)^-1/2
*Wednesday, February 16, 2011 at 7:10pm by megan*

**pre-calc**

(3^-2+4^-2)^-1/2
*Wednesday, February 16, 2011 at 7:10pm by megan*

**CALC**

INTEGRAL OF Y^2/(25+Y^2)
*Saturday, February 26, 2011 at 9:53pm by tom*

**calc**

hi what is the derivativ of [-18(x^2)]/[(1+2(X^3))^2] ?? thanks!~
*Thursday, March 10, 2011 at 10:41pm by Tinka*

**Pre-Calc**

2-2
*Sunday, April 10, 2011 at 9:23pm by Chelsey*

**calc **

Let f(3) = 0, f '(3) = 6, g(3) = 1, and g '(3) = 1/3. If h(x) = f(x)*g(x), find h '(3).
*Saturday, April 30, 2011 at 12:40pm by Todd*

**Calc**

dy/dx of xy^2=tan(2x+4y)
*Saturday, April 30, 2011 at 2:30pm by ardi*

**Calc 3**

intersect x^2+y^2=36-8x^2-8y^2
*Wednesday, July 13, 2011 at 7:45pm by Katie *

**Calc AB**

(1/(x+h))-(1/x) ..simplify
*Thursday, August 18, 2011 at 1:19pm by star*

**Calc AB**

(x+y)^3 expand
*Thursday, August 18, 2011 at 1:51pm by star*

**calc**

lim x-> 2- = 2x-x^2/x-2
*Sunday, September 18, 2011 at 3:59pm by calculus*

**Calc**

find d^2y/dx^2 of dy/dx = -[y/x]^1/3
*Monday, December 5, 2011 at 6:57pm by Anonymous*

**Calc**

find d^2y/dx^2 of dy/dx = -[y/x]^1/3
*Monday, December 5, 2011 at 7:27pm by Anonymous*

**calc**

what is (x^2-8x+3) factored?
*Monday, January 9, 2012 at 7:59pm by haleigh*

**pre calc**

g(1/2)=-(1/2)^2+7(1/2)-7
*Wednesday, January 25, 2012 at 10:05am by Dorene*

**Calc**

Integrate from [0, 1/2]: 1/(4x^2+1)^(3/2) dx
*Thursday, February 23, 2012 at 9:40pm by Anonymous*

**Calc AB**

How do you simplify: (x^(3/2))(x+x^(5/2)-x^2)
*Monday, August 6, 2012 at 3:27pm by Em*

**Calc**

What is lim (x -> 0) of (e^x) / x Thank you!!
*Thursday, September 13, 2012 at 9:35am by NIK*

**Calc**

deriv. h(t)=(tˆ4-1)ˆ3(tˆ3+1)ˆ4
*Monday, October 15, 2012 at 11:23am by C.S.*

**calc**

Integrate 2(x^2)e^g(x) where g(x)=4^(x^3)
*Wednesday, May 1, 2013 at 10:36pm by Sunny*

**AP Calc.**

Simplify: [(x^-3)-x]/[(x^-2)-1]
*Friday, July 12, 2013 at 12:50pm by Anon*

**Pre-calc/Calc**

Which expression is equivalent to sin(3x) + sin x? A. 2cos(2x)sin x B. 2sin(2x)sin x C. -2sin(2x)cos x D. 2sin(2x)cos x E. -2cos(2x)sin x
*Wednesday, April 17, 2013 at 11:12am by Chris Math Hw Help*

**pre-calc**

(8y2+3y-7)(3y+4)
*Wednesday, October 17, 2007 at 5:49pm by steven*

**CALC**

What are local extrema?
*Sunday, December 9, 2007 at 9:08am by Britt*

**calc**

find dy/dx when x = csc y
*Tuesday, December 11, 2007 at 8:09pm by joo*

**math calc.**

Differentiate g(x)=x^(2^1/2)+(x^3/2^1/2)+e^(2^1/2)+(2e^x)^1/2
*Wednesday, July 9, 2008 at 1:07am by nam*

**pre-calc**

how do i solve this w(4-w^2)=8-w^3
*Wednesday, August 27, 2008 at 9:11pm by jared*

**Pre Calc**

the domain of g(x)=x^3-2x-1
*Monday, October 6, 2008 at 10:13pm by Crystal*

**calc**

Integral from 1 to 3 of ( 19 + 2x - 20x ) dx thanks
*Monday, November 10, 2008 at 4:38pm by Michael*

**pre-calc**

what does this simplify to: f(x)=x/(x+4)^(1/5)-2
*Sunday, January 4, 2009 at 10:15pm by Allie*

**Calc**

How do I evaluate lim as h->0 [5((1/2)+h)^4 - 5(1/2)^4]/h
*Tuesday, January 6, 2009 at 1:59am by Nick*

**calc**

derivative of f(x) = x/(sqrt(x^2-4))
*Friday, February 6, 2009 at 1:24pm by me*

**pre calc**

f(x)=1/x+2 how do i solve this
*Monday, September 21, 2009 at 9:47pm by Anonymous*

**Calc**

If x2 + y2 = 100 and dy/dt = 3, find dx/dt when y = 8.
*Sunday, November 8, 2009 at 10:04pm by Bryan*

**calc**

differentiate y=3^xlnx
*Wednesday, December 2, 2009 at 6:05pm by jackie*

**Pre Calc**

please h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 2 5 7 6 7
*Monday, December 7, 2009 at 6:27pm by Jo*

**AP CALC**

derivative of y= x^2 sin x
*Thursday, December 10, 2009 at 4:12pm by Natasha *

**calc**

Solve the inequality x^2 + 7x + 12 < 0.
*Monday, February 8, 2010 at 8:05pm by sara*

**Pre-Calc**

f/g=? Given that f(x)=x^2-9 x and g(x)=x + 14
*Wednesday, February 17, 2010 at 8:25pm by Channing*

**Calc 3**

What is the laplace transform of: f(t) = 0, 0<t<2 t, 2<t thanks!
*Friday, February 26, 2010 at 6:05pm by Michael*

**calc 3**

what is the y-particular of: y"-2y'+2y=(e^t)(sin(t))
*Monday, March 22, 2010 at 1:52pm by Michael*

**Calc**

if the integral ( [ ) ([ f(t) ,t, 0, 8) = k Find [ (3x^2f(x^3), x, 0, 2)
*Tuesday, May 4, 2010 at 2:40pm by Lucy*

**Calc II**

Integrate 3/(Sqrt x^2-16) dx
*Saturday, June 26, 2010 at 8:07pm by Scott*

**Pre Calc**

Solve for x: |4x+6|-|2x-1|<5
*Wednesday, September 1, 2010 at 4:06pm by Katie S*

**Pre Calc**

Simplify: n!-(n-1)! --------- (n-1)!
*Wednesday, September 1, 2010 at 4:15pm by Katie S*

**Pre Calc**

Solve for A and B if: 1 A B ----- = --- + --- k(k+1) k k+1
*Sunday, September 12, 2010 at 6:42pm by Lauren*

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