Monday

April 21, 2014

April 21, 2014

Number of results: 4,847

**pre-calc**

oops! don't know why I put AP Calc, it's actually pre-calc....
*Friday, September 18, 2009 at 8:52pm by muffy*

**ap calc**

OOPS, I meant Pre-Calc not ap Calc sorry
*Saturday, October 10, 2009 at 2:45pm by MUFFY*

**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*

**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*

**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*

**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*

**Pre-Calc/Calc**

Looks like C to me
*Wednesday, April 17, 2013 at 11:05am by Steve*

**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*

**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*

**Maths**

You can graph it, if you calc is a graphing calc. graph y=x^2+8x+5, where it crosses the x axis, is the solutions.
*Thursday, September 17, 2009 at 6:00pm by bobpursley*

**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*

**Math**

It is math, i take a pre-calc/calc class. sorry!
*Sunday, September 28, 2008 at 4:49pm by sam*

**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*

**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/Calc**

Looks like D to me. sin u + sin v = 2 sin(½(u+v)) cos(½(u−v))
*Wednesday, April 17, 2013 at 11:12am by Steve*

**last calc question, i promise!**

ALSO ALSO ALSO - on my first calc question (a couple posts down!), i added more to the problem that i forgot, so i need help with that too.
*Friday, February 20, 2009 at 12:26am by jane*

**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*

**algebra 2**

take the antilog of each side: x=antilog 2.4 = 10^2.4 Put this in your calc, or in the google search window (google calc) 10^2.4
*Sunday, March 23, 2008 at 7:44pm by bobpursley*

**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*

**math**

ln x=44/12 x=e^(44/12) [put that in your calc, or in the google search window (google calc).
*Sunday, March 23, 2008 at 8:06pm by bobpursley*

**Calc or Pre calc**

To get the definite integral subtract the value of the indefinite integral at x=2 from the value at x=5. The arbitrary cnstant c will cancel out. The indefinite integral is x^4/4 - x^2 + C. The definite integral is (625/4) - 25 -[16/4 - 4].
*Wednesday, May 14, 2008 at 9:42pm by drwls*

**geomtrey**

Handy trig calculators can be found at http://www.rapidtables.com/calc/math
*Friday, February 15, 2013 at 2:12pm by Steve*

**Math for liberal arts**

a handy calculator that works in multiple bases can be found at http://ostermiller.org/calc/calculator.html
*Thursday, August 30, 2012 at 4:42pm by Steve*

**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*

**geometry**

first off, trig functions are just numbers. they have no units (such as meters). Maybe those little m's are meant to be ° symbols. If sin(x) = 8/32, x = 14.48° did you visit the trig site I provided? http://www.rapidtables.com/calc/math
*Friday, February 15, 2013 at 3:57pm by Steve*

**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*

**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*

**Solving system of linear equations**

http://math.la.asu.edu/~kolossa/119/calc.html
*Sunday, February 22, 2009 at 5:55pm by bobpursley*

**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*

**Calculus II**

http://marauder.millersville.edu/~bikenaga/calc/parts/partspf.html
*Tuesday, February 24, 2009 at 2:43pm by bobpursley*

**Geometry**

Handy trig calculators can be found at http://www.rapidtables.com/calc/math just plug in your value for 22 degrees, get the sine, and then multiply by 11. Hard to believe that someone with access to a computer can't figure out how to get some calculations made. Heck, google ...
*Friday, February 15, 2013 at 11:34am by Steve*

**Physics**

first calc: hf=hi+vi*t-4.9t^2 second calc: hf=hi-4.9(t-2)^2 0=40+vi*t-4.9t^2 0=40-4.9(t-2)^2 well, two equations, two unknowns. start the with the second, solve for time, then put that into the first equation and solve for vi.
*Friday, November 12, 2010 at 1:31pm by bobpursley*

**geometry**

or http://www.rapidtables.com/calc/math/Arctan_Calculator.htm
*Thursday, January 12, 2012 at 1:03pm by Damon*

**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*

**Math**

mosey on over to http://www.rapidtables.com/calc/math/Arctan_Calculator.htm
*Thursday, February 28, 2013 at 11:32pm by Steve*

**Calc**

how do I do this?
*Sunday, December 9, 2007 at 6:41pm by Britt*

**Calc**

Thank you.
*Thursday, September 10, 2009 at 5:58pm by Katie*

**Calc**

Thank you!
*Monday, October 26, 2009 at 3:10am by Patrick*

**Calc**

Thank you!
*Sunday, November 8, 2009 at 7:47pm by Lee*

**calc**

1 - 1/x
*Sunday, November 22, 2009 at 12:31pm by Reiny*

**Calc :)**

You are welcome!
*Wednesday, February 24, 2010 at 5:52pm by MathMate*

**CALC :)**

You're welcome!
*Saturday, May 29, 2010 at 8:34pm by MathMate*

**calc**

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

**calc**

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

**Calc**

0 and 1
*Wednesday, December 2, 2009 at 1:10pm by derek*

**Calc 2**

y=... or r=...?
*Monday, April 18, 2011 at 1:24pm by Mgraph*

**Calc 3**

with .... ?
*Wednesday, July 13, 2011 at 7:45pm by Reiny*

**Calc**

yes
*Wednesday, October 12, 2011 at 7:10pm by in the same class*

**calc**

what is h?
*Wednesday, December 28, 2011 at 5:43pm by Eliza *

**Calc**

Thanks!
*Friday, January 20, 2012 at 7:34pm by Kris*

**calc**

thanks
*Thursday, March 29, 2012 at 8:40am by naseba*

**calc**

thanks!
*Sunday, July 15, 2012 at 2:04pm by Anonymous*

**Calc**

Thanks!
*Wednesday, July 18, 2012 at 3:11am by Jim *

**Calc 3**

thank you!!!!!!
*Saturday, September 22, 2012 at 5:04pm by Becky*

**Calc**

(B)
*Friday, April 26, 2013 at 11:59am by Steve*

**Calc.**

a
*Tuesday, March 2, 2010 at 9:40pm by Alex*

**Calc**

hi
*Sunday, November 8, 2009 at 7:47pm by Anonymous*

**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*

**chemistry**

pi = MRT Convert ug vitamin B12 to mols mols = grams/molar mass. Then mol/L = M and substitute into the first equation and solve for pi in atm. Here is a site to convert atm to H2O. http://www.aqua-calc.com/convert/pressure/atmosphere
*Monday, February 25, 2013 at 2:32am by DrBob222*

**pre calc**

I assume you wont have a double side on the adjoining sides. If you do this, you have 102 m of perimeter, to do 3 widths (two ends and center fence), and 2 lengths. Area= lw P= 3w+2L or L= 1/2(102-3w) Area= 1/2 w(102-3w) This is easy in calc, but I assume you are not there ...
*Sunday, January 20, 2008 at 5:53pm by bobpursley*

**Calc**

But how is it -4, I am confused
*Sunday, November 25, 2007 at 8:20pm by Ben*

**Calc.**

yes....f(a+h)-fa)/h
*Monday, July 14, 2008 at 1:26pm by Derek*

**pre calc**

its 2.4
*Monday, January 21, 2008 at 11:59am by Julie*

**calc**

So yes, we agree.
*Sunday, January 27, 2008 at 4:00pm by Damon*

**calc**

rjpijrt
*Friday, December 8, 2006 at 3:06am by Anonymous*

**More Calc**

(6/3) x^3 + 5 x at 5 - at 0
*Wednesday, May 14, 2008 at 6:12pm by Damon*

**Calc.**

THANKS!!! You ROCK!!!
*Wednesday, July 2, 2008 at 8:13pm by Derek*

**Calc**

Wow thank you
*Wednesday, July 30, 2008 at 7:16am by Emily*

**PRE CALC**

THANK U
*Sunday, October 5, 2008 at 7:12pm by Karren*

**PRE CALC**

Yes.
*Sunday, October 5, 2008 at 7:12pm by bobpursley*

**calc**

Yes, that is d A / d theta
*Sunday, October 26, 2008 at 5:39pm by Damon*

**calc**

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

**Calc**

Thanks for the help, I know what to do now. :D
*Tuesday, January 6, 2009 at 1:59am by Nick*

**CALC**

no one to help me?????
*Tuesday, February 3, 2009 at 11:45pm by josh*

**pre calc**

okay thanks
*Monday, February 9, 2009 at 11:44am by kate*

**math calc**

thank you
*Friday, March 27, 2009 at 3:06pm by Manny*

**math calc**

hi
*Friday, March 27, 2009 at 3:06pm by Anonymous*

**pre calc**

yes!
*Tuesday, March 31, 2009 at 8:19pm by Reiny*

**Calc**

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

**pre-calc**

and "c"?
*Monday, May 25, 2009 at 10:40pm by Anonymous*

**Pre Calc**

How did you get n?
*Wednesday, August 26, 2009 at 11:37am by Megan*

**Pre Calc**

How did you get n?
*Wednesday, August 26, 2009 at 11:37am by Megan*

**pre calc**

thank you!
*Sunday, August 30, 2009 at 3:30pm by gab*

**pre calc**

1,2,3,...
*Tuesday, September 8, 2009 at 6:09pm by bobpursley*

**pre calc**

is 4,5, and 6 as well
*Tuesday, September 8, 2009 at 6:09pm by jaz*

**Calc**

where did you get f(x)=2x??
*Thursday, September 10, 2009 at 5:56pm by Katie*

**Calc**

Got it, thanks :)
*Sunday, September 20, 2009 at 10:01pm by sh*

**PRE-CALC**

:) Thanks!
*Sunday, September 20, 2009 at 9:01pm by MUFFY*

**Calc**

zero
*Monday, September 21, 2009 at 1:05am by Anonymous*

**Pre-Calc**

Ok thanks.
*Thursday, September 24, 2009 at 8:59pm by MUFFY Question has been fixed*

**Pre-Calc**

You're welcome!
*Thursday, September 24, 2009 at 8:59pm by MathMate*

**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**

what will i do for f(b) in problem c
*Sunday, October 4, 2009 at 2:41pm by kim*

**calc**

I got it, thanks :)
*Wednesday, October 14, 2009 at 11:05pm by sh*

**calc**

Great!
*Wednesday, October 14, 2009 at 11:05pm by MathMate*

**PRE-CALC**

Thanks :D
*Friday, October 16, 2009 at 10:49pm by Muffy*

**pre calc**

What is x^2+y^2=4
*Thursday, October 29, 2009 at 6:14pm by bobpursley*

**calc**

But isn't it supposed to be 2/x^3 - 2/(x-2)^3?
*Sunday, November 1, 2009 at 8:18pm by Freddy*

**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*

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