April 18, 2014

Search: Calc-please help!

Number of results: 84,678

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

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

Well i can't seem to figure out the intersection on my calc. please help.
Monday, October 19, 2009 at 4:09pm by please help(:

Calc.. 6 minutes left last question please!!
Friday, January 17, 2014 at 11:34am by kaa

The total area enclosed by the graphs of y=10x^2-x^3+x y=x^2+19x Please Please help me solve this. I have done it amny times, but getting it wrong
Tuesday, January 25, 2011 at 10:43pm by John

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

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

oh! ok! thank you! so then m=6 and the equation of the tangent line would be y=6x Thank you!
Tuesday, September 14, 2010 at 2:41pm by calc

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

pre-calc HELP PLEASE
solve using identities for all angles (dont use multiple angle method)show work please cuz i am so confused. 2sin2x-3sinx=0
Tuesday, April 24, 2012 at 7:01pm by Kimberly

integral (x^2+x-1)/(x+1) dx can you please explain maybe not step by step but not just the answer please thanks
Thursday, January 24, 2013 at 6:15am by kmac

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

pre-calc help please !
thank you !!!!
Sunday, December 2, 2012 at 9:53pm by Monica

pre-calc help please !
Sunday, December 2, 2012 at 9:53pm by Reiny

pre calc
please help!!!!
Friday, September 13, 2013 at 6:05pm by charlotte

construct an isoceles triangle with an area of 100. what is the length of the base of the triangle which has the smallest perimeter? Prepping for a test, explanations please
Thursday, December 9, 2010 at 6:43pm by C-help please asap

Pre Calc
Simplify (n+1)!/(n-1)! Help please?
Sunday, March 15, 2009 at 9:24pm by MW

Sorry Ignore
Thursday, December 9, 2010 at 6:43pm by C-help please asap

Pre-Calc-Please check
Tuesday, January 10, 2012 at 11:09am by drwls

Pre-Calc Help!!!!!!!!!!!!!!!!1
can someone help me please????
Sunday, April 15, 2012 at 9:48pm by John

calc Urgent please
Tuesday, May 11, 2010 at 11:20pm by bob

calc Urgent please
Tuesday, May 11, 2010 at 11:20pm by bob

Pre-Calc-please check
please delete last two lines-that was just my work I calculated- it shouldn't e there actual answer is 243a^5-810a^4b + 1080a^3b^2 -720a^2 b^3 + 240ab^4-32b^5
Wednesday, January 4, 2012 at 12:54pm by Bethany

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
Please show your attempt.
Wednesday, May 14, 2008 at 6:51pm by Damon

Calc. Repost- Please Help
I'm just as confused!
Wednesday, October 13, 2010 at 12:50am by CMM

Algebra II-Please check calc
1) yes 2) yes
Wednesday, April 6, 2011 at 11:13am by bobpursley

Can someone please answer this?
Saturday, September 10, 2011 at 2:20pm by Anonymous

Pre-Calc-please check
Thank you for checking
Wednesday, January 4, 2012 at 12:54pm by Bethany

where did you ge the 7/6?
Thursday, September 27, 2012 at 10:51pm by Ms. Sue please help!

find the limit as t approaches x of ((1/t)-(1/9))-(t-9).. help please thank you
Sunday, February 10, 2013 at 1:10pm by Anonymous

integrate 1/(1+(e^-x)) please provide steps
Wednesday, May 1, 2013 at 10:13pm by Anonymous

The linear approximation at x = 0 to f(x) = \sqrt { 3 + 3 x } is y = Please Help!
Monday, August 5, 2013 at 9:14am by Anonymous

Help please!! For pre-calc
Logx16=-2 how do you solve this?
Tuesday, December 10, 2013 at 8:47pm by Anonymous

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

please help; calc
when you plug it in the original eqn. it doesn't work
Wednesday, November 12, 2008 at 8:01pm by stephanie

Pre Calc
Please disregard, I found your answer.
Thursday, September 10, 2009 at 8:34pm by muffy

Can you please explain the x-2 and x+1, I'm not sure how you got that.
Friday, October 16, 2009 at 10:01pm by Muffy

Pre calc
Please finish y+7=6/7x-30/7
Friday, January 25, 2013 at 12:54am by Joe

Please someone help with my pre calc question!
Monday, February 11, 2013 at 9:20pm by Anthony

Extrema-Calc- Repost
Not sure how to get started. please help?
Wednesday, May 15, 2013 at 12:47am by Eric

Help please!! For pre-calc
The answer I think is wrong
Tuesday, December 10, 2013 at 8:47pm by Anonymous

pre calc
I'm not quite sure what you mean. Can you please elaborate
Saturday, October 24, 2009 at 3:51pm by Muffy

Calc - Please help
s= integral v(t) s= INT 8t^3 dt= 2t^4+ s(0)
Sunday, December 19, 2010 at 1:34pm by bobpursley

Do you know how to do any of the requested items? Please post what you can do for checking.
Saturday, January 22, 2011 at 7:00pm by MathMate

calc- please help im so confused
differentiation & related rates
Sunday, January 1, 2012 at 4:51pm by lilly

cosx/(1+secx) Please help me simplify this expression.
Thursday, November 1, 2012 at 6:34pm by Gaby

Integrate 1/(ln(x)); f(e^e)=1 please provide step! confused because of f(e^e)!
Wednesday, May 8, 2013 at 8:54pm by Sunny

Pre-Calc - incomplete
no diagram. more text, please.
Tuesday, October 1, 2013 at 12:42am by Steve

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

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

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 (please explain)
How do you know that it is supposed to have an a in front?
Sunday, November 15, 2009 at 9:30pm by Bob Dylan

Can someone please show me how to find the integral of sin squared x?
Sunday, February 27, 2011 at 4:59pm by lo

Can you someone please help me with this question??? Simplify cot(x + pi)
Sunday, May 22, 2011 at 4:16pm by Emily

cos x+sec x=2 if you could please show all work
Tuesday, November 20, 2012 at 3:15pm by Haley

Help please!! For pre-calc
A negative cant cHange to a positive without doing anything
Tuesday, December 10, 2013 at 8:47pm by Anonymous

Calc help - check rest of answers, please?
Nevermind, I figured them out! :) Thank you!
Thursday, December 19, 2013 at 9:25pm by Samantha

Calc 3
can you please explain to me where you got the numbers for T(-1,1,2) I know you did the cross product but I can not seem to get the same numbers as you. Please explain
Thursday, September 27, 2012 at 8:48pm by Becky

Determine the solution. x^2=|x|algebraically I have no idea how to proceed with this. Can you please help?
Saturday, September 26, 2009 at 12:01pm by MUFFY

Math: Pre-Calc
I don't quite follow the last three lines. Could you please explain?
Friday, November 6, 2009 at 12:36pm by Angelina

What is the equation of the tangent line of the one-family of curve x^2 + y^2 = 25 at P(4, 3) ?? help please
Monday, December 14, 2009 at 9:04am by Janice

pre calc
Simplify- (x^2+2x)/(x^2-x) *I got x(x+2) for the numerator and I couldn't get the denominator, but it was wrong help please
Tuesday, February 23, 2010 at 11:21pm by Karissa

CALC - from Jessica
Please, keep the same name when posting on Jiskha.
Saturday, August 13, 2011 at 9:12pm by Ms. Sue

Calc..Help Please
I get the same derivative. You can post your numerical answer for a check if you wish.
Monday, February 20, 2012 at 6:12pm by MathMate

Could you possibly elabarate a little on to how you got those numbers please :) thanks you!
Monday, April 9, 2012 at 1:42pm by Maya

Calc help - check rest of answers, please?
Thank you so much! I'm getting number 7 as .9%, correct?
Thursday, December 19, 2013 at 9:25pm by Samantha

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

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
area of triangle XYZ given:side z=11 side x=7 and side y=13 what are the angles and area please? please explain
Thursday, December 8, 2011 at 5:07pm by jim

Calc. Help Please.
Find the value of the definite integral using sums, not antiderivatives: int= integral sign int((x + 2)/(x^(3/2)),x= 16..25)dx Please help... even just showing me how to get started would be greatly appreciated.
Tuesday, April 5, 2011 at 7:23pm by CM

AP Calc
PLEASE ANSWER! PLEASEEEE! what is the antiderivative of sin (x + (1/x)) THANK YOU TIMES A MILLION!!!!
Monday, January 3, 2011 at 6:42am by APpreciative student

please help me solve this partial-fraction decomposition! 12x-57/(x-3)(x-10)
Sunday, May 15, 2011 at 11:32pm by esora

Pre-Calc-Please check my answer
I believe you are trying to factor the polynomial. so x^2 -4x+3 (x-1)(x-3) =0 x= 1,3
Tuesday, September 6, 2011 at 8:12pm by ALISON

Please help me with this problem-I'm stuck (x-2)/(x+2) = (x+10)/x I'm not even sure where to start-Thanks for any help you can provide
Sunday, September 18, 2011 at 1:34pm by Josh

Pre-Calc-Please check answer
Thank you-I see where I made the mistake Funny!! I like that!
Thursday, December 15, 2011 at 8:44pm by Sandra

Pre-Calc-Please check my answer
Please help-I'm stuck really bad Thank you for any help you can provide What are the roots of the equation x^2 -4x + 3 = 0 x^2 - 4x = 3 x^2 +2(-2)x + -2^2 = -3 = -2^2 x^2 + -4x + 4 = 1 (x + -2)^2 = 1 qrt (x+-2)^2 = sqrt 1 x+-2 = plus or minus 1 therefore x=1 x=3 roots are 1 ...
Tuesday, September 6, 2011 at 8:12pm by Sheila

Pre Calc
In triangle ABC, b=14, c=15, and cos a= 3/5. Find a)side a b) Sin B Help please?
Monday, April 13, 2009 at 9:16pm by MW

Pre-Calc-Please check my answer
You did this about the most difficult way. Consider: x^2-4x-3=0 (x-1)(x-3)=0 x= 1, or 3
Tuesday, September 6, 2011 at 8:12pm by bobpursley

I'm in AP calc. We still didnt learn what descartes rule is.. Can you be more explisive please?
Saturday, November 5, 2011 at 10:28pm by Yoona

x^(-1/7)=(1/2) Please help the example given was x^(-1/7)=(1/5) so that solved x=78,125. but i have no idea what to do thanks!
Thursday, April 5, 2012 at 7:28pm by Rochelle F

Math, Pre Calc
Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)
Wednesday, September 5, 2012 at 3:21pm by Nikki

I've already helped you twice. Please try some on your own, you obviously need the practice.
Wednesday, December 19, 2012 at 9:32pm by PhysicsPro

Use a linear approximation (or differentials) to estimate the given number. Tan 44 degrees Please help.
Monday, November 15, 2010 at 10:15pm by Chelsea

Can someone show me how to do this please. I am stuck. find a number x such that e^2x – 12e^x =13
Thursday, December 9, 2010 at 1:16am by Roy

Pre-Calc-Please check
Number three should read p/q = not p/a Thank you for letting me know the first two are correct
Monday, January 9, 2012 at 8:23pm by Julia

Calc 3 PLEASE HELP!!!!
no you have to use lagrange multipliers to do it and i figured out all five equations but i can not solve any of them
Thursday, October 4, 2012 at 7:57pm by Becky

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

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

My other questions I didn't understand what e was either. My calculator does not allow me to perform the function that you told me. Please further explain.
Tuesday, July 15, 2008 at 12:12pm by Derek

Pre Calc
lim x approaches 0 [1/x *((1/(sqrt(1+x))-1)] It will be easier to understand if you write it out.. How would I algebraically do this? (The answer is -1/2) Help please?
Wednesday, March 18, 2009 at 8:32pm by MW

How do I find the derivative of x^ (1/(x-1)) is it (1/(x-1)) x^[1-(1/(x-1))] * (-1/ (x-1)^2) ?? If not, can you please write out what rule I should use? Thank you very much!
Saturday, September 18, 2010 at 6:27pm by APpreciate student

college calc
can you please help me with this one problem i am supposed to fine the intercepts of the graph of the equation. 16y^2=120x-225
Sunday, January 30, 2011 at 11:14pm by bren

Pre-Calc-Please check my answer
x^2 -4x + 3 = 0 factor (x-3)(x-1) = 0 x = 3 or x = 1 or complete the square as you tried x^2 -4 x = -3 note sign change of 3 x^2 - 4 x + 4 = -3 +4 = 1 (x-2)^2 = 1 x = 2 +/- 1 x = 1 or x = 3
Tuesday, September 6, 2011 at 8:12pm by Damon

ex: Find the indicated derivative using implicit differentiation. e^x/y^2= 8 + e^y; dy/dx Please I need help and thank you very much!
Sunday, October 2, 2011 at 8:40pm by Ed

Calc Help :(((((
Find the derivative of the following function showing your work and fully simplifying your answer. Show steps please! Thank you!!!!!! f(x)=(x+3)^3(x-8)^5
Wednesday, March 12, 2014 at 9:44pm by Kim

Calc Help
q=(1000/p+1)^2 - 1 find q' Please help. Question on review sheet. I will be glad to help you, or critique your work. What do you think the way to solve it is>
Tuesday, May 1, 2007 at 10:28pm by Evan

calc- please help
given x=2cos(t)+t*sin(t) and y=2sin(t)-t*cost(t), with t:[pi, 2pi] find all critical values. (4 answers)
Sunday, May 20, 2007 at 10:08pm by Mischa

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