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April 23, 2014

Search: Pre-Calc-Please check my answer-I think its correc

Number of results: 89,825

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

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

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
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 !
welcome!
Sunday, December 2, 2012 at 9:53pm by Reiny

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

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

Pre-Calc-Please check
Yes!
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

Pre-Calculus
Can you show me how to find the rectangular equation: r=2cos(theta) + 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 7:49pm by Leah

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

Pre-Calc
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

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

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

PRE-CALC
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

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

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

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

pre-calc
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

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

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

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

pre-calc
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

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

Pre-Calc
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

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

Pre-calc
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

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

PRE CALC
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

Pre-Calc
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
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

PRE-CALC still stuck
Pre-cal? V=kT V=kr^2 I=V(1/R)
Sunday, October 18, 2009 at 5:55pm by bobpursley

pre calc
A pre-calculus answer is -0.64 + kπ radians, where k∈ℤ.
Monday, January 25, 2010 at 8:11pm by MathMate

Pre-Calc
pre caculates is the ansewer to above is 25545872
Saturday, October 3, 2009 at 11:19am by Anonymous

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

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

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
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

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

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

Calculus grade 12 exam review PLEASE HELP ASAP !!
THANK U! to be honest i really hate calculus and i didnt really pay attention in the course. im going into kin (of arts) so its a pre-req but i wont be taking any math or calc courses in university, i dont know why its a pre req then. but thanks u so much
Thursday, June 21, 2012 at 3:52pm by Sarah Berkley Adamson

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

pre-calc
(1+tan x)^2= 2 tan x+2 please show all work
Tuesday, November 20, 2012 at 3:20pm by Haley

Pre-Calc-Please check answer
Should be sigma sign not signma sign
Thursday, December 15, 2011 at 8:44pm by Sandra

Pre-Calc-Please check my answer
I did do it the long way-you way is much simpler Thank you all
Tuesday, September 6, 2011 at 8:12pm by Sheila

Pre Calc
sigh...sorry I'm so lost...we are not actually going over this know in school, this is just a practice problem, so yeah if you could please explain again? thnaks
Thursday, December 17, 2009 at 7:51pm by jake

pre calc
since you are asking about trig functions, it would be logical to assume that you can find the definitions. csc A = 1/sinA if that's difficult, please review your algebra I.
Thursday, January 12, 2012 at 8:02pm by Steve

pre-calc helpppp
Evaluate the expression under the given conditions (show steps please) sin(/2); tan = − 5 / 12 , in Quadrant IV
Saturday, April 21, 2012 at 7:42pm by John

PRE CALC PLEASE HELP!!!!!!!!
find the solutions of the equation that are in the interval [0,2pi) 2-cos^2x=4sin^2(1/2x)
Thursday, November 4, 2010 at 11:15pm by Hayli

Pre-Calc
I am seeking help with this problem Please...Thank you! Find the point on the line y=x+3 in the xy-plane that is closest to the point (3, 2)
Tuesday, December 7, 2010 at 8:55pm by Roy

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

Pre-Calc-reiny please recheck
Thank you for showing me the second one-just one question-is #1 correct the way I did it? Thank you
Sunday, September 18, 2011 at 5:03pm by Elllie

Pre-Calc-Please check
1. is correct 2. is correct
Monday, January 9, 2012 at 8:23pm by Ben

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
write the form of the partial decomposition for the given rational expression. Don't solve for constants: 8x+10/x^2+7x-18 please show work!
Thursday, May 12, 2011 at 2:22am by esora

Pre-Calc-Please check my answer
Alison, I am sure Sheila was trying to do it by completing the square. Note taking half of the coef. of x and squaring it. Factoring is too easy.
Tuesday, September 6, 2011 at 8:12pm by Damon

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

Pre-Calc help NOW PLEASE!!!
Evaluate the expression under the given conditions. tan(A+B); cosA=-1/7, A in quadrant 3, sinB=1/2, B in quadrant 2.
Wednesday, April 18, 2012 at 3:33pm by Josh

Pre Calc
find the magnitude and direction angle of the vector v, v=-2i+5j please help i have no idea how to do this. could you show me step by step?
Wednesday, June 2, 2010 at 10:13am by Nate

Pre-Calc
I'm so stuck-this stuff is so far above me right now-Please help (3x^3-5^2+6x-9)/(x+5) or can someone direct me to a site that can solve this and show the steps-I don't even know where to start Thank you
Friday, September 9, 2011 at 10:25am by Jonah

Pre-calc PLEASE HELP!
Could you tell me why you squared those numbers? Is there a formula? If I was doing sin instead, would 1^2 +y^2=√6^2 be in a different order? Also how did you get the 5? Isn't the square of 6 to the second power just 6?
Friday, December 9, 2011 at 11:30am by Jill

PRE-CALC
Determine the domain of the following function: f(x)=sqrt x-7/x^2-5x-6 I think the domain is [7,all real numbers) Can you please tell me if this is correct?
Monday, September 21, 2009 at 8:41pm by MUFFY

Pre-Calc
I am stuck solving this problem, any help please..Many thanks find all numbers x that satisfy the given equation ln(2x) ------- =2 ln(3x)
Thursday, December 9, 2010 at 1:08am by Roy

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

Pre-Calc
Use the fundamental identities and appropriate algebraic operations to simplify the expression. cosx / (1+sinx) Answer: secx Can someone please assist as to how I get to the answer?
Thursday, April 28, 2011 at 9:11pm by Lizette

Pre-calc
If llull=1 and llvll=3, and the vectors maek angles of 170 degrees and 130 degrees with the x-axis respectively, find the component form of the sum of u and V. Please help thanks!
Monday, February 13, 2012 at 11:32pm by Casandra

Pre-Calc
Please help me solve these two equations!! Divide and express as a polynomial: 12a^8b^5 - 9a^14b^15 + 6a^6b^10 _____________________________________ 3a^2b^5 Simplify: a/b - b/a __________ a-b/b
Wednesday, November 27, 2013 at 9:15pm by Maggie

pre-calc
Bobpursley already answered your question. What is it that you do not understand about his answer? Also -- please don't keep posting the same question -- even under different names.
Friday, May 29, 2009 at 6:40pm by Ms. Sue

Pre-CALC
Can anyone help me with this problem step by step please... Find the area inside the ellipse in the xy-plane determined by the given equation x^2 y^2 ____ + ___ =1 10 25
Tuesday, December 7, 2010 at 9:09pm by Amy

Pre-Calc
Simplify the difference quotient [f(2 + h) − f(2)]/h ; if h ≠ 0. f(x) = x2 − 3x I keep getting the answer wrong. I must be messing up my steps...Please Help
Monday, January 20, 2014 at 11:59pm by Kerri

pre calc
This is a long, long way from pre-calculus. 2,4 is in quadrant I when on any axis, it is not in a quadrant. In the case of 0,3 it is on the border between quadrants I,and II.
Thursday, September 10, 2009 at 5:40pm by bobpursley

Pre-calc
Pre calculus? This is stock Algebra II. put the equations in the form of ax^2+bx+c=0 then factor. for instance, c is already in that form. 2x^2+x-6=0 (2x-3)(x+2)=0 x= 3/2 x=-2 do the others the same method.
Monday, January 25, 2010 at 5:18pm by bobpursley

Pre-Calc
I have to solve these using matrices by hand. Can someone please help me? 2x-3y-2z=4 (1/4)x-(2/5)y+(3/4)z=(-1/3) -2x+1.3y-3z=5 Thank you so much! :)
Monday, December 3, 2012 at 2:41am by Tori

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

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

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

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

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

PRE-CALC
:) Thanks!
Sunday, September 20, 2009 at 9:01pm by MUFFY

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

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

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