Search: calc check please?

Number of results: 99,454

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

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

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

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

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-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
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 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

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-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

calc: avg value
Find the average value of the function "f(x) = x^2 sqrt(1+x^3)" on the interval [0,2]. and this is what i did.. please check for mistakes. thanks :D f(x) = x^2 sqrt(1+x^3), [0,2] f ave = (1/(b-a))*inegral of a to b for: f(x) dx f ave = (1/(2-0))*integral of 0 to 2 ...
Monday, July 2, 2007 at 2:58pm by COFFEE

Pre-Calc
Please check answer and help with one of them: 1. check please car in an accident speed of car is the s, d is length of skid=30 feet f is coefficient=0.5 use formula to find s=sqaure root of 30*f*d My answer is 21.21 because I took square root of 30(0.5)(30) 2. this one is ...
Sunday, September 18, 2011 at 5:03pm by Elllie

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...
Tuesday, September 6, 2011 at 8:12pm by Sheila

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
1. is correct 2. is correct
Monday, January 9, 2012 at 8:23pm by Ben

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-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-please check
Please check this for me expand (3z-2b)^5 using Binomial Theorem (a+b)^n = n on top sigma in middle k=0 to right (n/k)a^(n-k)b^k (3a-2b)^5 = 5 on top sigma in middle k=0 on bottom(5/k)(3a)^5-k(-2b)^k (5/0)(3a)^5(-2b)^0+(5/1)(3a)^4(-2b)^1 +(5/2)(3a)^3(-2b)^2 +(5/3)(3a)^2(-2b)^3...
Wednesday, January 4, 2012 at 12:54pm by Bethany

calc check please?
Given the differential equation: dy/dx = y(1+x), y(0)=1, Use Euler's method with step size .1 to approximate y(.3). ... please check this for me! no one has responded to this question yet.. thanks. y' = y(1+x), y'(0) = 1(1+0)=1 ->the solution has slope 1 at ...
Monday, July 2, 2007 at 3:30pm by COFFEE

language art CHECK
Will somebody please check this for me and see if i used the words correctly please? Having spent many years as political opponents, the two senators have developed a(n)MUTUAL respect for each other. Please check if it is correct. thank you
Tuesday, January 17, 2012 at 8:51pm by saranghae12

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

physics
Deceleration: 16 = 20 + Ta 16 - 20 = 10a a = -0.4 m/s2 Braking force = 300 X 0.4 = -120 N Please check the above calc and give comments!
Sunday, November 21, 2010 at 5:17pm by Raymond

calc check
<<y=(1/A)*integral from a to b of: (1/2)[f(x)]^2 dx >> If that is the y value of the center of mass, I don't know why the factor (1/2) is there I also don't agree with your calculation of the x value, which should be 1/(ln 2). I agree with ...
Friday, June 29, 2007 at 6:52pm by drwls

Pre-Calc-Please check
Is this correct? Using Rational Roots Theorem, list all possible rational root of f(x) = 2x^3 - 3x^2 + 5x+6 Possible roots are p/a = -+1, -+2, +-3, -+6. -+3/2
Tuesday, January 10, 2012 at 11:09am by Julia

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

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 trig check my work please
not quite, but you are close (sinx + cosx)/sinx = sinx/sinx + cosx/sinx = 1 + cotx you left out the "1"
Wednesday, October 20, 2010 at 11:32pm by Reiny

English check please I've corrected it again
4.enhance 5.discern Please check. If its not correct can you give me anotther hint please.
Wednesday, September 14, 2011 at 1:12pm by ME

Pre-Calc-Please check I'm desperate
Please check my answers I really need to do my homeowrk!;This are polar coordinates we're studying-I'm almost positive the first two are correct. 1.Which of the folowing is another representation of (-3,pi)? (3,120degree) (3,0 degree)I think it is this one?? ((-3,0 ...
Tuesday, September 27, 2011 at 9:20pm by Jonathan

Calc
P'=-2p+33(p-9+100)+1(-p^2+33p+9)=0 I didn't check that to make certain the derivative is correct. But if it is, gather terms, and -p^2+ (-2+33+33)p + 3300 +9=0 check that. Now use the quadratic equation to find the values of p that solve it.
Sunday, November 25, 2007 at 1:46pm by bobpursley

Pre-Calc-Please check my answer-I think its correc
Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 ...
Wednesday, September 7, 2011 at 1:47pm by Sheila

calc
I will do the first... y'= -2/x^3 - dy/dx (1/(x-2)^2)= = -2/x^3 +2/(x-1)^3 check that.
Sunday, November 1, 2009 at 8:18pm by bobpursley

MATH!
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
Check using the following formula: (5^g(x))'= (ln5)*(5^g(x))*(g'(x))
Wednesday, July 18, 2012 at 6:06pm by Jean

Pre-Calc-Please check
1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2. Find the 10th term of the sequence -1/5,-1/20,-1/80 this was a geometric sequence so I said a(subscript10) = -1/5*1/4^(10-1) =-1/5*(1/4)^9 = -1/5*1/2621444 = -1/1310702
Thursday, December 15, 2011 at 6:10pm by Sandra

physics repost
Thinking is correct. I didn't check calc work.
Friday, April 4, 2008 at 12:08pm by bobpursley

Pre-Calc-Please check my answer-I think I have it
Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 ...
Wednesday, September 7, 2011 at 4:07pm by Sheila

Math 157
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
Wednesday, December 8, 2010 at 9:51pm by Rena

Math
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
Wednesday, December 8, 2010 at 8:37pm by Rena

Calc 2
Would you like to post your answer if you just wanted to check?
Monday, April 18, 2011 at 1:24pm by MathMate

calc
As in (a), replace by what is in parentheses: f(x) = 7*(x) -4 f(b) = 7*(b) -4 Do the same for (d), post to check your answer if you wish.
Sunday, October 4, 2009 at 2:41pm by MathMate

Trigonometry
I will be happy to check your answers, you have to punch these into your calc.
Thursday, September 4, 2008 at 4:02pm by bobpursley

physics repost
I didnt check calc work, but thinking is correct.
Friday, April 4, 2008 at 12:10pm by bobpursley

Grammar PLease Check MY answers!
Ms.Sue please its a grade please check my answers it would mean the world to me.
Wednesday, April 3, 2013 at 8:38pm by Mandie

Calc
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

calc check: euler's method
Given the differential equation: dy/dx = y(1+x), y(0)=1, Use Euler's method with step size .1 to approximate y(.3). y' = y(1+x), y'(0) = 1(1+0)=1 ->the solution has slope 1 at the point (0,1); x0=0, y0=1, h=0.1, F(x,y)=y(1+x) y1=y0+h*F(x0,y0) y1=1 + 0.1(1(1+...
Sunday, July 1, 2007 at 2:46pm by COFFEE

Pre-calc
your two vectors are the same, so the angle between them is 0 check your typing.
Wednesday, May 30, 2012 at 10:16pm by Reiny

calc again!
thank you sososososo much! i was pretty sure of these, but i wanted to double-check.
Friday, February 20, 2009 at 12:04am by jane

calc
To check--differentiate the integral to see if you get the original equation. I believe you are correct.
Tuesday, January 22, 2008 at 11:36pm by Quidditch

Pre-Calc-Please check answer
1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma sign 2. Find the 10th term of the sequence -1/5,-1/20,-1/80 this was a geometric sequence so I said a(subscript10) = -1/5*1/4^(10-1) =-1/5*(1/4)^9...
Thursday, December 15, 2011 at 8:44pm by Sandra

English-CHECK PLEASE
Ok, I figured this out (I think) but can you please check? Don't worry. I can carry the tent all by myself because it is so light. I do not even need a lantern it is so light outside. In these sentences, the word "light" is used as a: A:homophone B:homonyme C:...
Friday, April 15, 2011 at 6:03pm by Catherine

Grammar--Please check!
Can someone please check my above post about gerund phrases? Thanks! -MC
Wednesday, February 18, 2009 at 8:35pm by mysterychicken

SS Please check answers
1, 8, and 10 I believe are wrong. I don't know about 9. Please double check your book.
Monday, April 8, 2013 at 5:37pm by Ms. Sue

Social Studies 8R - Paragraph Check
please check my my essay okayyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy please let me know if there are any wrong let me know
Thursday, November 8, 2012 at 6:58pm by alexis

Spanish-SRAJMcGin please check
Could Sra JMcGin please check my answers to these questions if she has time? Thank you
Tuesday, March 13, 2012 at 10:03am by Tiffany

Spanish 7th gradePlease check SraJMcGin-Could someone help me, please?
Could you please check the above answer-
Monday, May 23, 2011 at 2:40pm by Emma-

Spanish-Please check
Please check-Thank you I come from the library. Yo vengo de biblioteca.
Sunday, May 15, 2011 at 3:29pm by Emily

Pre-Calc-Please check answer
1. either have n=0 under the sigma, or use (2j+4) as the summand. 2. good work, but 4^9 = 262144. you have an extra 4. 1/5 * 1/262144 = 1/1310720 that dyslexia will get you every time. I noticed it right off, because no multiple of 5 ends in 2 :-) did you hear about the ...
Thursday, December 15, 2011 at 8:44pm by Steve

Bobpursley - pre calc
Bob, check my reply to your email from yesterday. It applies to this question.
Tuesday, November 2, 2010 at 12:13pm by Reiny

Pre-Calc
Could somebody please check this for me? Dtermine whether the graph of each equation is symmetric with respect to the origin, the x-axis, the y-axis, and the line y=x or the line y=-x. I came up with the line being symmetric to the x-axis, the y-axis, and the line y=x. I'm...
Monday, October 8, 2007 at 2:13pm by Natalie

Grammar--PLEASE CHECK!
Please check if my answers in the 2 posts above are correct Thank you -MC
Sunday, May 10, 2009 at 3:52pm by mysterychicken

Algebra-Mathmate, Reiny or Dr. Bob-please double check-Did I even begin correctly?
Please check the above problem-Thank you
Monday, December 13, 2010 at 7:03pm by Matt

Public Speaking Please Check
I don't know about 1 and 3, but 2 and 4 are definitely wrong. Please go back and check these definitions in your text materials.
Sunday, January 10, 2010 at 10:59pm by Ms. Sue

Math (Check)
The equation y = a^x is a decreasing function a = 1) 1 2) 2 3) -3 4) .25 I think that the correct answer is 3) -3...but I am not sure why? Can anyone please check if I am right and explain why? Please....Thank you for your help!!!
Monday, March 9, 2009 at 7:11pm by jess

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

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. ...
Monday, August 9, 2010 at 8:16am by MTHOMBENI BAFANA

Physics-Please check answer
Damon helped me with this calc but I think the answer should be -20, not -22, could someone please check the calculation If a ball is thrown into the wall at 14 m/s and comes off at 6 m/s, what is change of velocity of the ball? I think it would be 14-6 = (-8 m/s) Is that ...
Wednesday, January 5, 2011 at 5:39pm by Russ

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 ...
Tuesday, October 7, 2008 at 4:22pm by Elizabeth

Algebra Please check my answer
It should have read please check-
Monday, October 18, 2010 at 8:50pm by Annie

Physics-above question -please check it
Just please check my calculations-
Friday, October 8, 2010 at 3:59pm by Katherine

Algebra II-Please check calc
How many ways can a teacher arrange 10 students in a front row if there are 60 students I think I do 60!/50! = 2.74 *10^17 How many ways can you choose committee of 7 from a total of 20 (20 nCr7) = 77520
Wednesday, April 6, 2011 at 11:13am by Katie L.

physics 2
I would suggest on the other three, do them on paper, check the orders of magnitudes, then verify it on the calc.
Saturday, January 30, 2010 at 9:25pm by bobpursley

calc
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

Physics repost please check
A glass bottle of soda is sealed with a screw cap. The absolute pressure of the carbon dioxide inside the bottle is 1.80 x10^5pa. Assuming that the top and bottom surfaces of the cap each have an area of .0004M^2, obtain the magnitude of the force that the screw thread exerts ...
Monday, April 9, 2007 at 12:04am by CJ

drwl / bobpursley please check
I had posted three questions at 1:48pm, 2:40pm and 2:41pm and I am having problems with them. Can you please check them for me. Thanks! Repost if you are not satisified with the responses.
Tuesday, March 13, 2007 at 8:50pm by Mary

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

calc
Use the rule of products: h'(x) =d(f(x)*g(x))/dx =f(x)*g'(x)+f'(x)*g(x) For h'(3), substitute f(3),g'(3),f'(3) and g(3) above to evaluate. Post your answer for a check if you wish.
Saturday, April 30, 2011 at 12:40pm by MathMate

calc
dy/dx=(1/2)x + y - 1 I assume that is what you mean. y = m x + b dy/dx = m so m = .5 x + mx + b - 1 m = (.5 + m) x + b-1 well if m is to be constant, m must be -.5 that means -.5 = b-1 b = .5 so y = -.5 x + .5 --------the end ----- Now check with m = -.5 and b = +.5 y = -.5 x...
Thursday, January 24, 2008 at 4:24pm by Damon

math (please check)
Can you please check if I did these right? 1. 415x+301=1009x+129 2. 1596y-3080=900y I know I'm being annoying and stupid, but I'll stop posting. thanxxx!
Monday, September 21, 2009 at 11:58am by Anonymous

calc check these please
1. positive 360 and 390 negative -330 and -360 2. positive 135 and 720 negative -330 and -390
Tuesday, March 31, 2009 at 9:53pm by peter

Physics check
I just want somebody to check my answer on this problem please :-) There is a box which weighs 1000 kg. There is an applied force acting upon it with a force of 20000 N (horizontally). The mu is 1.2. What is the acceleration (again, horizontally) of the object? I got 8.24 m/s^...
Monday, November 5, 2007 at 10:55pm by Emily

pre calc trig check my work please
sin x + cos x -------------- = ? sin x sin x cos x ----- + ----- = sin x sin x cos x/sin x = cot x this is what i got, the problem is we have a match the expression to the equation work sheet and this is not one of the answers. need to figure out what im doing wrong so i can ...
Wednesday, October 20, 2010 at 11:32pm by Anna

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

calc
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

Social Studies
Please Help I know but please I'm the parent and my son tell me to check and i don't know 2 much please in your own words please :( :( :( :( please pretty please please please !!!! :( don't give give me links please in your own words please please :( !!!!! Identify...
Saturday, April 6, 2013 at 9:49pm by Alejandra

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

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

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
find the exact solution algebraically and check it by substituting into the orginal equation. 1. 36(1/3)^x/5=4 2. 32(1/4)^x/3=2
Sunday, June 12, 2011 at 9:55pm by caleb

calc
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 P lease check
Please check my answers; 1.Which of the folowing is another representation of (-3,pi)? (3,120degree) (3,0 degree)I think it is this one?? ((-3,0 degree) 2.Which is not a representation of (5,150 degree) (-5,-30 degree)I think it is this one? (-5,330 degree) (5,510 degree) 3....
Tuesday, September 27, 2011 at 3:55pm by Jonathan

PLease Check My Work
3. T^2-25/t^2+t-20= (t-5) (t+5)/ (t-10) (t+2) 4. 2x^2+6x+4/4x^2-12x-16= 2(x+2) (x+1)/4 (x-4) (x+1) 5. 6-y/y^2-2y-24= 1/(y+4) *Please check them.- 3. (t-5)(t+5) / (t+4)(t-5) 4. 2((x-1)(x+2)) / 4((x+4)(x-1)) 5. (6-y) / (y+6)(y-4) i dont really understand what this is... but lol ...
Thursday, February 22, 2007 at 7:31pm by Margie

American Government- Please Check
Could someone check this for me, please and thank you (:
Wednesday, March 7, 2012 at 2:27pm by Abigail

Spanish-Please check they're differnent
Please check these are different
Friday, November 25, 2011 at 1:23pm by Mia

Algebra drwls please check
Can you please check my problem Thank you
Tuesday, October 12, 2010 at 3:44pm by Megan

drwls please check
Can you please check my physics posts. Thanks!
Tuesday, November 6, 2007 at 12:30am by Mary

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