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September 17, 2014

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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 the point (0,1...
July 2, 2007 by COFFEE

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...
January 4, 2012 by Bethany

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 for: x^2 ...
July 2, 2007 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 ...
September 18, 2011 by Ellie

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 ...
September 18, 2011 by Elllie

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 you that the area is ln 2...
June 29, 2007 by drwls

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 ...
September 6, 2011 by Sheila

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+0)) y1=1.01 y2=1...
July 1, 2007 by COFFEE

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 2x^2...
September 7, 2011 by Sheila

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 2x^2...
September 7, 2011 by Sheila

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 2x^2...
September 7, 2011 by Sheila

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
January 17, 2012 by saranghae12

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
April 6, 2011 by Katie L.

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 ...
January 5, 2011 by Russ

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
October 3, 2011 by Leah

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
December 15, 2011 by Sandra

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 degree) 2....
September 27, 2011 by Jonathan

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
January 10, 2012 by Julia

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...
December 15, 2011 by Sandra

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...
December 15, 2011 by Sandra

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 ...
December 8, 2010 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 ...
December 8, 2010 by Rena

Stat Help Please
Yearly stock returns on India's Sensex Index are well described by a Normal model with a mean of 18.36% and a standard deviation of 14.65%. give the stock return cutoff for the middle 30% of all years. I used TI-83 Calc. for these. Can someone check them? Thank you! Q1=InvNorm...
March 10, 2013 by Taylor

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 ...
April 9, 2007 by CJ

calc check: hooke's law
A force of 27N is required to maintain a spring stretched from its natural length of 12cm to a length of 15cm. How much work is done in stretching the spring from 15 to 25cm? and this is what i did.. please check to see if i did it correctly.. thanks :) f=27N 12cm to 15cm f(x...
June 29, 2007 by COFFEE

7th grade math check
Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be in coordinate pairs. 1) x - y = 11 -3x + y...
April 12, 2012 by saranghae12

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
June 12, 2011 by caleb

calc check: average 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 for: x^2 ...
June 30, 2007 by COFFEE

Pre-Calc-Please check
I have three questions: 1. What is the remainder of (x^3 + 2x^2 - 5x+4) /(x-3) I think the answer is 34?? 2. Evaluate (4+5i)(2+2i) =4(2) +4(2i) + 5i(2) + 5i(2i) = 8 + 8i + 10i+10i^2(-1) =-2 + 18i 3. Using Rational Roots Theorem, list all possible rational root of f(x) = 2x^3...
January 9, 2012 by Julia

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:synonym D:simile ...
April 15, 2011 by Catherine

pre calc
find exact solution algebraically and check it by substituting into the original equation. 2(10^-x/3)=20 logtiny4(x-5)=-1
June 12, 2011 by celeste

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....
September 27, 2011 by Jonathan

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^...
November 5, 2007 by Emily

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 ...
October 7, 2008 by Elizabeth

Math 116 algebra please check
Solve using the multiplication principle. 10x= -90 The solution is x = -9 please check
July 16, 2008 by jay jay

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!!!
March 9, 2009 by jess

Calculus - please check my work
Differentiate each function a) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) the answers i got for each was: a) y'= -6x + 5 b) f'(x)= -6/x^2 + 6/x^3 c) f'(x)= 15x^4 + 6x - 16x^3 - 4 please double check and let me know if these are correct, thank you.
June 18, 2012 by Henry

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 ...
February 22, 2007 by Margie

Pre-Algebra(please check)
Please check these simplified expressions(my answer is after the ;) 4(2k-6)-8(3-3k); -16k-(-48) 9+(-2k)+(-4)-6k; -8k+5 -x+4x-(-8x)-9+2x+1; 13x+(-8) 5(-3x+6)+8x; -7x+30 8+6x+4-8x; -2x+12 5(-m-3)+4m-10; -9m+5
May 18, 2008 by Jillian

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 not...
October 8, 2007 by Natalie

Accounting
A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check
October 18, 2012 by Anton

Algebra
Please check and see if my answer are correct 1). 24v^2w^5x^8-20v^7w^9= -4v^2w^5(5v^5w^4-6x^8) 2). 81-25z^2= (5z+9)(9-5z) 3). 5y^3-7y^2-15y+21=(y^2-3)(5y-7) 4). x^2+4x-12= (x+6)(x-2) 5). 3x^2-26x+16= (x-8)(3x-2) 6).4v^6+6v^5-18v^4= 2v^4(2v-3)(v+3) 7). solve for y y^2+6y+8=0 y...
August 11, 2014 by Mari

Math 116 algebra please check
Solve for the indicated letter. e=9f, for f The solution is f = 1/9e Please check this
July 16, 2008 by jay jay

math-please check my answer
0.6x + 4 < 1.0x - 1 6x + 40 < 10x - 10 4x > 50 x > 12.5 can someone please check my work and tell me if I am right?
July 30, 2010 by Michelle

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 ...
August 9, 2010 by MTHOMBENI BAFANA

Math[PLease Check]
Problem: 25-x^2 6 ------ * --- 12 5-x What I got: 5-x --- 2 *PLease Check My Work. No. Factor the 25-x^2 into two factors. Then the 5-x in the denominator divides out. So then is it: 5+x --- 2 yes. 12x12
February 24, 2007 by Margie

Calc
Evaluate the function at the given values of the independent variable and simplify. f(x)= {x^2)-3 if x is less than or equal to -2 {6x+1 if x > -2 a. f(-3) b. f(0) c. f(-2) How do I solve this/what are the correct answers so I can check my work?
December 14, 2011 by Jillian

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)
April 17, 2013 by Chris Math Hw Help

Physics-Please check calc
I did this problem last night with Damon's help and I think it's correct at the end of the is-could you please check it? Calculate amount of energy needed to completely vaporize a 50g piece of 20 degree C silver melting point 1064 C L(f) = 64KJ/Kg Boiling point 2856C L(v) = ...
January 5, 2011 by Matt W

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.
March 13, 2007 by Mary

Math 116 algebra please check
Simplify 6[-73-(-19-83)]=174 Please check
July 16, 2008 by jay jay

Spanish-Please check
Please check-Thank you I come from the library. Yo vengo de biblioteca.
May 15, 2011 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 ...
October 20, 2010 by Anna

Please check-Reiny
Could you check these two problems? 3sqrt (y+2) = 3 is y = 25 Answers were: true or false I said true because I did it like this Square both sides=y + 2 = 3^3 y+2 = 27 y = 25 and sqrt (2y-6) = 3-y for y answes are: no solution 5 3,5 3 I said 3 because I did it like this: 8y -...
October 12, 2010 by Michelle

Calc.
Evaluate the indefinite integral. Please check my work? Not sure if I am doing this correctly. S= integral symbol S x^3*sqrt(x^2 + 1) dx u = x^2+1 x^2= u - 1 du = 2xdx du/2 = xdx 1/2 S x^2 * x sqrt (x^2 + 1) du 1/2 S (u - 1) * sqrt (u) du multiply square root of u and (u - 1) ...
January 27, 2011 by CMM

Calc
Can someone help me with this calc problem? lim as x->0 (tan^3 (2x))/(x^3)
January 8, 2009 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
March 15, 2012 by ALISON

calc check
if you evaluate the integral of: t csc^2 t dt, is the answer -t cot t + ln|sint| + C Differentiate the answer to see if it is correct.
May 23, 2007 by marsha

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.
September 10, 2009 by muffy

Algebra-Please check
Please check- sqrt of 2x + 15 = x Answers: -5.3 -3.5 -3 5 I think according to my calculations it would be 5, correct? sqrt root of 7-x = 3-solve for x Answers: -2 2 4 -4 My choice would be 2 Is that correct- I squared both sides and came out with 7-x = 9 and then x = 2 Thank ...
October 12, 2010 by Juliette

Math 116 algebra please check
Multiply 1/7×(-3/7)=-3/49 Please check
July 16, 2008 by jay jay

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).
January 22, 2011 by John

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
January 25, 2011 by John

To sam!
Was the five part unknown question for compounds A through E yours? If so, did you get it answered ok? no it was not mine! can you please check my math? can you please check my math?
December 4, 2006 by DrBob222

Spanish 7th grade-Please check
Please check. How would I say "I feel like drawing. Would it be: Yo tengo ganas de dibujar.
April 6, 2011 by Sally

Health care please check answer
Please check my answer thank you Verifying the accuracy of HCPCS codes is an important function in what ? I think that it is maintence of chargemasters
March 11, 2008 by Rebbeckha

Health please check my answer
Please check my answer thanks True or Faslse The term used to describe why medical treatment is necessary is procedure I say False
April 8, 2008 by Graie

Math please check answer
please check my answer :) The monthly payment of a $100,000 mortgage at a rate of 8 1/2 % for 20 years is 8678.23
January 10, 2008 by keleb

alegbra
Check this problem for me do I have negative sign right with the answer. -1(-1)+-5-5=-2/-10==-1/5 the one on top and the -1(-1) and on the bottom is -5-5. so check this answer for me. Please, Please
March 7, 2009 by Elaine

alegbra
Check this problem for me do I have negative sign right with the answer. -1(-1)+-5-5=-2/-10==-1/5 the one on top and the -1(-1) and on the bottom is -5-5. so check this answer for me. Please, Please
March 7, 2009 by Elaine

English please check my answer
please check to see if I have the right answer thank you The patient had a radiogram performed. What doed the root word indicate I think it's b
March 20, 2008 by Dakotah

PERSON!!!!!
I have no money at all no credit card or checks or anything! So can someone please tell me where to get a free background check or free record check?? I really need this please!!
February 14, 2011 by NEEDS HELP!!

Health please check my answer
Please check my answer thanks The radiologist is able to evaluate the movement of body organs by doing what procedure A. Ultrasound B. MRI C. Film survey D. Fluroscopic exam I picked A
March 20, 2008 by Kaleigh-Anne

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
December 7, 2009 by Jo

Chemistry(Please check)
1) The Ka for acetic acid is 1.8e-5. What is the pH of a 3.18M solution of this acid? I did 1.8e-5 = x^2/3.18 x=sqrt 1.8e-5 X 3.18 = 7.56e-3 pH=-log(7.56e-3) = 2.12 The pH is 2.12 2) At 25 degrees celsius, the pH of a 1.75M NaCN solution (the Ka for HCN is 4.0e-10) is ? 4.0e-...
April 2, 2012 by Hannah

drwls please check
Can you please check my physics posts. Thanks!
November 6, 2007 by Mary

Spanish-Check please! I need help
Please check-I'm having a problem interpreting these questions and I have to answer them for homework. Could you please check my translation I'm not sure what these questions mean and I have to answer them for homework ¿Qué necesitas para comer en cereal?does this ask what I ...
March 21, 2012 by Ellen

Calc 2
Find a Cartesian equation for the polar curve y = 5tan(theta)sec(theta). I think I got it but I just wanted to double check. Thanks in advance!
April 18, 2011 by Paige

Calc
Use the Intermediate Value Theorem to check whether the equation x^3–3x+2.1=0 has a root in the interval (0,1) answer: yes or no ? i have no idea how to answer to go about solving this question, thanks for the help!
January 25, 2012 by UCI STUDENT

FRENCH WORK ASAP
please please someone check my work I don't understand it fully so I am asking if someone could please check my work thank you if it's too much I'm sorry. God Bless
January 21, 2009 by Hellokitty1993

Pre Calc
Simplify (n+1)!/(n-1)! Help please?
March 15, 2009 by MW

Pre calc
Please finish y+7=6/7x-30/7
January 25, 2013 by Joe

Pre-Calc
I know about Descartes Rule but I don't really get how to figure this out-Please check my answers- I don't get this one find number of possible positive and negative real roots of f(x) = x^4-x^3+2x^2 + x-5 I think there are 3 sign changes so there are 3 positive but I get ...
September 12, 2011 by Jaclyn

Pre-Calc
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 2x^2...
September 7, 2011 by Sheila

please check my answer
Please check my answer thanks :) Nurse employees at a non profit hospital neglect a patient,resulting in harm. The pt sues, in most states what would be the end result not really sure do they get charitable immunity
November 14, 2007 by Anonymous

Algebra-Please check
We're learning arithmetic sequences-please check this for me-it's my first day calcuulating htese and I'm not sure If t(1) = 5 and t(n) = t(n-1) + 2, find the first 4 terms of the sequence I think it would be 5,7,9,11 because the difference is 2 so I just added 2 to each of ...
May 2, 2011 by Jodie-

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
April 24, 2012 by Kimberly

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
May 14, 2008 by jennifer

calc
find the area of the region bounded by y=4x, y=x^3, x=0 and x=2 Check this on paper, but in my mind I see the differential area (x^3-3x)dx integrate that from 0 to 2 y=4x and y=x^3 intersect when x=-2,0 and 2 the vertical boundaries are x=0 and x=2, so the area is the integral...
May 2, 2007 by quita

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

calc
integrate 1/(1+(e^-x)) please provide steps
May 1, 2013 by Anonymous

Calc Help Please
if 2x^2+2x+ xy =2 and y(2)=-5 find y'(2) by implicit differentiation
July 28, 2013 by Anonymous

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

Help please!! For pre-calc
Logx16=-2 how do you solve this?
December 10, 2013 by Anonymous

Calc please help
Find the derivative of f(x) (csc(2x^2+1)^4
June 26, 2014 by Sarah

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?
January 20, 2010 by Karen

algebra
please check and correct thanks Problem: solve and check the inequality if possible |4F+8|< 12 positive: negative: |4F+8| < 12 |4F + 8| < -12 4F + 8 -8 < 12 - 8 4F +8-8 < -12-8 4F < 4 4F< -20 F < 1 F< -5 solutions 1 and -5 or -5 < F < 1 check ...
February 7, 2012 by ann

Spanish-Please check my work
Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking
January 29, 2012 by Jillian

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 two ...
April 6, 2013 by Alejandra

Sapnish-Please check SraJMcGin
Please check if you have time we had to select the correct answer for the two questions 1.¿Ellas te escuchan? Ellas me escuchan. 2. ¿Me escuchas? Te escucho.
January 10, 2012 by Jonathan

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