Wednesday

April 16, 2014

April 16, 2014

Number of results: 131,588

**Calculus POSTS please check**

Please check my calculus posts. They are at the bottom. Thanks.
*Wednesday, September 21, 2011 at 6:47pm by Anonymous*

**Physics, Calculus(alot of stuff together)= HELP!!!**

Can someone please check my Calculus work and see if it is correct? THANK YOU =D
*Sunday, September 16, 2007 at 7:12pm by ~christina~*

**Calculus (Check)**

This seems to easy. Check please. Find. Lim (x^2)-4 x->2 e I substitute in 2 (2^2)-4 e gives me 4-4 e So my answer is e^0 or 1.
*Friday, September 14, 2012 at 12:28pm by Greg*

**calculus - check question**

It depends on the figure which we do not see. Perhaps some information has not been transcribed. Please check.
*Thursday, March 10, 2011 at 9:39pm by MathMate*

**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.
*Monday, June 18, 2012 at 5:48pm by Henry*

**Pre-Calculus-Please check**

Please check: 1.Find polar equation of x^2 + y^2 = 10y subbed r^2 for x^2 + y^2 and sin(theta sin for y =r^2=10sin(theta) 2. y=5 r=5/sin 3. x^2+y^2 =x^2 + y^2 =2x+3y
*Wednesday, October 5, 2011 at 6:56pm by Tonya*

**Calculus - please check my work**

thank you! can u help me on this question please determine the coordinates of two points on the plane with equation 5x + 4y - 3z = 6
*Monday, June 18, 2012 at 5:48pm by Henry*

**To Reiny**

Reiny could you please check my Calculus post below, it says Calculus--Reiny.
*Tuesday, October 4, 2011 at 9:29pm by -Untamed-*

**Calculus - please check my work**

thank you!
*Monday, June 18, 2012 at 5:55pm by Lenna*

**Calculus - please check my work**

thank you
*Monday, June 18, 2012 at 5:48pm by Henry*

**Calculus - please check my work**

thank you
*Tuesday, June 19, 2012 at 12:26am by Henry*

**Calculus-Differentials-Check please?**

Thank you!! :-)
*Tuesday, April 23, 2013 at 4:09pm by Anonymous*

**Calculus-Solved-Please Check?**

Thank you! :-)
*Tuesday, April 23, 2013 at 3:55pm by Anonymous*

**Calculus POSTS please check**

what bottom?
*Wednesday, September 21, 2011 at 6:47pm by saranghae12 *

**calculus--please check**

dulpicate disregard
*Thursday, December 27, 2012 at 8:21pm by ladybug*

**Calculus, check my answer, please! 1**

correct
*Wednesday, October 2, 2013 at 12:25pm by Steve*

**Check my CALCULUS answers please!**

Glad to help.
*Monday, October 7, 2013 at 12:08pm by Steve*

**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*

**Calculus - please check my work**

evaluate rounding to 2 decimal places if neccessary a) 1n5 = 1.61 b) lne^2 = 2 c) (lne)^2 = 1 please let me know if these are correct, thank you.
*Monday, June 18, 2012 at 5:55pm by Henry*

**Calculus (Please Check my answers)**

thank you so much MathMate .
*Sunday, March 13, 2011 at 6:40pm by anon*

**Calculus - please check my work**

All correct, well done!
*Monday, June 18, 2012 at 5:48pm by MathMate*

**Calculus - please check my work**

All correct!
*Monday, June 18, 2012 at 5:55pm by MathMate*

**Calculus, check my answers, please!**

f(-1)=5 and f(-2)=-5 so 5--5 = 5+5= 10 that is how it is even
*Wednesday, October 2, 2013 at 11:11pm by holly*

**CALCULUS. Check my answers, please! :)**

Thank you!! Unfortunately I couldn't wait for your response, but I went over my answers before checking to see if they were right, and I got them all right! Thank you so much for your help! It means the world to me, and will count on you if I need help on more topics in ...
*Saturday, October 5, 2013 at 12:24pm by Samantha*

**Calculus**

Please check problem statement for typos. I do not understand it.
*Thursday, February 21, 2008 at 5:41pm by Damon*

**calculus. please helppp!!**

Check what I did for you a minute ago below.
*Wednesday, February 22, 2012 at 8:46pm by Damon*

**Word Problem-Calculus-Already Solved-Please check?**

Thank you!
*Thursday, March 14, 2013 at 2:13pm by Mark*

**Calculus - Limits. Check my answer, please! :)**

looks good.
*Sunday, October 6, 2013 at 11:44am by Steve*

**Pre-Calculus/Trig Check please and help**

correc, typo. -3x^2
*Monday, September 5, 2011 at 8:52am by bobpursley*

**Calculus**

| i j k | | 4 2 -3 | | 2 -3 1 | = [-7,-10,-16]/9√5 like this? please check if it's correct, thanks MathMate
*Thursday, May 24, 2012 at 10:51pm by j*

**Calculus**

could you expand and explain further please? i just want to check my answer
*Monday, May 28, 2012 at 6:11pm by Nevin*

**Calculus, check my answer, please! 2**

correct, though g is also even
*Wednesday, October 2, 2013 at 12:26pm by Steve*

**Calculus, check my answers, please? :)**

Oh, for 11 I chose A (first option)
*Wednesday, October 2, 2013 at 11:15pm by Samantha*

**Calculus POSTS please check**

They are down below where everyone has posted their questions.
*Wednesday, September 21, 2011 at 6:47pm by Anonymous*

**Calculus (Please check my work.)**

Also, for 5, is the marginal cost at 31 $186?
*Saturday, December 14, 2013 at 9:25am by Lindsay*

**Calculus**

What is "0 t " ? What is " t "? Please check questions after posting. Tutor's can't help if they do not understand the symbols you are using.
*Sunday, February 6, 2011 at 12:03am by helper*

**Calculus Help Please!!! Check**

looks like you are using Newton's Formula for Cooling properly.
*Wednesday, April 2, 2014 at 6:00pm by Reiny*

**Calculus (Normal Line, please check my work)**

I apologize if I seem like I don't understand what you are trying to explain, but you have really confused me on what I thought was a more simple problem. I would really appreciate it if you could check my original answer using differentiation, instead, as this is the method I...
*Saturday, December 17, 2011 at 3:51pm by Mishaka*

**Calculus (pleas help I really need to check this)**

Thank you very much for the clarification, could you explain to me how you got 1/2 in c please??
*Thursday, February 17, 2011 at 7:24pm by Catherine*

**Calculus (pleas help I really need to check this)**

Could you please tell me how to do it evaluating the limt algebraically? I'm trying to do it and I can't get it....
*Thursday, February 17, 2011 at 7:24pm by Catherine*

**Calculus (Normal Line, please check my work)**

Sure, that is a perfectly good way to look at it.
*Saturday, December 17, 2011 at 3:51pm by Damon*

**Calculus, check my answers, please! 3**

#1. f^-1 is not a function Think of y = x^2 every value of y has two values of x. #2 correct
*Wednesday, October 2, 2013 at 12:28pm by Steve*

**Calculus (Normal Line, please check my work)**

even better, have wolfram plot z = 4*sin(x) + 9*cos(y) and check "show contour lines" One of those contour lines will be at z=9, and will look show why your graph looks the way it does.
*Saturday, December 17, 2011 at 3:51pm by Steve*

**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*

**CALCULUS WXMAXIMA HELP PLEASE!**

Please confirm if the expressions are fully parenthesized. As they are, 100493/40000x means (100493/40000)*x. Check by graphing on a calculator or with wxMaxima that there is a region formed by the three curves.
*Friday, March 4, 2011 at 6:42pm by MathMate*

**equations calculus**

This exact question was answered for you yesterday. Please check your posts for an answer before reposting. I have pasted below the answer to this post. calculus - drwls, Monday, January 24, 2011 at 11:39pm Rewrite it as an equation for y in terms of x. y - 0.5 x = y This ...
*Tuesday, January 25, 2011 at 1:09pm by helper*

**Calculus. Limits. Check my answers, please! :)**

#4 surely you know that tan π/3 = √3 #5 ok #6[[x]] represents the greatest integer function How could you choose 4.5? #7 ok
*Sunday, October 6, 2013 at 11:56am by Steve*

**Check my CALCULUS answers please!**

I just did some more practice problems, and got them right! Thank you so much! You made my day. :)
*Monday, October 7, 2013 at 12:08pm by Samantha*

**Calculus**

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x^2 − 4x + 1 and y = −x^2 + 4x − 5 for x in [0, 3] Please don't...
*Monday, December 16, 2013 at 6:13pm by tiffany*

**Calculus**

Something is not right with this question. Your train is going 500 mph ????? I think you want that to be the speed of the plane. How fast is the train going? your answer is a "distance", it asked "how fast is the distance between them increasing" which is velocity. Please ...
*Tuesday, November 11, 2008 at 11:19pm by Reiny*

**Math - check answer**

oops! I didn't realize you were doing calculus. Your calculus is correct.
*Tuesday, January 29, 2013 at 5:48pm by Henry*

**Math - check answer**

OOPS! I didn't realize you were doing calculus. Your calculus is correct.
*Tuesday, January 29, 2013 at 5:50pm by Henry*

**CALCULUS - Check my answers :)**

Well Damon, calculus isnt supposed to be.. interesting. Haha
*Thursday, December 19, 2013 at 7:18pm by mathidislikeperson*

**calculus--please check**

analyze the graph of the function f(x)=x^2+x-90/x+3 a. what is the domain? I think it is x-3 (-,-3)(-3) b. what is the equation of the vertical asymptote? is it x= -3 c. what is the horizontal asymptotes? none
*Thursday, December 27, 2012 at 8:21pm by ladybug*

**calculus--please check**

analyze the graph of the function f(x)=x^2+x-90/x+3 a. what is the domain? I think it is x-3 (-,-3)(-3) b. what is the equation of the vertical asymptote? is it x= -3 c. what is the horizontal asymptotes? none
*Thursday, December 27, 2012 at 8:21pm by ladybug*

**Pre-Calculus/Trig Check please and help**

Could someone please check the first one and help me with the second one. I'm stuck-Thank you 1.What are theroots of the following polynomial equation? (x+2i)(x-5)(x-2i)(x+8) = 0 I think the roots are -2i,5,2i,-8-you take out the roots as opposites of what are in the equaion ...
*Monday, September 5, 2011 at 8:52am by Tabitha*

**Calculus (Normal Line, please check my work)**

-1/oo is very very small :)
*Saturday, December 17, 2011 at 3:51pm by Damon*

**calculus (check my work please)**

right, because my answer can be simplified into: sec^5(x)/5-sec^3(x)/3
*Thursday, June 7, 2012 at 12:15am by Jay*

**Calculus, check my answers, please! 3**

Hmm... Okay! I see how that works now! :) Thank you so much! I'll be posting a few more problems and would appreciate if you could help with those, too!
*Wednesday, October 2, 2013 at 12:28pm by Samantha*

**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 *

**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*

**Pre-Calculus/Trig Check please and help**

First find (x-3i)(x+3i)=x^2+9 and then (x-3)(x^2+9)=x^3-3x^2+9x-27
*Monday, September 5, 2011 at 8:52am by Mgraph*

**calculus - please check question**

What are the limits? The following is not clear. -00 ∫ dx/(4-x)(3/2) 0
*Sunday, March 4, 2012 at 11:43am by MathMate*

**Calculus, please check my answers!**

Thank you so much for not only verifying my answers, but also for your great explanations! I really appreciate it! :)
*Monday, October 7, 2013 at 10:18am by Samantha*

**Pre-calculus-check answers**

1) I got a remainder of 5, check your work 2) correct
*Saturday, August 23, 2008 at 1:47pm by Reiny*

**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 ...
*Friday, April 15, 2011 at 6:03pm by Catherine*

**calculus (check my work please)**

I did, I got a completely different result. Also, SAY SOMETHING USEFUL NEXT TIME!!! tired of you spamming that stupid reply
*Thursday, June 7, 2012 at 12:15am by Jay*

**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*

**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*

**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-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*

**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*

**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*

**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*

**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*

**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*

**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*

**Calculus 12th grade (double check my work please)**

2 and 3 are right. the first one is a trick question. It is a circle, so the tangent line is always 90 degrees to the radius
*Sunday, March 6, 2011 at 1:08am by Jay*

**Physics-above question -please check it**

Just please check my calculations-
*Friday, October 8, 2010 at 3:59pm by Katherine*

**Algebra Please check my answer**

It should have read please check-
*Monday, October 18, 2010 at 8:50pm by Annie*

**Pre-calculus-check answer please**

Write the standard form of the equation of the circle that is tangent to the line x=3 and has center at (-2,-7). Answer: (x+2)^2+(y+7)^2=49 Is this correct?
*Monday, October 13, 2008 at 11:48am by Lucy*

**Physics (Please)**

Newton ponder all this, and had to invent calculus to explain what was happening. Hold your questions until calculus, you will get the answer there. Work is in calculus terms, the integral of force *dx integrated over the path. Remember that, then in calculus, all your terms ...
*Monday, October 19, 2009 at 8:29pm by bobpursley*

**pre calculus**

determine the order of magnitude for the following: 1. a $1 bill and a dime 2. two products scored a PH level of 6.1 and 4.o I can't figure out #1 but I did get #2 to be 10^2.1 Please help with #1 and check to see I did #2 right?
*Monday, February 3, 2014 at 4:25pm by Anonymous*

**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*

**please check(Social studies)**

1, 2, and 4 are wrong. I know nothing about Daniella. Please note: I will only check your answers to these questions one more time.
*Thursday, March 13, 2014 at 7:56pm by Ms. Sue*

**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*

**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*

**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 ...
*Saturday, April 6, 2013 at 9:49pm by Alejandra *

**Pre-Calculus**

Sorry to be a pest but I never got an answer and I'm really stuck Can you please check this equation. Find polar equation of x^2 + y^2 = 10y x^2 + y^2 = r^2 r^2 = 10sin(theta)
*Friday, October 7, 2011 at 9:58am by Tonya*

**MATH/ CALCULUS PIPELINE**

ms sue please help me. If you type in this :Engineering Applications in Differential and Integral Calculus* onto google on page four you will see the map. Please help the title of this lab is designing a pipeline with minimum cost
*Wednesday, March 31, 2010 at 6:33pm by miley*

**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*

**drwls please check**

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

**Algebra drwls please check**

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

**Spanish-Please check they're differnent**

Please check these are different
*Friday, November 25, 2011 at 1:23pm by Mia*

**American Government- Please Check**

Could someone check this for me, please and thank you (:
*Wednesday, March 7, 2012 at 2:27pm by Abigail*

**Calculus (Normal Line, please check my work)**

Looks to me like the slope is vertical at (pi,0) Therefore the normal is horizontal dy/dx of normal = 0
*Saturday, December 17, 2011 at 3:51pm by Damon*

**Calculus-please check**

is the function meant to be f(x)=sqrt(((x^3)/8)+1) or f(x)=sqrt((x^(3/8))+1) In the latter case, the function is not defined in the second quadrant (x<0).
*Saturday, February 26, 2011 at 10:27pm by MathMate*

**Calculus (Normal Line, please check my work)**

Using strictly the derivative (because wolfram isn't working for me), how can you prove that the slope of the normal line is 0?
*Saturday, December 17, 2011 at 3:51pm by Mishaka*

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