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Number of results: 9,427

Thank you (bobpursley)! (no reply needed)
No reply needed.
January 13, 2007 by EinstNewtLieb

physics Again
bobpursley can you please check my reply to your post about my question? I am not sure if I did my equation correctly. Thanks
September 12, 2007 by Haley

ATTN bobpursley
On Thursday October the Second, you gave a reply to "martha" regarding the movie chariots of fire. I have posted a response there of my own because I feel that your feedback was misguided. Could you please read my message and then get back to me?
October 4, 2008 by Brandon

Physics - Frequency
This is in reply to a previous post, I'm not really sure whether replies to posts that are several days old are viewed by anyone, so I'm reposting just in case. In reply to bobpursley's post, I just want to ask, how would you know how long it takes for the sound to reach you? ...
January 27, 2010 by Hailey

Aluminium Bauxite (is water needed)
Is water needed in the extraction of aluminium from bauxite in either the Bayer or Hall-Heroult proccesses? Please reply as soon as you can :) hehe
April 20, 2008 by Jonathan

reply+chemistry please
can someone reply to my last chem post
February 4, 2009 by Chopsticks

Can someone reply to my previous post.
January 15, 2009 by Chopsticks

drwls, or other tutors
does my last postage seem correct for the answers that i got. The one that doesn't have a reply. See previous reply to your post.
March 1, 2007 by jas20

I was going to let you know I posted a reply to your question at the bottom. On the #4 when you said I needed aller+ infintive which word needs that I don't understand what you mean.
April 30, 2009 by Taylor

For the seventh time. my reply For the seventh time, I'm not giving you the answer. The rainbow stretched across the sky from the ice cream truck to the house down the lane. my reply The rainbow stretched across the sky, from the ice cream truck, to the house down the lane. ...
May 28, 2007 by NeNe

Jiskha homework help rocks. But I need someone to reply to my post: social studies!!!! -afton PLEASE REPLY!!!!!!!!!!! 10/9 - 9:21 pm
October 9, 2006 by Anonymous

Analytic Geometry
How can i identify in the graph of an ellipse where is b, a, c, the vertices, the foci, the latus rectum, the essentricity and the directrix. Please reply. Needed for my studies tonight :/ midterm exam tom. :/
April 20, 2016 by Earis

can someone reply to my previous chemistry thread please?
January 21, 2009 by Chopsticks

Thanks for helping me with al those parts bobpursley. If you have time, can you also check my questions please. Thank you very, very much in return. My post is on the second page.
April 6, 2010 by Sara

To: Bobpursley
Thanks for your reply! I have some questions about my AMERICA ONLINE service that's why I asked "How can I e-mail to America Online? Is there any website where I can write my comments or questions to America Online? (Like Feedback) I found a website on GOOGLE but there was a ...
December 31, 2006 by Sheela

Physics (CHECK)
One student is pushing on a chair with a force of 260.6 N directed at an angle of 30 degrees above horizontal while a second student pushes on the same side of the chair with a force of 21.0 N at an angle of 15 degrees below horizontal. What is the magnitude, in N, of the sum ...
October 1, 2009 by tracy

I am writing a letter, in the closing I wrote, If you reply by [a date].... or If you reply back by [a date].... Is the "back" necessary?
June 24, 2008 by Bell

ok (my posts mysteriously vanishes...)
I posted a reply thanking both bobpursley and dr.bob (mild criticism)... I don't see the post. What happened? Was it removed? I saw your post thanking Bob Pursley and me. Many thanks for the thanks. All of us like to think that we lend a helping hand. Both individually and as ...
June 16, 2006 by Kizner (chem)

physics-bobpursley/drwls please check
bobpursley/ drwls please help me with my post on Sunday, April 15 at 10:16pm and 10:19pm. Thanks!
April 16, 2007 by Mary

Thank you for answering the question before bobpursley, I understand how you did the deriv of inside, outside, but how do I now do the second derivative since you have the extra -18x^2 in the numerator?? Thank you very much! (I suppose I have to brush up on my derivatives) ...
March 10, 2011 by KIKSY

physics to Elena please reply
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min (b) 10.0 m min Please ...
April 25, 2012 by Romy

Precalc(attn Bobpursley)
Hi i posted this before but I wanted to ask Bobpursley a few questions on his reply 1)For the first function you used cosine when they ask for sin, why is that? Also why did you put .5 in the beginning and end of the function? 2)For the second question why did you put 10 in ...
August 5, 2011 by anna

algebra 2
How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that is right, thank you ...
January 16, 2010 by hellogoodbie

algebra 2
How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that is right, thank you ...
January 16, 2010 by hellogoodbie

Throughout your life,who has impacted your life?
Opinions are ok but anything with identifying information will be removed. In fact, why don't you retype your question and omit the part about including name, address, et al. and we can get someone to remove your original post. ok.thanks,do you think you can reply also.?I'd ...
February 9, 2007 by DrBob222

Eng. Essay - Writeacher
Writeacher or Bobpursley, or anyone who could help me with my essay. I don't know why I cannot find the post that I needed help on, my essay was on traditional families versus TV show families. I included more information. I wish I could include the link here to my post. :\
February 20, 2012 by Farrell

Reiny or Damon or Bobpursley
Express the series 11 + 18 + 27 +...+ 171 using sigma notation. Usually you would take 27-18 and that's the step between numbers, right? (I think its the k-value?) But 27-18=9 and 18-11=7. Are we stepping by k+2 here? Like k, k+2 k+4, k+6...? Please help me. I'm not confident ...
April 27, 2012 by Tabby

acceleration estimate(bobpursley)
Well, bobpursley explained this to me. I didn't understand this well. Since there was an error in the data, I am posting it again t(sec) v(ft/sec) 1 12.2 1.5 13 2 13.4 2.5 13.7 velocity of an object moving along a line at various times. How do I estimate the object's ...
December 11, 2006 by Jen

A vertical spring with a spring constant of 450 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 3.0 cm in bringing the block to a momentary...
April 6, 2007 by Mary

Chemistry!! - bobpursley please
Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from the energy state characterized by the following when n=4 =__________nm Responses Chemistry!! - bobpursley, Wednesday, October 22, 2008 at 4:05am So the two energy states are n=4 ...
October 22, 2008 by Giznelbell

What is tbe next row of the following table? 0 2 2 2 0 0 0 0 0 0 2 4 6 4 2 0 0 0 0 2 6 12 14 12 6 2 0 0 2 8 20 32 38 32 20 8 2 2 2 2 4 6 4 2 2 6 12 14 12 6 2 2 8 20 32 38 32 20 8 (2) Notice in this arrangement any number is the sum of the number above it plus the numbers on ...
September 1, 2005 by Beth

help me to reply this letter from a friend in Britain,this letter is in my english book is not real but i have to write a reply. I'd love to come and stay with you.It will have to be in August because ,as you know, our summer holiday are not as long as yours. Tell me when the ...
September 28, 2010 by Anonymous

algebra 2
Posted by hellogoodbie on Saturday, January 16, 2010 at 3:24pm. Posted by hellogoodbie on Saturday, January 16, 2010 at 2:59pm. How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and ...
January 16, 2010 by hellogoodbie

trig-reply to Reiny
RE: (- sin (x/2) /( 2 sin (x/2) + cos (x/2)) is an alternate representation for, 1 / ( 4 tan (x/2) + 2 ) Thanks for your help, sorry I posted 3 times, I thought you didn't understand what I needed. I really do appreciate your time spent. just for your FYI, if you are ...
January 3, 2011 by Carol

physics repost bobpursley
The energy given off by 300 grams of an alloy as it cools through 50°C raises the temperature of 300 grams of water from 30°C to 40°C. The specific heat of the alloy (in cal/g C ) is: i know Q=CpM(delta T) but what is what? Responses * physics - bobpursley, Monday, June 22...
June 22, 2009 by jane

Chemistry - urgent help needed
The following is part of a procedure for a limit test for sulphates in an NaOH sample:- Dissolve 3.0g of NaOH in 6ml of deionized water, adjust to pH 7 with 12M HCl (about 6.2ml) and dilute to 15ml with deionized water. When about 6ml of 12M HCl was added, a white ppt was ...
September 22, 2010 by candy

Draw a venn diagram to illustrate the following. In a shop 50 cars were inspected and it found that 23 needed new brakes and 34 needed new tires. 3 needed no services at all how many needed new brakes and new tires? How many only needed brakes? Please help
December 9, 2011 by kia

Chemistry - bobpursley pls help
Posted by candy on Tuesday, September 21, 2010 at 3:12pm. Yes, my NaOH is granular. Why 7ml of 10M HCl? Do I add 7ml of 10M HCl 1st slowly in ice bath, then slowly adjust the pH to 7 using 10M HCl? Then to dilute to 15ml in a graduated cylinder? Thanks Posted by candy on ...
September 21, 2010 by candy

Lack of oxygen in a pond may be a limiting factor. True or False? Please reply ASAP, thanks Lack of oxygen in a pond may be a limiting factor. True or False? Please reply ASAP, thanks Please only post your questions once. Repeating posts will not get a quicker response. In ...
May 18, 2007 by Marry

how do you think slavery influenced the evolution of both black and white america today? is there any websites that might help me with this question? As I was starting to answer your question, I had a conversation with BobPursley. He has summed this answer up better than I ...
September 12, 2006 by jenny

A lady buys goods worth Rs.200 from a shop. (shopkeeper selling the goods with zero profit) .. The lady gives him 1000 rs note. The shopkeeper gets the change from the next shop and keeps 200 for himself and returns Rs.800 to the lady. .. Later the shopkeeper of the next shop ...
March 10, 2014 by faizanurrahman

Need help in business studies, econ or computing?
I'm a CIE (Cambridge International Exams) A Level student who gave her A2 exams in October... *expecting results this month*... Anyway, my subjects were Economics, Business Studies and Computing. I got good grades in my AS exams, and also managed to get an 'a' for my computing...
January 2, 2007 by student_helper87

Can you reply to my last post? thank you.
February 5, 2009 by Chopsticks

October 21, 2011 by S

Physics, still don't get it!
I'm sorry bobpursley I don't understand your response, please clarify. When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12 Hz. When another object of mass m2 is hung on the spring along with m1, the frequency...
April 6, 2007 by Mary

Thanks for your reply! YW! Happy Holidays! =)
December 23, 2006 by Sanjana

For Dr Bob
Can you have a look at what my reply to your help? Thanks.
November 20, 2008 by Lulu

For Reiny
If you could go back and check my reply to you. thanks
September 5, 2012 by Vanilla Bear

thank you. :)
January 1, 2007 by jasmine20

Algebra- word problem
Jordan has a photograph on his wall that is 3 in. long and 6 in. wide. He takes it to be framed which increases the length and width by 2 in. each. How does getting the picture framed change the amount of wall space needed? My choice is B- Correct?? Choices A. the wall needed ...
May 15, 2011 by Mary

Can you reply to my last post on chemistry? thanks alot.
March 4, 2009 by Chopsticks

How would you reply to a political cynic?
October 24, 2010 by jj reddick

I reply to the Warren poem below.
May 21, 2012 by Mohammad

Spanish Learning Software
Hello to all. I'm looking to learn Spanish independantly, so I have decided to try some sort of program or course to do it. I've searched on GOOGLE about the best/top Spanish learning software, and I've come across multiple results. Some say differently about the software and ...
September 10, 2009 by John

November 2, 2006 by MINEMINE

Thank you Bobpursley
September 10, 2009 by Sam

thank you bobpursley
September 21, 2010 by john

to bobpursley
thank you so much!
April 18, 2012 by Celest

Chem- bobpursley
What mass of protons would be required to just neutralize the charge of 1.5 g of electrons? my teacher said .0015kg times 1e-/.00091e-27kg times 1pt/1e- times 1.67262e-27 over 1 p chem - bobpursley, Tuesday, September 21, 2010 at 6:48pm That is what I would do also. But I ...
September 21, 2010 by Sara

chemistry-mostly for bobpursley- I have a question
ok i made a post with this question earlier: A carbon nucleus has six protons and six neutrons. How many electrons would it take to equal the mass of a carbon nucleus? u responded with this formula: 6*massproton+6*masscarbon=n*masselectron look up the three masses, solve for n...
September 20, 2010 by Sarah

What did the squrrel reply when the cat asked what are you eating
February 2, 2009 by jaelan

Ms. Sue
Can you reply to my french post. I think your able to help me with it.
February 22, 2009 by Chopsticks

reply to Q " Physics hard... can't get it right"
kk this is what i did V=strt(3*k=8.31*T=1365)/m=5.32*10^-26
May 6, 2010 by richard

is there any teacher over here that's on and that can reply so i can put a question ? or no?
September 28, 2011 by ciara

English 122
How will I be contacted with my reply to my question i asked?
September 30, 2011 by Tondelayo

Any tips on how to get excellent grades? :) please reply fast
November 25, 2012 by Jesse

Thank You very much.
March 28, 2008 by Ella

I have responded
September 13, 2009 by AP Physics B

Honors Chem B
Thank you bobpursley!
September 1, 2011 by Deahna

to bobpursley
is this the correct answer: 2m^-8n^-2/9m^2n^-6??
September 8, 2013 by Sophie

To : bobpursley
Please could you help me on my question:)
October 1, 2014 by Rain

chemistry 2
You are instructed to create 800. mL of a 0.69 M phosphate buffer with a pH of 7.6. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. what is the molarity needed for the acid component of the buffer?What is the molarity needed for the base ...
March 4, 2014 by Danielle

1. What is needed to make blood cells? 2. What pair of workers is needed to produce estrogen? 3. What is needed to produce eleven hormones that control the actions of other endocrine glands? 4. What is needed to pass oxygen from lungs into blood vessels and welcome carbon ...
December 4, 2011 by Hayley

algebra 2
Posted by hellogoodbie on Saturday, January 16, 2010 at 2:59pm. How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010...
January 16, 2010 by hellogoodbie

Dr bob, can you check my reply to chem question from andy thanx
May 10, 2010 by Andy

what is the area of parralel ? hieght is 18 and the base is 15 .. reply asap .
July 17, 2011 by mary rose

Math radicals
Radical 8 over 18 ? Plz reply fast
November 27, 2012 by Liily

I revised my answers below. Thank you
April 6, 2008 by Jon

bobpursley, but can you give me an example
February 21, 2010 by Ruth

Can you please answer my last post? Thanks -MC
March 20, 2010 by mysterychicken

child care
thanks bobpursley ok 6 is not b so i think is a? and 20 if its 25-30% its b?
December 13, 2010 by tiffany

Mr. bobpursley
Thank you for your time and frankness. I agree with you.
September 4, 2011 by Ben

chemistry home work
2 examples on sediment plz reply fast...
November 21, 2008 by madi

Thanks for your reply. What does prem/prim mean? bi(two), tri(three). Thanks.
April 27, 2009 by for writeacher (lenni)

what is meant by "Teenage baggage?" plz REPLY ASAP Thanku
February 1, 2010 by shahroz

what is the energy in joules of one quantum of 3^8 m/s? reply in scientific notation
February 4, 2012 by Anonymous

Simplify this equation: -9-6(w+5) I think it is -15w+30. Please reply ASAP
January 15, 2015 by Me

Does Rene Descartes provide a persuasive reply to the challenge of skepticism?
March 18, 2015 by TayB

Does Rene Descartes provide a persuasive reply to the challenge of skepticism?
March 20, 2015 by TayB

January 28, 2007 by margie

Thanks BobPursley!
Thank you so much for all of your help! I understand now!!! : )
February 1, 2007 by Milford

science (bobpursley)
what about flooding? is that one.
October 10, 2008 by scooby91320002

bobpursley can you show the equasions you are using
January 8, 2012 by Rick

Algebra 2 ..........BOBPURSLEY
SO IF Y=0 what would x be on the graph. Please.. i do not get this...
January 26, 2013 by Anonymous

bobpursley, is answering questions on this all you do?
December 6, 2014 by Dave

Look at my problem again please thanks
February 5, 2015 by Bill

I left out a few more things and a short translation. Can you please check them, too? 1) Four of your students have sent email so far. Can you please send me the individual email addresses of your partecipating students so that we can start the email partnership? My students ...
March 20, 2012 by Matthew

What role do plant pigments play in the process of photosynthesis? pls.reply
October 10, 2007 by chanell

Enlish 104
this is about business letter... can you give an example of Inquiry and reply... thank you.. :)
August 10, 2008 by Inuyasha

i have to write 42 hundredths in standard form how do i do it? plz reply back :)
January 12, 2011 by Happy Face

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