Tuesday

October 21, 2014

October 21, 2014

Number of results: 165,800

**Math(forget my other question I already have that)**

Please help me simplify this one please: 15sqrt8x^16/5sqrt2x^4
*January 11, 2007 by margie*

**Poetry**

please read this poem and tell me how I can inprove it. Thanks! Where have you been I almost forgot you Its been a year or so Since I’ve seen you last Why did you have to come back I was trying to forget you And forget what you did Why bring back the bad memories Can’t you ...
*January 27, 2008 by Madison*

**To "adeliine"**

Your posts have been removed. 1. Type your subject in the School Subject box, not some obscure abbreviation that tutors here won't understand. Any other words are likely to delay responses from a teacher who knows that subject well. 2. Type a specific question about your ...
*June 4, 2010 by Writeacher*

**History**

Hey, I have an essay question: Compare and contrast the views of Thomas Jefferson and Alexander Hamilton on the Constitution, National Bank, and Foreign Affairs. I have already researched this topic but I don't think I have enough sources. If you know of any sites that could ...
*January 8, 2007 by Kinda needs help*

**Math 156**

I already did the first and third question I just need some one to make it clear to me what he is asking for question 2. Hint anyone please thanks. What is the difference between a combination and a permutation? What clues are provided in a question to help you decide? Make ...
*July 27, 2009 by Emory*

**Foods**

what cooking tool is used to make sauces which do not contain milk? I know I have asked this question already but I have still not a found very good answer. The sites that people have gave me are not helping infact they are just showing me how to cook sauce or other stuff, not...
*October 17, 2010 by Rose*

**SS7R - HW Question Help!**

In my other post I wrote "I'm have other 3 that I want you to check to see if they are correct. BTW - I have one more question I have trouble with." Here it is: Why did the Louisiana Purchase important to the US? Please help! btw - I'm a little curious about this question also
*April 19, 2012 by Laruen *

**ELA**

who read call Of The Wild forget about it i already got the passae ( this goes to everyone )
*December 7, 2006 by Jose*

**math**

wow. i can't believe i forget this from last year. 5x^2 - 11x - 36 = 0 theres some kind of box trick or somethin to factor that but i forget!
*January 28, 2008 by Anna-Marie*

**urgent**

hey you guys I post a question like five hours ago and I would like to know if there is at least a website in were I could get help or something Post your question again. That way it'll get to the top of the list. That's what I always do. Your original post listed several ...
*February 4, 2007 by desperate*

**End of Year question**

If you could describe the end of the school year with just one word what would it be? I want other peoples opinion, as I already have mine.
*May 13, 2014 by Anonymous *

**Math 11**

Scientific Notation question... It says put it in scientific notation and here is the question. 3100.0 x 10^2 But it's already in scientific notation... and I have no clue what to do... I've never done a question in scientific notation before... can someone please help me?
*September 9, 2007 by Karn*

**Geography/Economics**

I posted this question the other day and someone gave me a website but I didn't have any luck with it. One of the stages of economic growth is capital intensive, where wealth is created throught the efficient use of money and industrial manufacturing occurs. What latin ...
*November 27, 2011 by Samantha*

**Last Question Romeo and Juliet Quotes Help**

This is the last question I promise I'm sorry I'm being such a bother but I need help with this quote. "I have forgot that name and that name's woe." Does this quote mean that it tries to forget that name, and all about her. (Rosaline he's referring to)
*March 31, 2009 by Jamie:)*

**Algebra**

Factor m^2-k^2+6k-9 ^2 means squared. I don't know any other way to type it. Thanks. Seems to me you can only do this in 2 pieces...factor the first 2, then the last 2... (m+k)(m-k) + 3(2k+3) Whadya think? hmmm... I looked in the back of the book and it says... (m-k+3)(m+k-3) ...
*October 9, 2006 by Kyle*

**Physics**

A 100-kg box is suspended from two ropes; the left one makes an angle of 20degrees with the vertical, and the other makes an angle of 40degrees. What is the tension in each rope. I think I've got the basics: I have Fx=T1(x) + T2(x)= 0 to calc the first tension, and Fy= T1(y...
*April 22, 2011 by Stephanie*

**math question**

im not so sure on this but i think its A. Which of the following is an example of independent events? A.rolling two number cubes B.selecting marbles from a bag without replacement after each draw C.choosing and eating a piece of candy from a dish and then choosing another ...
*June 5, 2014 by matt*

**English**

I will never forget the first time I "have gone" to the ocean with my family. My brother and I "were" five and seven years old. My parents took us on the Ferris wheel on the pier and "are buying" us popcorn and cotton candy. A shell I got from a souvenir still "sits" on my ...
*February 25, 2014 by Anonymous*

**math **

I have a math question for my cell biology class. A molecule exchanges places with its neighbor every 10^-7 seconds. It will diffuse from one end of a 2 micrometer cell to the other in 1second. Ok now I have a 6M x 6M room filled with 4cm ping pong balls. I have to determine ...
*September 9, 2012 by Amy*

**jiskha and other website question???**

is there any other website like jiskha that you can post your question for free and don't have to give them your email? it doesn't have to be for homework of course though...???
*March 13, 2014 by BEEP*

**Algebra 1**

(b+2)(b+6)= Try multipling the brackets out first and dont't forget BODMASS Multiply every letter and number in the brackets by the other munbers and letters in the other bracket
*April 16, 2007 by Chastidy*

**history**

I have already been to this site and I cannot find an answer to this question.
*September 13, 2009 by Matt*

**English**

One of my friends may have said a question similiar to this... Which word would be correct? I have (all ready or already) sliced the carrots for the stew.
*December 29, 2009 by Kagura*

**English - ms. sue**

ms. sue this be the first bit half of chapter 1. the main character talk about millenium issue i not really get it. question be how simple it be for issues to get out of control. "I am ninety. Or ninety-three. one or the other. When you're five, you know your age down to the ...
*April 26, 2012 by Mohammad*

**QNT/351**

Describe a business situation, other than what has already been selected by fellow students or selected from the team assignment, where mean and standard deviation can be used in decision making. Describe how calculation of mean and standard deviation can help in making a ...
*November 26, 2013 by Karen*

**Environmental Science**

I have been studying for several hours and am having problems with finding the answer to this question. Can anyone help please? Conservationists argue that watershed protection and other ecological functions of forget are more economically valuable than timber. Timber ...
*April 18, 2011 by Sandy*

**DrBob**

please answer below i have a question on something already asked thanks
*September 6, 2009 by jake*

**GEOGRAPHY**

I HAVE ALREADY SUBMIT MY QUESTION BUT NO ANSWER HAVEN'T CAME BACK
*May 8, 2011 by Delneisha *

**Chemistry Help!!**

which element do not combine readily with other elements because they already have eight electrons in their outermost shell?
*October 20, 2011 by Maci*

**Intro to Economics**

Past expenses are irrelevant to decisions to supply now, because A.people forget the past quickly B.it is esssential to avoid bankruptcy C.supply decisions depend on opportunities thst will have to be forgone, not opportunities already forgone D.expenses incurred in the past ...
*October 11, 2010 by Brittany*

**English**

Hi, I am reading a story called, "I'm Black, You're White, Who's Innocent" I just have a question on what "account" means in this question? I looked up the definition but came up with many. Could someone explain to me this question in a different way? And also the question "...
*October 15, 2009 by Kuromi*

**Religions of the World**

For my final project I have to conduct an interview with someone with a different religion other than my own and visit their place of worship. I have to pick a religion..Any Suggestions? and also.. I need to conduct an interview asking 10 questions. Three questions are ...
*June 19, 2009 by Jen*

**English**

I still have a few doubts on the use of to/at/in after have been. Thank you for helping me. 1) I haven't gone out for a walk. I have already been to school (or at school) today. I haven't been to the cinema yet today. 2) I've already gone shopping online. I've already done ...
*April 19, 2012 by Matthew*

**English**

Writeacher, I really hope you can have a look at my last examples. I need to know which are wrong. I still have a few doubts on the use of to/at/in after have been. Thank you for helping me. 1) I haven't gone out for a walk. I have already been to school (or at school) today. ...
*April 19, 2012 by Matthew*

**Math**

here is the question: Freida must take a 4-hour exam containing 200 questions, 50 of which are math. Twice as much time should be allowed for each math ques as for each other type of question. What is the total # of minutes she should allow for the math question?
*November 12, 2009 by Sophia*

**Geography**

Where is Child Poverty? i already know developing countries, and names a cuple of examples is there any other information??? next question is when did child poverty occur???
*November 5, 2009 by Clueless*

**Grd 12 U English**

I am the discussion director for my group. I have to grab 4 reallyyy good discussion questions for the book The Kite Runner. I already found one good question, I need the other 3. It has to be from chapter 1-3 PLEASE help me out, i'm so stuck, honestly I really want my group ...
*July 8, 2013 by Kristen*

**Math**

Hi...i asked a question about 45 minuets ago, and i have been working at it still. I still havn't gotten an anwser! Could somebody please help me! The question is, "this staircase has 3 steps (their are 6 blocks lined up as a staircase) How many blocks would you need for a 2-...
*May 26, 2008 by Dawn*

**Maths**

I have already asked this question but I have to use my calculator to solve x^2 + 8x + 5 = 0 Someone gave me a link to a quadratic formula solver but when I enter it into my calculator I nvever get the right answer.
*September 17, 2009 by Remy*

**English**

1. She has already bought the tickets. 2. She has bought the tickets already. 3. Already she has bought the tickets. 4. I am already ready to go out. 5. He already finished his homework. ---------------- Which ones are correct?
*July 14, 2014 by rfvv*

**English**

Sorry, for asking you the same thing again, but I really don't know if I have to leave these two sentences as they are. 1. I have already been at school today. 2. I have already been to school today. (Is there a difference between them?) 3.I haven't been to the cinema yet to ...
*April 19, 2012 by Matthew*

**math-algebra**

Find three different ordered pairs that are solutions of the question x=2 and you have to use -1,0,1 for thje subsitut of y or x i dont know.im so confused please help i don't know the ansrer math is hard I can see why you are confused-- so am I. If x = 2, that is just a ...
*October 23, 2006 by sarah*

**physics**

why the electric and magnetic fields are perpendicular to each other? why we need ampere circuital law when we already have bio sevarts law? why we use sin(theta) in the bio sevarts law why not the other ratios?
*August 2, 2014 by shiva*

**math,help**

Can someone explain to me the reasoning involved in each step when simplifying the fraction 42/56. I had this question wrong in my previous exam...I don't know what i was thinking when answering it......but i like to know what was the actual responce for it....thanks ...:-) I ...
*March 4, 2007 by jas20*

**Reiny to Gina (logic)**

I saw your reply re my late night solution to your pumpkin question http://www.jiskha.com/display.cgi?id=1224212047 I did indeed make two typing errors, which even though they do not change the actual answer, nevertheless would have caused confusion. I will repeat my solution ...
*October 17, 2008 by Reiny*

**main ideas study unit**

both greta fred were on the bus that arive in pittsburgh .fred was glad to be home .he looked to the visiting with old friend greta , on the other hand , dreaded seeing her old boyfriend. she already miss her day a-already miss b-on the other hand c-looking forward d-both ...
*January 12, 2011 by nicole*

**Math**

I have to solve this inequality, but i forget how to do it. I remember your supposed to do something special when your like subtracting a negative from both sides? Y-5>-6
*March 24, 2008 by Emily*

**history...sort of**

i am doing a research project on media scares or media rumors that have frigntened people throughout history and how society has reacted to them. I already have the y2k scare and the war of the worlds brodcast scare. I would like a couple other scares to report about. please ...
*May 3, 2011 by penny lane*

**literature**

can you come up with any symbols in "to kill a mockingbird"? I already have the mockingbird as a symbol.. any other? thank you
*October 1, 2009 by regina*

**3 Inequality questions, (Algebra 1)**

1) -2/5x-9<9/10 2) 4x+6<-6 3) q+12-2(q-22)>0 plz help me with these inequalities, I have already done 27 other questions like them.
*October 30, 2013 by Gabby*

**Physics**

I am stuck on this question and not really sure what to do for it. I think that i can use this equation Q/dt=e*sigma*A*T^4 for it, but i'm not getting the right answer for it. Is this not the right equation? Question: Electronics and inhabitants of the International Space ...
*April 5, 2011 by Eliz*

**calorimetry**

please, someone answer my question i posted already I answered your question within 15 minutes. It is posted. Hit the refresh button of your computer. sorry that my question took youthat long, but it was of great help. glad to help. Thanks for using Jiskha.
*January 18, 2007 by claudia*

**Logic (quick yes or no question)**

quick yes or no question Is the sun the center of the universe or the earth the center? Neither. The sun is the center of the solar system. Each individual point can be considered the center of the observable universe. The wrote answer of course is no, neither are the center ...
*November 30, 2006 by Bryan*

**physics**

1. Air flowing through a vent pipe of cross-sectional area 21[m^2] is traveling 0.89[ms^-1]. What is the flowrate? [18.7 m3s-1] Answer with three significant figures (don't forget to round!) or N/A if there is not enough information to answer the question. 2. Before the vent ...
*March 22, 2013 by Sean*

**Microeconomics**

What is the supply, demand, and the price discrimination for John Q the movie? I have to write an enconomic principles paper about John Q, I have a full page typed already but im having trouble with the with the question above so can some one help me please???
*July 18, 2010 by LaTarial*

**math**

is there any [legal, of course] calculator software? i wish to have the software on my computer so i have a version of the TI 89 available even if i forget my calculator.
*November 19, 2011 by Cody*

**Math**

What is the value of y if x = -3? y = 1 = 2(x-5) Plug in -3 for x, in the equation for y, and see what you get. I think you copied the problem wrong. Is the first = sign supposed to be a + or - sign? If not, you have already stated that y = 1. That cannot be true when x = -3. ...
*June 29, 2007 by Ruby*

**English**

1. What is the opposite of "upside down"? 2. Don't tell me, because I already bought many postcards for you. 2-1. Don't tell me, for I already bought many postcards for you. 2-2. Don't tell me because I already bought many postcards for you. (What is the difference among the ...
*September 17, 2009 by Tom*

**trumpet lily**

iam doing a project on a lily and i need to know if it reproduces asexually, sexually or both trumpet lily Your question has already been answered from your previous post. Please do not repeat the same question, since it detracts from other posts that need answering. Thank you...
*March 18, 2007 by jessie*

**To rajesh jain**

Do not post any question more than once. Currently, I don't see any physics tutors online. Please be patient and wait for them to find what you have already posted.
*January 12, 2013 by Writeacher*

**math**

how many 5-digit palindromes exist? i get 9*10*10*10*9=81000 is this correct? my thinking being that the first and last digit must be 1-9 and the other 3 0-9. thanks again for the time and effort. oh, and if any of you fine folks have the time could you browse down to my other...
*October 25, 2008 by courtney's dad*

**Algebra II quick question**

I have to do translations, and it says change the x like this y= (-x, y ) So, what if the X is already negative? Do I make it or positive or keep it negative?
*August 12, 2013 by Bryce*

**Physics **

Can someone please help me with this physics question? I have most parts of the question answered already. (i only need help with b and c). Thanks The motion of a body is described by the equation 3.50 sin (0.100ðt)where t is in s and y is in m. (a) Find the amplitude 3.50 m (...
*April 23, 2011 by Anonymous*

**Gaelic**

Can I have a list of all the different types of Gaelic currently spoken in the UK? I see that my friend has already submitted a similar question!
*March 27, 2008 by Máire*

**Calculus - MathMate Please help**

I asked this question on last thursday and u told me that the bottom limit for the 1st and the right limit for the 2nd area is missing? The question that i posted had no other information and i dont know why you said that the limits are missing. There is no other limits that ...
*November 29, 2010 by K*

**Chemistry HW Help!**

I really need help with the following question.... What is the volume, in liters, of 0.250 mol of hydrogen gas at 20 °C and 0.974 atm pressure? I also would like to let you know that before you can put the numbers into an equation and solve for the volume, you need to convert ...
*April 29, 2008 by Kiara*

**~Chem**

I was looing over this question and the answer I got was not correct, I noticed that somone already posted this question up before but maybe if I provide the answer I could get an understanding of the steps. @462degrees the reaction heat + 2NOCl <=> 2NO + Cl2 has an ...
*May 8, 2007 by Jason*

**algerbra**

Find the GCF of each product. (2x2+5x)(7x - 14) (6y2 -3y)( y+7) When the term "Greatest Common Factor" is used, it applies to a pair of numbers. The terms you have liated are polynomials that have already been factored. They could be further factored into 7x(2x+5)(x-2) and 3y(...
*July 2, 2007 by Susie*

**Question**

do I have to post my essay if I want it proodread? is there any other way--- because I don't wish others to read my essay.... There is no other way here. M we do essays all day long other students are interested in their own answers. dont worry.
*November 26, 2006 by M*

**Pre-Algebra**

I need help with this one question; can someone please help? Give any three ordered pairs that are solutions of the equation: 2x - 3y= 12 I already have one (9,2) Thanks! -MC
*May 6, 2009 by mysterychicken*

**calc**

What are the intercepting points of y^2=-4x and x^2=y I set both equations equal to 0, but only get x=0 and there is another intercepting point. please help! You can solve for one of the equation and substitute it into the other equation. In this case you already have y=x^2 so...
*December 7, 2006 by nick*

**Math**

Find the value of x 40-x/3=4 please not the / means a fraction. I already know that x is 28 when I first saw the question but I'm not sure how to show my working out.
*November 13, 2013 by Anonymous*

**english**

i have an assignment and i have already finished it. which is on writing a film review and there are 5 paragraphs to it so i already wrote the 4 paras but in the last paragraph it says you have to write two sub points and 2 descriptive evidences on how this connects to the ...
*April 21, 2014 by lisa*

**English grammar**

A beggar with two children ____ taking a rest in the shade. (be) In the sentence, the subject is 'a beggar'. 'Two children' is not the sucbject of this sentence. Bracket 'with two children'. Then you can notice that you have to use a singular auxiliary verb 'is' in the blank...
*December 10, 2007 by John*

**Socials (help)**

Medieval Castles: what allowed a castle community to function independently for a long period of time? I have a big project to do and I did all the other questions already but I'm stuck with this one. Please Help!
*February 6, 2012 by Bailly*

**social studies**

for the mount tai part, i have the info already. is there any other reasons? it is in the ancient china ms.sue is the one that answered the ? i need 2-3 more reasons
*September 23, 2010 by Samson*

**Political Studies**

Hi. I kinda need some help. I need some against points on the topic "That Australia should have a space program" I have already looked at the other posts but I still need more. Oh and any Ideas for a possible split? Thanks in advance Minnie
*February 28, 2009 by Minerva Wisdom*

**English**

I am not wanting for anyone to do my work, I just was a point of view. I have already done this and is completly finished. If this is not believed, you can look at my other english posts. My request is: Write an introduction for an essay in which you are to write about the ...
*October 11, 2006 by Gina*

**urgent**

how much heat energy is required to raise the temp of 5 kilograms of coal from 20 degrees celsius to 220 degrees celsius? A 314 J B 6,573 J C 1,314,718 J D 4,187,000 J You asked this question already. See my other posted answer.
*August 3, 2005 by alf*

**math-moneyfractions**

i have some math questions that i really ,really,need help with asap if any body can explain some of these questions that will be great help.Ok here are 3 of the questions i am about to type now ok the first one says,whole 16 nickels a.circle 3/a of the nickels b.how much ...
*February 18, 2009 by chemaya*

**(chem) this will make me or break me :(**

1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas occupies a volume of ...
*May 23, 2013 by ty*

**URGENT MATHS**

I got 2 questions and I've been stuck on them for days and its due in 2 days. 1. For a quick way of doing multiplication, you can do: for example: 81 x 89=? First you do 1x9=9 in which case you have to add '0' in front of it to make it 09. Then you add 1 to any of the 8s and ...
*February 1, 2008 by Sindy*

**math**

Hi i have a math exam tomorrow and i wanted to get some extra practice so can you please find me free online math tests. Please do not give me "Proprofs" as one of the websites. I have already tried their website and it did not help :D
*January 27, 2010 by clueless*

**chem ! help its killing me to :/**

1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas occupies a volume of ...
*May 23, 2013 by john*

**11th grade:AP Biology**

This is concerning Ecology. Question: You turn on a light and observe!@#$%^&roaches scurrying to dark hiding places. What have you observed? A. taxis B. learned behavior C. migration D. visual communication E. operant conditioning I have already crossed out migration; however...
*December 3, 2008 by Matt*

**physics**

A driver of a car traveling at 16.7 m/s applies the brakes, causing a uniform deceleration of 2.5 m/s2. The first question is - How long does it take the car to accelerate to a final speed of 13.9 m/s? For this i got 1.12 and that's correct. The second question is - How far ...
*September 6, 2011 by John*

**Personal**

I have a question about like life... it relates to school as well. Like I have a huge project due THIS Thursday and I helped take care of my friends dogs and I have to take pictures of them and my friend says I can take them now and when I ask her she always says she can't.. I...
*March 18, 2014 by Anonymous*

**secondhand lions essays**

I have to write a typed (doubled spaced)1 page essay on each of the following ... Discuss the scenes where the boy speaks his own opinion what do these scenes tell you about the boy? How did the decisions made for the boy affect the boys life? How does this movie define family...
*July 24, 2005 by Hanna*

**AP BIOLOGY LAB**

I am doing an ap biology lab on plant photosynthesis. It's specifically lab # 4 on plant pigments and photosynthesis and it's on question # 8 on Exercise 4B: Photosynthesis/ The Light Reaction. Identify the function of each of the cuvettes. I already have gone to the lab bench...
*November 2, 2008 by Roger*

**science**

forget that question its done.! When earth passes through the moons shadow, we see words lunar eclipse,or, solar eclipse
*April 28, 2009 by erika*

**math**

I need help with this question. Write the equation of the line which contains the point)0, -3) and whose slope is 4. A general line equation can be written as y = mx + c, where m is the slope and c a constant. so we can write this as y = 4x + c Substituting the point (0, -3) ...
*April 18, 2007 by Taylour*

**Math**

Hi, I need a little help with solving this question for c: (2c-1)^3=4c^2-1 I did this already: (2c-1)^3-(4c^2-1)=0 (2c-1)^3-(2c+1)(2c-1)=0 But I need help with the next steps... Thank you!
*October 27, 2008 by Lucy*

**Grade 12 Physics**

CAN SOMEONE PLEASE HELP ME WITH MY QUESTION I AM REALLY STUCK!!!!! SOMEONE ANYONE!! I need some help, my brain hurts already just over analyzing this question! [_] [_]Thanks! [_]
*September 12, 2007 by Haley*

**math**

DO you have to type all of the information in when submitting the work to be viewed. I have already done the work and I have the answers also. It is 36 questions . Is there anyway I can send it to an email. This is a very important assignment and i just want to have a second ...
*September 5, 2009 by tamara jones*

**English**

Please check my work. Which word is correct? 1. I think (there, their, they're) son is the quarterback of the team. ---> "there" 2. The strom didn't have as much (affect, effect) on our community as it did no others. ---> effect 3. He is much bigger (than, then) remember...
*July 20, 2011 by Priya*

**Algebra**

I have an assignment due tonight and I believe I have solved it all correctly until I come to part d of the question. "For what value is this equation undefined?" How do I determine this? The Environment Environmental and wildlife preservation ensures future generations will ...
*March 8, 2009 by James*

**arithmetic**

I know that this question had already been answered. But still I could not understand. Calculate this question and write the answer in standard form.The answer should come 5*10. (4.5*10^12)divided by (9*10^10)
*August 31, 2009 by Eman*

**How do i do this maths question??**

A sector of a circle with radius r cm contains an angle of θ radians between teh bounding radii. Given that the perimeter of the sector is 7cm, express θ in terms of r and show that the area is r/2(7-2r)cm square. Hence, find the maximum area of this sector as r ...
*June 19, 2009 by Danny*

**Geography (Ms. Sue)**

In what ways are Eastern Europe and Northern Europe different? I know you have already told me of what to consider and ponder about, but I am truly struggling with this question. Is there, perhaps, a link you could provide for me?
*October 6, 2013 by Anonymous*

**math (college algebra)**

Ok I have two questions I have NO CLUE how to complete on my homework. Please help ASAP! (1) Solve the formula for the specified variable r = vx for r (the question is) v = ? a = 1/3f * p for f (the question is) f = ? (2) Solve the forulma for v S = D + vm (the question is) v = ?
*September 2, 2010 by Sam *

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