Friday

May 22, 2015

May 22, 2015

Number of results: 126,717

**MATH, 3rd time i posted this**

can someone please help me, i posted this like 3 times. i need help on a couple of questions. I did all my other questions but i need a lot of help with the word problems... 1. The side length of a small square is s. A larger square has a perimeter of 124.8 cm. Its sides are 3...
*March 26, 2013 by Olly*

**DEsperate to undertsand-Chemistry**

The pressure of gas is measured at 550 mm Hg. Calculate the pressure in a. Torr b. lb/in2 c. atm d. in Hg How do I set up these conversions to get the [prper calcu;ations...step by step? This is the 3rd time zzzzzzzIve posted this question and I need to know how to get the ...
*May 4, 2012 by KL*

**SS7R - Bill of Rights Project**

3rd Amendment In the 3rd Amendment homeowners donâ€™t have to put of soldiers in their homes. No soldier shall, in time of peace be quartered neither in any house, without the consent of the owner, nor in time of war, but in a manner to be prescribed by law. is there anything ...
*April 10, 2012 by Laruen *

**chemistry**

The activation energy, Ea, for a zeroth-order reaction, X-->products, is most readily obtained from the slope of a plot of: (choose from below) -[X] vs time -ln k vs time -rate vs time -[X]^2 vs time -ln[X] vs time -1/[X] vs time -ln k vs 1/T, where T is temperature in -ln ...
*June 18, 2014 by Jin*

**Attn: Staci**

I posted a response. At this time it is on page 2 but will progress further from page 1 as more new questions are posted.
*March 4, 2010 by DrBob222*

**3rd grade math**

Writing in math, how would a 3rd grader explain how to use multiplication to convert yards to feet?
*December 10, 2009 by Julie*

**math 115**

- (-4)3rd power + (-3)2nd power - .5 3rd power is 72.875 correct? The 4 is negative because its to the 3rd power, but the negative before it makes it positive, am I right? thanks
*November 3, 2009 by Carina*

**3rd garde math**

what is 12 x 12? im having a hard time can anyone help me??????????
*October 1, 2014 by lily*

**algebra**

if a+b=1 and a squared + b squared=2 what does a to the 3rd + b to the 3rd equal? If b is 1, b cubed is one. That would work for the first half, but doesn't extend to a to the 3rd+b to the 3rd and what weould 2 squard be? Thank you so much for helping Are you saying: if a+b=1 ...
*May 13, 2007 by janice*

**to Math Mate**

I posted a response down below to Math Mates comment I posted this because I was afraied nobody would see it...my physics lab thanks oncce again
*June 1, 2009 by to Math Mate*

**3rd math**

a clock starts at 5:05. what time is it after the minute hand rotates 12 degrees
*March 13, 2013 by nicole*

**Algebra II**

The problem is 5x to the 3rd times (7x)squared. I multiplied (7x)(7x) first and got x squared + 14x + 49. Then I multiplied each of those by 5x to the 3rd and came up with an answer of: 5x to the 5th + 70x to the 4th + 245x to the 3rd. Did I get this one correct??
*February 3, 2008 by Lucy*

**math**

3 lights started at the same time..1st blinks at 5 seconds, 2nd at 6 seconds and 3rd at 4 seconds...how often will they blink at the same time
*September 16, 2009 by stacey*

**Science**

A CHILD IS BORN ON EARTH IN 2000. yOU ARE 94.6 TRILLION KILOMETERS AWAY FROM EARTH AND YOU SEE THE CHILD'S 3RD BIRTHDAY. HOW OLD IS THE CHILD AT THE TIME OF THE CHILD'S 3RD BIRTHDAY?
*February 7, 2008 by Chelsee*

**3rd Grade Math**

There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class? How can I explain this to my 8yr old in 3rd grade? I've got myself so confused in the process of trying to figure it out ...
*October 2, 2012 by Lisa*

**math**

chopsticks ain't nothing wrong with me and i am a woman my computer was messing up at the time and i did not know if the message was posted or not
*February 4, 2009 by DAVISHA*

**calc**

Please help me you guys, this is the 3rd time I have posted this question. Is anybody going to help me with this problem? A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The revenue (in $ billions) from selling x ...
*February 20, 2007 by Lia*

**To CASSIE**

I found an error in that ethanol(whiskey) problem. I posted a correction at the original question. If you can't find it let me know and I'll give you a link to it. At this time it's on page 5 or 6 but that will change with time.
*March 26, 2015 by DrBob222*

**Math PLEASE HELP**

No one was answering my questions for the first question I posted so I posted it again. answers for 12345: 1. 9 3/5 2. 4 1/2 3. 4 3/4 4. still 7 6/9 5. still 10 16/18
*December 1, 2010 by Pratigya*

**Grammar Advisor**

I just cannot figure out if these answers are correct or not. Can you please help me? 78. If the sound system hadn’t failed, last night’s show would have been better. This is a correct sentence using the 1st conditional form. x This is a correct sentence using the 2nd ...
*September 25, 2013 by William*

**Math.G.P**

The 1st term of a G.P is equal to x-2,the 3rd term is x+6 and the arithmetic mean of the 1st and 3rd terms stands in the ratio to the 2nd 5:3.find the value of x.
*February 14, 2014 by Miracle*

**math 3rd grade**

How can you use 4x7 to find 8x7? find the product. I dont understand this how can i expect my 3rd grader to understand.
*November 26, 2012 by Sarah*

**Math**

Posted a question on the 2/12/12 at 3:48PM and was never given an answer. Guess the math problem is too hard for anyone to solve. How do they expect me to answer it if no one else can? Thanks for your time. Parker.
*February 15, 2012 by Parker*

**Math HELP!**

I posted a few questions and then went back and posted how I thought they were supposed to be answered. Could someone please locate my earlier questions and tell me if I am on the right track?
*September 24, 2010 by Sabrina*

**math,drbob222**

I'm sorry the problems i posted had a couple of errors how i posted it here they are: Posted by DrBob222 on Friday, November 24, 2006 at 6:19pm in response to Math. Thanks for showing your work. It helps us to know where you are having trouble. #4. [25/ (2^3-3)]*2 the star two...
*November 25, 2006 by Jasmine20*

**Jiskha**

I typed several questions and answers regarding the subject of Geography, and suddenly, as I was waiting for a reply from Ms. Sue, it seemed as though my questions were deleted from the webpage where all of the other questions are posted. I do not know where I may be able to ...
*October 6, 2013 by Anonymous*

**To Fay1985 - math**

Your post was removed. Please tell us your thinking on the 25 questions you posted. Attempt some answers, and we'll be glad to help you. Also -- I don't believe that you posted complete information for many of the questions.
*January 17, 2009 by Ms. Sue*

**3rd grade**

my need help with 3rd grde social studies
*September 29, 2009 by T*

**math**

the bus route also passes through balmorhea which is 1 3rd of the way from el paso to san antoio. about how long does it take the bus to get to balmorhea You told us the distance from El Paso to San Anotonio is 560mi, so the distance to Balmorhea = 560/3. Using distance = rate...
*October 2, 2006 by chemiii*

**3rd grade**

Do 3rd graders learn algabra
*September 22, 2010 by Anonymous*

**conditional sentence**

1. If the sound system hadn't failed, last night's show would have been better. a. this is a correct sentence using the 2nd conditional form b. this is a sentence using the 3rd conditional form Answer a. 3. if the club's manager agrees, they'll play a few more original songs ...
*June 12, 2013 by Jim Collum*

**math**

83 3rd graders 115 4th graders 150th graders all the 5th graders will be on one side and all the 4th graders will be on the other side the 3rd graders will be split up so that the two sides will have equal number of student how many 4th graders ?how many 3rd graders will be ...
*September 30, 2014 by dexter*

**Math: Factoring**

I'm having a hard time factoring polynomials, especially 3rd degree. -x^3+2x^2+4x-8 -x^3-5x^2+20x+12 I don't know how to begin. I thought long division, but what would I divide by?
*December 2, 2007 by Amelie*

**3rd grade**

how do I write the time in three different ways for 3:50
*December 2, 2008 by Ross*

**math**

6 runners run in a 500 yard dash. Prizes are awarded for 1st, 2nd, and 3rd place. Assume there are no ties, how many different orders can the runners finish 1st, 2nd, and 3rd?
*August 19, 2013 by peter*

**Math challenge **

There are 3 circles divided into thirds with a number in each third. The 1st cirlcle has 18, 23 & 49. 2nd cirlce has 25, 62, 38. The 3rd cirlce has ?, 17 & 39. We need to figure out what number is missing from the 3rd circle, and how you figured it out.
*December 6, 2012 by Gabby*

**to Nazgul**

You have posted the same thing, time after time this morning, and you've received the same response from several people here: You need to post what YOU THINK the answers are, and then someone will be able to help you.
*March 8, 2011 by Writeacher*

**math 140**

I have two questions posted that has not been answered please help. The questions were posted on March 18 please help.
*March 19, 2013 by betsy*

**Intro to Probability, please check my work.**

A fair coin is flipped three times. You win $5 every time the outcome is heads. Let the random variable X represent the total number of dollars you win. (a) List the sample space. (b) Determine the probability function of X. ====================== Answer: a) 2^3= 8 ...
*February 17, 2008 by Amelie*

**social studies for the 3rd time**

I need something that s related to California that starts with a Q
*June 11, 2008 by Andrew*

**3rd grade math**

in a survey, 8 out 10 students said they would like more time for recess. out of 100 teachers, 78 said they would not like to add more time for recess. write these figures as decimals and compare them
*January 29, 2013 by mythreyee*

**math**

You offer to do the dishes for your family for the next month.This month has only 31 days. You suggest that they can pay you in one of three ways: A. $0.50 each day.(I already did this;=$15.50 a month. B.$0.10 the first day,$0.20 the second day,$0.30 the third day,and so on. C...
*December 17, 2012 by Serpentlord123*

**Math**

A) Let x represent the number of messages posted each month on a social netwroking website. B) let x represent the length of time it takes to get to work. I got A) continuous B) discrete Am i correct??
*May 5, 2015 by Aqueen*

**Japanese**

On thursday I posted a question. I had done most of the work I just didn't put those things in my book. I have figured out some of those that I posted on Thursday and I have done everything else but can someone tell me what these answers are in Japanese(romaji) 1. I go to ...
*April 15, 2011 by Caity*

**Math/Standard and scientific notation**

Express each measure in standard form. (One more thing by the way you need this few prefixes) Tera= 10 to the 12th power Giga= 10 to the 9th power Mega= 10 to the 6th power Kilo= 10 to the 3rd power Pico= 10 to the -12th power Nano= 10 to the -9th power Micro= 10 to the -6th ...
*February 25, 2009 by Sandy*

**help help helppppp pleasee**

ý posted some question of physics... please any one answer me.... qyestions are bellow ý posted before 3 hours...
*March 1, 2012 by ADRÝAANA*

**3rd grade**

Teaching 3rd graders compatable number? Is there a rule? I have taught them to group numbers that add up to ten. I also told them think of it as rounding to nearest 5. Am I steering them in the right direction?
*September 22, 2010 by Teach3rdgraders*

**math **

i am sorry ms.sue i just changed because i ashamed that i always posted question on my homework and i afraid that anyone might not help my homework because of keep on posting but i really thanks to you and i hope you will help me to solve the problem i posted thanks and ...
*February 13, 2011 by maria*

**Algebra **

|a+2 3z+1 5m| |4k 0 3| + |3a 2z 5m| |2k 5 6| = |10 -14 80| |10 5 9| I think I posted right this time I need the values of the variables in each equations.
*December 17, 2009 by mike*

**English**

How would a 3rd grader classify this sentence using s, scs and scv? And where can I learn how to teach this better to my 3rd grader. Read your library book quietly at your desk. Thanks
*December 30, 2010 by Nicole*

**Math**

Hi everyone, I would like some help with Math.. And I would like help but if you have time.... My question is: (8x101)+3x101+(7x101010)= I don't really know the answer to this, but while i have this posted I will try to find a way to figure it out. Thanks!!!!
*September 30, 2008 by Carly*

**3rd grade Math**

In Harry's attic there are 3 spider webs. The first web is twice as large as the second. The 3rd web is 3 inches larger than the 1st web. The combined width of the 3 webs is 1 foot and 6 inches. How long is each web? Please provide explanation along with answer. Thank you in ...
*January 6, 2011 by Dominique*

**3rd grade math**

sara is making birthday cards. she takes 1 hour to make 5 cards. on tuesday, sara made 25 cards. how long did sara spend working on the cards on tuesday? how do you the explain answer to a 3rd grader
*February 7, 2011 by Anonymous*

**3rd grade**

3rd grade Explain how to add with carrying give example
*November 4, 2009 by Jesse James*

**To Aly**

You have posted the identical post several times, but obviously did not take the time to read the responses you have received. Please scroll down and find your earlier posts -- and read the responses. Your posts are blocked for the time being, to give you plenty of time to ...
*November 14, 2010 by Writeacher*

**Math 222**

Homework Help: Math 222 Posted by Tika on Monday, April 27, 2015 at 5:10pm. Posted by Tika on Monday, April 27, 2015 at 1:08pm. what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
*April 27, 2015 by Tika--PLEASE HELP*

**physic**

A car traveling at 80km/hr decelerates at 1.5m/s^2. Calculate a) the time it takes to stop. b) The distance travelled in the 3rd second.
*May 16, 2013 by Anonymous*

**Socials 1 question**

I posted this before...I am doing a brochure on the Inuit. I need a catchy phrase on the cover about the Inuit, can you please help me think of one. the brochure is suppossed to be brought from a time machine, saying I went back in time. Any suggestions considering this... thanks
*April 17, 2013 by Olly*

**3rd grade student teacher needs your help plzzzzzz**

I am creating a unit on public transportation in New York, but i am having a difficult time designing lessons to teach 3rd graders about public transportation. I was planning on giving the a word search, allowing them to explore various websites, and to interview a grandparent...
*September 28, 2008 by Trisha*

**To whoever "Anonymous" is**

You posted this: Posted by Anonymous on Thursday, July 25, 2013 at 10:16am. Provide a brief overview of government policy toward Native American’s during the period of 1850 to 1900 and the impact this policy had on their lives. You posted your entire assignment without asking ...
*July 25, 2013 by Writeacher*

**Written Analysis**

I am in need of some help with my 4-6 paragraph summaries on discrimination. I posted yesterday but couldn't get the paper going with the ideas posted. Not to offend my helper/teacher/instructor. Keri
*November 12, 2011 by Keri Ann*

**NARAYANA JUNIOR COLLEGE .PHYSICS**

2 PARTICLES [FREE TO MOVE] WITH CHARGES +q and +4q are a distance L APART. A 3RD CHARGE IS PLACED SO THAT THE ENTIRE SYSTEM IS IN EQ2UILIBRIUM.FIND THE LOCATION,MAGNITUDE AND SIGN OF THE 3RD CHARGE
*March 31, 2012 by B.Y.SARAT*

**Math 222**

Posted by Tika on Monday, April 27, 2015 at 5:08pm. Posted by Tika on Monday, April 27, 2015 at 12:44pm. How do I make a perfect square. Sorry my addition key isn't working y^2-18y plus______
*April 27, 2015 by Tika--PLEASE HELP*

**Math Rational Functions-Please Clarify =)**

I have a question about the rational function I recently posted. Would the range still be (-∞,2)U(2,∞) if the rational function is what Reiny posted "(2x^2-18)/(x^2+3x-10)." The y-intercept confuses me because its (0,1.8) and when I look at the line it passes ...
*October 15, 2012 by Enlia*

**statistics**

A researcher is investigating whether, on average, 3rd grade males have significantly different creativity scores than 3rd grade females. She samples students from a large school district where she works. What is the independent variable?
*October 31, 2011 by Anonymous*

**Math**

I posted this problem the other day and someone answered it but when I checked my book I realized that I wrote the problem wrong. This morning when I posted I had put the wrong answer. The answer is suppose to be 1/8 but I don't understand how to solve the problem. Help would ...
*January 23, 2010 by Josh*

**Newton's 3rd Law**

How can I use Newton's 3rd law on a diver off of a diving board? Could I calculate friction against his feet?
*March 22, 2011 by Joe*

**English**

How does the action that a 3rd person omniscient presents contrast to an action narrated by a 3rd person objective? I can't seem to see the difference.
*December 20, 2011 by Amy*

**English**

I'm a 7 Letter Words, You Read me daily, My 5, 6, 7th Letter increases every Year. 3rd and 4th Letter are the Same. My 3rd, 2nd and 5th Letter Covers 75% of the World. What am i?.
*October 6, 2012 by Tesa*

**math**

a 4 digit number my 2 nd digitis twice my 3 digit the sum of all my digits is 3 times greater than my last digit the productof my 3rd and 4th digits is 12 times greater than the ratio of my 2nd to 3rd whats my number?
*August 18, 2011 by richard*

**Chemistry**

I am working on a problem that was posted January 20. Can someone help? I posted an answer to the problem requesting help.
*October 14, 2008 by amy*

**Math**

Use a graphing utility to graph the function. Then use the trace or table feature to identify the limit. lim 5/x-2 x-->2 I know I posted this question before but I am still having a hard time doing this. I pressed the y= button and typed the normal equation in: 5/x-2. Is ...
*May 4, 2010 by Abbey*

**Math**

Use a graphing utility to graph the function. Then use the trace or table feature to identify the limit. lim 5/x-2 x-->2 I know I posted this question before but I am still having a hard time doing this. I pressed the y= button and typed the normal equation in: 5/x-2. Is ...
*May 4, 2010 by Abbey(Please help)*

**help**

If the 3rd Monday of the month follows the 2nd Sunday of the month, then the date of the 3rd Monday is the _____th. a) 14 b) 15 C) 16 d) 17 e) 18 Please explain???
*February 24, 2014 by nisrin*

**physics**

Posted by michelle quendarsv on Saturday, November 20, 2010 at 5:26pm. Posted by michelle quendarsv on Saturday, November 20, 2010 at 3:55pm. if it takes 726 watts of power to move a mass 36 meters in 14 seeconds, what is the mass? i really need like, step by step help please...
*November 20, 2010 by michelle quendarsv*

**READ THIS!**

Please answer my question that I posted at 6:10 quickly because I have to in a little while!!! Your answer is posted. However, you're still going to have to do the math to find the equivalencies. If you'd like to post your answers, we'll be glad to check them. We do not do ...
*June 25, 2007 by Chris*

**3rd grade**

how can i combine this sentence to make one sentence? Do you have the time? Do you wear a watch?
*September 12, 2010 by clarissa*

**math**

Posted by mota THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------- math - drwls 1000. ----------------------- explain please i want to understand this question :) this is my question i posted ...
*March 2, 2008 by mota*

**English**

Posted by rfvv on Monday, August 25, 2014 at 4:45am. 1. It's been a long time. 2. It's been a while. 3. I haven't seen you for a while. 4. Long time no see. --------------- Are they all the same in meaning? Does 'a while' mean ' a long time' or 'a short time'? English - ...
*August 25, 2014 by rfvv*

**Math**

The table below shows the number of molecules in experiment B. Time(h) : 1st , 2nd , 3rd , 4th , 5th No. of molecules : 3 , 8 , 15 , 24, 35 (i) how many molecules will there be in nth hour? (ii) from which hour onwards would the no. of molecules be in experiment B?
*June 18, 2011 by Smartypants*

**Math 222**

Posted by Tika on Monday, April 27, 2015 at 5:11pm. Posted by Tika on Monday, April 27, 2015 at 1:03pm. How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0
*April 27, 2015 by Tika*

**Chemistry**

I've posted this question now three times and no one has responded. I first posted it Sunday 2/11 at 1 pm. Meanwhile, other questions are being answered. Can someone please help... Al^3+ forms a complex ALSO4+ in the presence of sulfate... Al^3+ + SO4^2- = AlSO4+ with Kstab...
*February 12, 2007 by Mary*

**Algebra**

Mutiplying a Binomial by a Trinomial (FOIL) First, Outer, Inner, Last Method (3X+2)(X-1)(X+3) I have tried equation several times. The book says the answer is: 3X 3rd + 8X 2nd - 5X -6 I get: 12X 2nd - 6X + 3X 3rd -4 Not sure if i am doing it wrong or if error in the book.
*April 22, 2008 by G*

**Science/Math**

I have to figure out what percentasge of time each cell is in a phase. I have 5 phases. That equal to 36 cells in each phase. 1st phase 20 cells 2nd phase 10 cells 3rd phase 3 cells 4th phase 2 cells 5th pase 1 cell. This is based on a 24 hour period and each cell added ...
*July 28, 2010 by sheshe*

**To Amanda**

I deleted same lengthy assignment that you've posted three times in the last hour or so. "Posted by Amanda on Thursday, November 11, 2010 at 5:40pm. Continuing Cookie Chronicle (Note: This is a continuation of the Cookie Chronicle from Chapters 1 through 12.)" I don't know why...
*November 11, 2010 by Ms. Sue*

**Precalculus**

I know I posted this question already ,but I posted the wrong one.... Sets A,B and C are subsets of U. U= positive integers less than 16 A= prime numbers B= factors of 36 C= multiples of 4 (A intersect B)' INTERSECT C {?} I meant INTERSECT not union! My answer: 4,8,12
*April 27, 2014 by Anonymous*

**To Chemistry question/Sonny**

I posted a response to your question from Thursday about Mn/Ce at the original post. At the time of this posting that was on page 3.
*October 17, 2008 by DrBob222*

**Algebra II**

The problem states: Saturn is approximately 1.4x 10 to the 9th power kilometers from the Sun. If light travels at approx. 3.0 x 10 to the 5th power kilometers per second, how long does it take light from the Sun to reach Saturn? Express your answer in scientific notation. The ...
*February 3, 2008 by Lucy*

**Math**

find two factors of 28 with the sum of 11. Surely by the time you posted this question, you should have been able to figure out that very simple question. Give it a try!!! Let me know what you came up with. well I think its 7 and 11. I was looking for clarification. wow, and ...
*March 26, 2007 by kg*

**physics**

A curving freeway exit has a radius of 50.5m m and a posted speed limit of 35 mi/h \rm mi/h. What is the radical acceleration (in m/s^2) if you take the exit as posted speed express answer to two significant figures and appropriate units. Thanks for any help.
*September 21, 2013 by deb*

**3rd math**

9 + 3 = ? + 9
*October 26, 2010 by choconcung*

**conditional sentence**

1. If the sound system hadn't failed,last night's show would have been better a. this is a correct sentence using the 1st conditional form b. this is correct sentence using the 2nd conditional form C. this is a correct sentence using the 3rd conditional form answer A 2. They'...
*June 12, 2013 by Jim Collum*

**Math.. 3rd time posting /: HELP PLEASE!**

Tell whether each number is a real number, rational number, irrational, interger, or whole number, and then order then from least to greatest. ( Square root sign) 49, 8, -( square root sign) 4, and -3.
*October 5, 2010 by Dawn*

**fast answer plss**

the sum of four angles about a point is 360degree.the measure of the 2nd angle is 6degreemore than 3times the 1st,the measure of the 3rd is 3degree more than twice the first,the measure of the 4th is 20 degree less than the 3rd.what is the measure of each angle?
*October 11, 2013 by math algebra*

**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*

**physics**

A wheel's uniform angular acceleration is constant. Initially its angular velocity is zero. During the first 1.0 s time interval, it rotates through an angle of 90.0°. (a) Through what angle does it rotate during the next 1.0 s time interval? (b) Through what angle during the ...
*March 24, 2012 by Adam*

**Algebra**

I am having trouble with finding the 1st and 3rd quartiles of a set of data. For example, let's say the data is: 4, 9, 11, 16, and 24<- these are cumulative frequencies. The median (or 2nd percentile)is 11, right? My teacher says it's 12. Then for 3rd quartile I got 20, but...
*April 3, 2008 by Anonymous*

**Intermediate Algebra**

add or subtract the following polynomials as indicated (5.9x to the 3rd power+3.4x to the 2nd power - 7)-92.9x to the 3rd power -9.6x to the 2nd power +3)
*September 7, 2013 by Kimberly*

**Chem**

A mixture of He Ne and 3rd gas exhibit a total pressure of 486 mm hg if the partial pressure of He125mm mm hg and partial pressure of Ne is 214mm hg what is the mole fraction of the 3rd gas in container
*April 21, 2013 by Ray*

**math**

(2x+3y+4z) to the 3rd power
*December 14, 2011 by Roy Jr*