Wednesday

August 31, 2016
Number of results: 75,338

**Math And Science for Young Children**

The conventional problem-solving strategies usually taught have been: A. act out the problem, make a drawing or diagram, and solve the problem. B. look for a pattern, construct a table, solve the problem, and look back. C. understand the problem, devise a plan, carry out the ...
*January 9, 2016 by Tonya*

**Bobpursley**

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

**Management Accounting**

well i try to solve this problem but it look so complicated I need to cash buget what's the problem? check the problem i don't get it check the problem i don't get it
*November 8, 2006 by Erika Quezada*

**Math33333**

Please help me! Problem: x+2 x-3 _________ - _________ 2x^2+5x+2 2x^2-5x-3 *Simplify the expression 2x^2+5x+2 =(x+2)(2x+1) 2x^2-5x-3 =(2x+1)(x-3) So x+2/(x+2)(2x+1) = 1/2x+1 x-3/(2x+1)(x-3) = 1/2x+1 Finally 1/2x+1 - 1/2x+1 = 0 Let's take a look at the problem: (x+2)/(2x^2+5x+2...
*March 3, 2007 by Margie*

**Chemistry**

Write the dissociation equation for iron(II) ammonium sulfate hexahydrate in water . Fe(NH4)2(SO4)2 * 6H2O --> __?________ I know dissociate means to take apart so for example; NaCl would look like Na^+ + Cl^- And another one like: Fe2(SO4)3 would look like 2Fe^+3 + 3SO4^-...
*October 4, 2015 by Christine*

**Chemistry**

Write the dissociation equation for iron(II) ammonium sulfate hexahydrate in water . Fe(NH4)2(SO4)2 * 6H2O --> __?________ I know dissociate means to take apart so for example; NaCl would look like Na^+ + Cl^- And another one like: Fe2(SO4)3 would look like 2Fe^+3 + 3SO4^-...
*October 4, 2015 by Christine*

**English**

You look down. You look blue. You look depressed. You look melancholy. You look gloomy. (Are they all the same?)
*October 21, 2012 by rfvv*

**Statistics**

How do I discover which data set in a problem is more spread out? Do I look at the numbers, or do I look at a histogram or any other type of graph?
*March 7, 2012 by Jill*

**math**

How do I discover which data set in a problem is more spread out? Do I look at the numbers, or do I look at a histogram or any other type of graph?
*March 7, 2012 by Jill*

**Science/Math**

Can someone please have a moment to look at my other previous posts. Please take your time to look through them, thanks
*February 4, 2010 by Sara*

**English-(PLEASE HELP)**

Of Mice and Men. 1. The beginning of the novel includes lots of ladscape info. Describe the setting. (I answered that w/ no problem) Name of place. (I answered this also w/ no problem) What does this place look like? (I don't understand this question-please help) Time in ...
*August 22, 2007 by Anonymous*

**English**

1. Look at the living puma. 2. Look at the live puma. 3. Look at the puma alive. 4. Look at the puma that is alive. (Are all expressions grammatial?) 5. He succeeded to his father's estate. 6. He succeeded in solving a problem. 7. He succeeded in passing the exam. 8. He ...
*March 5, 2010 by rfvv*

**graphs2**

x + 2y = -4 How do I graph this?can you please help? I answered this below. If you are having trouble you must tell us exactly what the problem is. What don't you understand about taking the next step? that is the problem.I got the other one but how do i do this if the y is 2y...
*October 14, 2006 by Margie*

**Dr.Bob - about your post to a previous question**

For that question by Josh on the second page I reviewed what you did and am confused to how you found the g excess reagent (NH3) I posted a response to what I found when I helped Josh with the problem. Could you please take a look at it and check my thinking on the problem ...
*August 24, 2007 by ~christina~*

**please help me or take a look**

37-3[5+4(3-7)] this problem is getting me frustrated because the answer come up with is not an option. i come up with -1224. 145,70,28,and 4
*March 28, 2011 by angiie*

**physics**

how many excess electrons must be placed on each of two small metal spheres placed 3.00 cm apart in a vacuum if teh force of repulsion betwen the spheres is to be 0.000000008 N? how do i solve this problem??=( help please.thx. Use Coulomb's Law: F = k Q^2/R^2 The force is F = ...
*August 20, 2007 by Jarin*

**CHEMISTRY HELP PLEASE**

when I use henderson-hasselbach Ka of HOP4^2- = 4.8 x10^-13 pKa= -lg(4.8 x10^-13)=12.3 substituting I get 7.44-12.3 = lg [base/acid] e^-4.86=[base/acid}= 7.75 x10^-3 according to my textbook this answer is incorrect and should be 0.59 Please Help! IF you are trying to work the...
*May 10, 2007 by Delli*

**english/vocabulary **

Look back at "failing infrastructure" write a letter to your state representative describing an infrastructure problem in your community and urging swift action. thoroughly describe the problem and it's solution, explaining why it is vital to take action immediately. use at ...
*April 15, 2014 by alex*

**Math**

Can someone please help with this problem? Solve by the elimination method. 7r-9s= -58 9r+7s=74 I know that I need to multiply the first equation by 9 and the second equation by 7. The equations look like this: 63r-81s= -522 63r+49s=518 After this I get confused. Could someone...
*April 17, 2010 by B.B.*

**math,help**

can someone set this up for me as an equation so i can solve it. thanks A garden area is 30ft long and 20ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400ft^2, what is the width of the path. see the frame question. if you dont mind i ...
*January 28, 2007 by Jasmine20*

**math...help please!**

ok i REALLY am stumped. please help! it is a sequence problem here is the problem.... 120,60,30 __, __, __. if you could give me the rule for this problem and the next 3 numbers that would be so great!!!!!!
*September 18, 2007 by Rebekka*

**Statistics**

According to a genetics model, plants of a particular species occur in the categories A, B, C, and D, in the ratio 9:3:3:1. The categories of different plants are mutually independent. At a lab that grows these plants, 218 are in Category A, 69 in Category B, 84 in Category C...
*August 17, 2013 by Me*

**To drwls**

I posted some Physics questions yesterday, but no one got the chance to look at them, so can u please go to 2nd page and look through them.
*November 23, 2010 by Anabelle*

**Math**

Each letter in the subtraction problem below represents a different digit from 0 through 9. The digits 3 and 5 do not appear in the problem. Replace each letter so that the answer to the subtraction problem is correct. GRAPE - PLUM ________ APPLE Why would you want someone to ...
*March 29, 2007 by Nathan*

**Math,correction Plz**

Can someone correct these for me please. Problem #68 Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. Using the formula t=(1)/(4)radical(s). My answer: 9 minutes and 35 sec. Problem #2 Use Property 1 to ...
*March 10, 2007 by jas20*

**Calculus: drwls, please**

First, I appreciate your help, and this is very kind of all of you to help us. Now, this problem we are both sick of: we are to use transformations of f(x)= 1/x or f(x)=1/x^2 to graph the rational function: f(x)= 1/x -4. I tried using the information you gave me, but my graphs...
*April 4, 2008 by Pam*

**math help**

Thank you for helping me with the last problem Reiny and Bosnian. However, I have one more problem that I need help with please and I have no idea how work the problem. I used an on line calculator to get the answer. It didn't give an explanation on how to do the problem ...
*April 23, 2012 by Urgent Urgent Please*

**Math**

2x4²(4 squared) that is the math problem i cant figure out if 4² means 4x4 or if it measns 4x4x4x4 please help its the sendond day of grade 9 ,, i dont wanna look dum
*September 3, 2008 by Stephenie*

**Math**

2x4²(4 squared) that is the math problem i cant figure out if 4² means 4x4 or if it measns 4x4x4x4 please help its the sendond day of grade 9 ,, i dont wanna look dum
*September 3, 2008 by Stephenie*

**Accounting**

I'm tryng to draft a End of the Month Income Statement and I'm not sure what items to look for to record under the Revenue section. Can anyone please help or advise me what to look for?
*February 28, 2009 by Precious*

**dr wls - physics freak design problem**

wls, If you get a chance could you look at the "a bit challenging" problem down a little from here. I am not sure my idea is the best.
*February 10, 2008 by Damon*

**Math #2**

If I had a math problem 2x^4 x y^-4 x z^-3 / 3x^2 x y^-3 x z^4. In simpler terms it would look like this: 2x^4 X y^-4 X z^-3 ------------------- 3x^2 X y^-3 X z^4 When I tried to solve this I got 6x^2 X y^-1 X 2^-7. Am I correct? If not could you please help me on how to solve...
*November 26, 2013 by Nicole*

**Stats: Joint Density Function**

Let the joint density function of X and Ybe given by: f(x)={kxy^2 for 0<x<y<1 (0 otherwise what is the value of k? Can someone please help me with this? The formula I used was: ))kxy^2 dx dy (where )) is double integration both from 0 to 1). I worked it out (I think) ...
*October 18, 2006 by Stephanie*

**Chemistry**

Given: Al^3+ forms a complex ALSO4+ in the presence of sulfate... Al^3+ + SO4^2- = AlSO4+ with Kstab = 10^3.01 Question: How many ppm Al(total) would be in equilibrium with gibbsite at pH 4 and 25 degrees celsius in the presence of 10^3- m SO4^2- (consider only this one ...
*February 12, 2007 by Mary*

**classroom instruction**

• Write a 200- to 300-word response describing how you might teach this concept to students in a lower elementary grade and to students in a middle school grade. i picked problem solving i have this so far. i guess for each grade level (elem and middle school) i would present ...
*March 19, 2010 by scooby*

**Science**

I have a science project du and im trying to look for a problem on why the sky is blue. I know that why the sky is blue is a question but i cant find the actuall "problem" The sky is blue because of Rayleigh scattering. I know of no problem with that fact.
*March 7, 2007 by Jack*

**Science....**

Look at my previous post.... Can anyone please answer my science question??? well what's the question? http://www.sinauer.com/cooper/4e/chapter10.html Well, did u look at my previous post??? Hey Lance!! Thanx sooo much!! I got the problem right! I owe u one! Hey Lance!! Thanx ...
*February 22, 2007 by jk1115*

**Algebra**

Please read and then help me! (x^(-3/5)) ----------- divide x ^ (1/5) I know the problem then needs to look like this: (x^(-3/5))(x^(-1/5)) (multiply the two above) Then it needs to look like this: (I can't write it though, so I'll tell you) The 5th root out of (x^(-3)(x^(-1) ...
*July 24, 2007 by Tammy*

**Spanish QUestions LOOK DOwn please!!!**

PLease look down. Thank you.
*May 14, 2009 by luke*

**circuit**

Q1 In this problem, we look at the design of an inverter. For the entirety of this problem VS=7.0V, and all transistors are modeled with the SR model with RON=120Ω. We design the inverter shown in Figure 1.
*June 23, 2013 by Anonymous*

**math in topics**

how many new are needed on campus to prevent students from waiting in long lines for academic advising. 1) understand the problem 2) devise a plan 3) carry out the plan and solve the problem 4) look back and check the answer
*January 25, 2011 by tony*

**Algebra function problem, check/help?**

Set up a function for the following situation: The output of a function is 8 less than 3 times a number. B) Find the input when the output is 13? Would your equation look like: 8<3=13? Or am I doing this wrong? Please help!
*October 19, 2010 by Allyson*

**English**

1. I'll look over your application and call you in a few days. 2. I'll look thoroughly your application and call you in a few days. (Is 'look thoroughly' the opposite of 'look over'?) 3. I will look closely at your application. 4. I will take a close look at your application...
*June 14, 2016 by rfvv*

**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*

**ms. sue**

Cann you look at my problem pls
*May 11, 2015 by Anny*

**chemestry**

Please answer the following THAT I CAN'T!!! Where is Plutonium found? How common is Plutonium in nature? What does Plutonium look in pure form? What does Plutonium's atomic nucleus look like? THANK YOU!!
*March 29, 2012 by lizzy*

**Statistics**

I am having trouble with the following problem: P(Z > +1.34) Would someone help me? If you've already normalized the number you're interested in, then look up in your tables (the normal distribution tables) to find 1.34 standard deviations and look for the probability ...
*October 19, 2006 by Wendy*

**English**

1. Look at the girl's appearance. How does she look? She looks happy. 2. Look at the girl's looks. What does she look like? She looks angry. 3. Look at the girl on the first picture. How does she feel? She feels angry. 4. Look at this picture. Will you describe her feeling? I ...
*March 26, 2012 by rfvv*

**Alegbra**

Solve and graph. I send this problem last night could someone please help me I have trouble with it. x+12<-8 or x+12>2 The solution is { x | x< or X > } please help me with this problem.
*April 5, 2009 by Johnnie*

**Algebra 2**

Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn! h(x)=x^2-9/x^2-4x+3
*March 28, 2014 by Omar*

**Algebra 2**

Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn!F(h) = x^2-9/x^2-4x+3
*April 3, 2014 by Omar*

**5th math**

look at the number of leters robin sorted at her job at the post office. what is the mean number of letters sorted? day------letters sat. 105 Mon. 97 Tues. 88 Wed. 86 please! show me how to do this problem.thanks!!
*January 26, 2011 by pat*

**math**

my topic is all about sums and differences of a rational algebraic expression this is the problem 3a/ax+ay + 2a/ax+ay another problem is a/4a+1 + 2/4a^2-7a-2 another is 3/a-b + 4/a+2b please anyone else who can answer my assignment please HELP ME!
*October 8, 2010 by jazmin*

**Algebra 2**

Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn!@!@!. 49X^6+7X^7/28X^8
*March 28, 2014 by Omar*

**Chemistry**

Okay, so i've got 8 reactions i am supposed to balance "according to the half-reaction method". Only problem is, i was gone for the lesson, and my borrowed notes look like an entirely different language! So if you could please show me the steps and explain how to do the first ...
*May 21, 2010 by Nessy*

**Math**

can you please check this problem for me, and if I happen to get it wrong. explain it? thank you =]]. -6x=54 this is the problem. -6x =54 +6 +6 x = 48 ?? is this right please respond. =]]
*January 7, 2008 by Taylor*

**Problem solving**

Look at the number 13,15,19,25 Describe the pattern.
*November 14, 2012 by Nick*

**math**

(parent). My son's problem says "the product of a number and 17"...supposed to write as expression... I'm thinking it would be a 17x=y but he's adamant that because the word "and" is in the sentence that he needs to add something as well.... (no math books provided by school ...
*January 8, 2013 by Kelly*

**Math**

What is my number? clue 1. my number is a multiple of 2 and 7 clue 2. My number is less than 100 but larger than 50. clue 3. My number is the product of three primes, which are all different. Can some one tell me how to work this problem? Well, let's look at the primes 2,3,5,7...
*September 12, 2006 by arochimero*

**College Algebra**

The sum of two numbers is less than 12. The second number is 8 more than the first. What are the possible values for the first of the two numbers? Your problem would look like this X+(X+8)<12 X ia the firt number and X+8 is the second. 2+(2+8)= 12 so it is any number under ...
*July 25, 2007 by Karen*

**Algebra**

My second question is in section 5.4, problem 39. x+4/x-2 < or = 1; Since the inequality in not , should the answer to this problem in the back of the book be: {x|x< or = 2}, or in interval notation: (-infinity, 2)? Please explain this problem. Thanks.
*January 11, 2013 by Mike P*

**science (chem)**

I have a problem drawing this formula. CH3CH2CH2CH(CH3)CCCH3 The problem is the 2 c's next to each other. I don't know what that's supposed to look like since if it's 1 CH like with the bracketed CH3 it would be connected to that C but I'm confused as to how a carbon can be ...
*August 31, 2007 by ~christina~*

**Algebra**

(3*10 to the second power)(1.5*10 the the negative fifth power) SCIENTIFIC NOTATION: 4.5*10 to the negative third power My question is what is the standard form I got 4500 but if I look closely at the problem I don't think that's possible please tell me if 4500 is correct
*September 5, 2007 by Jenny*

**Please help**

can you please look at Tevon Pitts's Biology Question please
*October 28, 2014 by Tevon Pitts*

**math**

Saying that 4<(sq.root of x)<9 is equivalent to saying what about x ? a. 0<x<5 b. 0<x<65 c. 2<x<3 d. 4<x<9 e. 16<x<81 Please help. Does this problem relate to 'x'values on the xy coordinate system ? If so please explain the concept here. If...
*July 26, 2010 by Cliff*

**answer a question**

Why has no one answered my two math questions i put on here. Please look again UNDER your postings because I see answers there! Ashley, Be sure to look above this post. I reposted them so the math teachers might find them more easily. =)
*January 19, 2007 by Ashley*

**algebra 1**

Can someone please help me with this inequality problem -3-8>(4x+8)-8 I have no idea how to solve this problem but I would like to learn. Can you be kind to show me the steps so that I can use this as an example problem for other problems. Thanks!
*November 17, 2010 by thawk*

**Trig**

Find an equation for the hyperbola described. Foci at (-4,0) and (4,0); asymptote the line y= -x. Please explain the steps of this problem. My book does not get an example of this type of problem and I'm not having any luck working this problem.
*July 19, 2011 by EVJ*

**Business**

Hi, I'm studying for a test on Desktop Publishing, and the question I'm supposed to look over is "What is the purpose of desktop publishging programs"? I understand it but I just can't figure out how to say it in words. Whenever I look it up I don't understand the deffinition ...
*October 1, 2008 by Dawn*

**E.L.A. PLEASE CHECK!**

Which choice best describes the underlined words in this sentence? On the next cloudless night, go outdoors and look at the sky. Underlined is: go ______ look A- simple predicate B- complete predicate C- compound verb D- none of the above I think it is C.
*September 30, 2014 by Skye*

**math, correction,plz**

Can someone correct these for me..plz... Problem #1 simplify. ((p^5)^4)/(p^6) MY answer: p^14 Problem #2 Write using positive exponents only. b^-6 MY answer: (1)/(b^6) Problem#3 Write 1.81 X 10^-2 in standard notation My answer. 0.0181 Problem #4 Subtract 2x-3x^2+5x^3 from 5x^...
*February 28, 2007 by jas20*

**English**

1. Look at the top left building in the picture. 2. Look at the bottom right building. It's name is Brownstone Middle School. When was it built? It was built 70 years ago. 3. What about Town Bank? We can not get any information from the script, so we don't know when it was ...
*November 25, 2009 by rfvv*

**Math: is it? is it not?**

Is this math problem hard? - There are 12 brothers living in a mansion. Six brothers are sitting in a rectangular kind of table. Six other brothers stood around them. They all have ten huge backpacks. Each backpack has 8 large monkeys. For every large monkey, there are 3 small...
*September 24, 2013 by Losa*

**Science - Please Help!**

How can you tell the similarity between displacement and average velocity? It is for a part of a science problem. The lesson did not tell me how to do this. I have been stuck on that problem for a while. I also had my sister help me, and I looked things up for the problem. I ...
*February 27, 2014 by Brady*

**English**

1. Do first things first. 2. Do the first things first. (Which one is right?) 3. What kinds of health problems does the people in the pictures have? Look at the person in Picture One. He is holding a measuring tape. Doesn't he look heavy? He needs to be on a diet. How can we ...
*September 1, 2009 by John*

**algebra 2**

i need help with my algebra 2 homework, the section is called using matrices to represent data. here is one of the problems: -1/2A+(B-A) A=[7 3 -1 5] [-2 8 0 -4] and B= [6 0 11 -3] [-5 2 -8 9] i don't know how to do this problem and the book doesn't have a problem like this ...
*March 17, 2009 by brittany*

**english**

could you please tell me the parts of speech for the given sentence : Council took a look round the court for a moment took-look-round-for-moment
*December 4, 2013 by r s telagathoty*

**Calculus**

Given two problems: Problem A: Tau = Integral(0 to v) v/(q^2 - v^2) dv q = constant Problem B: Tau = Integral(V TO 0) v/(q^2 - v^2) dv q = constant Why is it that, SUBSTITUTION RULE is used in problem A, and QUOTIENT RULE is used in problem B? The two problems are somewhat ...
*December 19, 2007 by Anthony*

**English**

1. Look at the scared boy. 2. Look at the scary monster. 3. Look at the scaring boy. 4. Look at the scaring monster. 5. Look at the scary boy. 6. Look at the scared monster. ----------- Are they all grammatical? What is the difference?
*July 15, 2014 by rfvv*

**chemistry**

hi Dr Bob..can you please help me with this chemistry problem? I got problem dealing with the chemical formula.How i want to find the number of moles of 2g of Fe(NH4)2(SO4)2.6H2O???please help me.Thank you
*August 15, 2010 by tarra*

**statistics - can someone please Help me**

I have tried for days to figure out how to work this problem. Please help show me how to find the answer. A particular radioactive isotope decays from 210 mg to 182.7 mg in 15 days. Find the half life of the isotope. I can not find any problem that is similar. everything i ...
*March 10, 2015 by Tina*

**psy326**

After reading chapters 1 and 2 please compare and contrast how the psychologist as a detective (a researcher) solves a problem to how a non-researcher solves a problem. Please be sure to discuss the following concepts in your detailed discussion: intuition, hearsay, literature...
*June 2, 2011 by lisa*

**riddles**

a lion, 2 bears, and a scorpion are some you can see without light The warror's belt is as plain as a dragon Look for us in the darkness of lights The riddle folder is at the bottom of the main webpage. Please post riddles there. Thanks. =) Where would you look for Ursa Major ...
*June 6, 2007 by Ken Flowers*

**algebra**

Could you please check my answer to this problem: Simplify the expression Original problem: (3x^2+10x-8)/(3x^2-17x+10) x (2x^2 + 9x -5)/(x^2 + 3x-4) The answer I got was: (3x +4)(x-2)/ (3x-2)(x-5) x (2x-1) ( x +5)/ (x +4) (x-1) so basically the problem could not be simplified...
*June 1, 2008 by Jennifer*

**algebra word problem**

Describe the values for x that may not be appropriate value even when they are defined by a function A function could, for example, indicate the amount of bone strength (y) in a living human body over time in years(x) . It would not make sense to look at negative years, ...
*October 29, 2008 by PJ*

**English**

1. You look great in your uniform. 2. You look great when you are wearing your uniform. 3. You look great when you wear your uniform. 4. You look great when you dress your uniform. 5. You look great when you have your uniform on. 6. You look great if you have your uniform on. ...
*June 27, 2016 by rfvv*

**Algebra**

I think that the goal is to get rid of the 5th root in this case. I know that I have to make whatever is under or in the root -in this case the number is X equal some number to the fifth power. I am supposed to use the rule a^(m/n)= n (the n-root) (don't know how to type it) ...
*July 24, 2007 by Tammy*

**Early child ed.**

If you would you not mind,please check my answers to these questions. 1. The two problem solving tools of demonstration and verbalization are used in which teaching method? A) Direct B) Command C) Task-oriented D) Guided discovery 2. Which one of the following indirect styles ...
*November 26, 2007 by Ms.Sue-- this is for you*

**algebra**

solve the compound inequality 3x-5>-17 and 4x+3<15 my answer: -4<x<3 Let's look at your problem: 3x - 5 > -17 and 4x + 3 < 15 x > -4 and x < 3 Or written another way: -4 < x < 3 Good job!
*December 14, 2006 by Rose*

**Algebra-PLEASE Help**

I have 3 questions posted will someone please look at them...thanks
*March 19, 2013 by Cassie*

**Algebra**

Use the above graph of f(x) to complete the following table for values of its inverse function, f^{-1}(x). The graph has a point on (2,2)the y-intercept is 4 the x intercept is 3 x =-4, 8, 0, -2, 2 f^{-1}(x) Note: You can earn partial credit on this problem...
*June 7, 2015 by kim*

**Help please**

can someone please look at my earlier post on socials, I would like all the help i can get, thank you
*October 9, 2009 by sara*

**Algebra-Please Help!!**

What is the solution of x-4 is less than 4 and x + 4 is greater than 7 Please show how you did it so I can look at it and learn how to do them in the future Thanks
*September 7, 2010 by Joe*

**math**

Please help solving this problem. Solve the following word problem: One poll reported that 48% of city residents were against building a new stadium. The polling service stated that the poll was accurate to within 3%. What is the minimum percent of city resident that oppose ...
*April 6, 2010 by bindiya farswani*

**physics EM please**

please look at my earlier question below thank you
*April 7, 2008 by Spencer*

**Please Help**

Can someone please take a look at my french posts, thanks.
*September 27, 2009 by Anna*

**Please Check My Math Work**

Hi. - I solved this problem,but I am not sure if it is correct.If you can please tell me if it is right or if it is wrong what is wrong with it.: 6y^2-54= (3y-6)(2y+9) *Many of you may be are wondering why my title is,"[C]razy Baby. - [Iloveyou]"it is becuase of the boy that i...
*February 9, 2007 by [C]razy Baby.-[iloveyou] (Margie)*

**Algebra II**

Solving the formula for the indicated variable. I=prt,for r I need help knowing how to solve this problem step by step. its easier with numbers and a fraction in the problem but this problem just threw me off.......HELP PLEASE!!!!
*January 30, 2011 by Attalah Higgs*

**Chemistry**

ok.. im confused: Ammonia and oxygen react in the equation: 4NH³+5O²--> 4NO+6H²O. When 2.4 mol of NH³ are present, the reaction yields ____ mol of O². i have no clue how ot do this! Look at your problem to make sure it is posted correctly. NH3 REACTS with O2; it doesn't ...
*January 18, 2007 by Briana*

**Algebra II**

Can you please explain what formula I need to do to solve the following problem: If 3 laps = 5/8 mile, how many laps needs to be completed to run 3 miles? Don't look for "formulas" to do these kind of questions, use ratios, one of the most powerful tools of math 3 laps = 5/8 ...
*August 15, 2007 by Sami*