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September 21, 2014

September 21, 2014

Post a New Question | Current Questions

**Chemistry**

Each of four identical tires of a car is filled with a different gas. Gas pressure in each tire is 3.0 atm at 25oC. One tire contains neon, another – argon, the 3rd one has krypton, and the last one has unknown gas. How many molecules are there in each tire? So far, I ...
*Wednesday, November 12, 2008 at 9:14pm*

**9th grade(Electrical)**

What is OSHA
*Tuesday, November 11, 2008 at 7:13pm*

**french**

Mme: Michael(Michel!) is 4 months old. Comment dit-on ".. is four months old"? (that's why he likes to barf everywhere) I am in French 1B, so next year when I'm a freshman, I can go right into French 2. (7th grade=1A, 8th grade=1B =French 1)
*Tuesday, November 11, 2008 at 12:28am*

**6th grade**

I need help with sewing
*Monday, November 10, 2008 at 5:38pm*

**6th grade**

what are the 6 major ecosystem?
*Thursday, November 6, 2008 at 9:41am*

**7th grade**

8.7cm=____________ mm
*Tuesday, November 4, 2008 at 9:45pm*

**6th grade**

how many fifths are in 1 3/5
*Monday, November 3, 2008 at 12:38am*

**5th grade**

compare fractions 7/10 5/8 3/7
*Monday, October 27, 2008 at 10:11pm*

**6th grade**

WHAT 30 TO THE 2 POWER
*Monday, October 27, 2008 at 7:02pm*

**Algebra**

Well someone please help me with this problem!!!!!!!!!!!! From a base elevation of 8200ft. a mountain peak in colorado rises to a summit elevation of 14701ft.over a horizontal distance of 15838 ft. Find the grade of the peak. The grade of the peak is what percent? (Round to ...
*Saturday, October 25, 2008 at 7:57pm*

**7th grade**

how do you identify complements?
*Wednesday, October 22, 2008 at 8:58pm*

**4th grade**

25+7=p-6
*Wednesday, October 22, 2008 at 7:48pm*

**Verb form " to be"**

How can I introduce or teach 3rd graders how to use the Correct Verb Form of the verb "to be"? I want to tell them when to use the words: am, is, are, was, and were....
*Tuesday, October 21, 2008 at 11:22pm*

**11th grade**

Mapp vs. Ohio?
*Tuesday, October 21, 2008 at 8:55pm*

**4th grade**

What is the plural of maestro?
*Monday, October 20, 2008 at 8:32pm*

**8th grade**

what is the national grange
*Monday, October 20, 2008 at 3:42pm*

**8th grade**

what is x-y=6
*Friday, October 17, 2008 at 1:48am*

**8 th Grade**

what is a bear?
*Tuesday, October 14, 2008 at 4:59pm*

**6th grade**

3x times 9x =
*Monday, October 13, 2008 at 9:07pm*

**All!!**

What is the 8 grade meap on? Thanks!
*Monday, October 13, 2008 at 4:18pm*

**1st grade,Middle Sound**

Hello there, My daughter going to first grade and i have very hard time to understand the middle sound on a word. I'm from Greece original so is hard for me This is the only thing she can not understand and i cant help her. Any Ideas how i can learn about it?
*Thursday, October 9, 2008 at 9:35pm*

**9th grade**

acrostic poem on p h o t o s y n t h e s i s
*Wednesday, October 8, 2008 at 9:06pm*

**12 data management**

3 oeople - john joan and kim throw a ball to each other. there is a probability of 1/3rd that johnwill throw it to joan. probability of 1/2 that joan wil throw it to kim. probability of 1/4th that kim will throw it to john. A. show in a Markov chain as a transition matric. B. ...
*Wednesday, October 8, 2008 at 11:22am*

**American history**

does anyone one know of an anti-federalist whose name is 7 letters and o is the 5th letter and n is th 3rd letter? i can't seem to find it its not John Jay, Thomas Jefferson or even george Washington or James Monroe....
*Tuesday, October 7, 2008 at 10:20pm*

**9th grade**

2x + 5 - 7x = 15
*Tuesday, October 7, 2008 at 9:39pm*

**5th grade math**

how do you multiply 4 1/2 x 7/8
*Monday, October 6, 2008 at 6:06pm*

**11th grade physics**

bob where r u !!!
*Sunday, October 5, 2008 at 8:34pm*

**8th grade**

what is radiation
*Thursday, October 2, 2008 at 5:54pm*

**4th grade**

i indain posters !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
*Thursday, October 2, 2008 at 5:16pm*

**Math**

The word problem is: Nancy's quiz average is a 74. Her quiz average is 1/4 of her grade. The test average is 3/4 of the total grade. What test average does she need to get at least an 88? Would you be able to set up an equation, and explain how the answer was acheived? ...
*Wednesday, October 1, 2008 at 8:13pm*

**fifth grade**

how many grams in a lb.
*Tuesday, September 30, 2008 at 6:14pm*

**math**

I am helping my 3rd grader with a her math and me and my boyfriend can not agree on the answer to this question..can anyone give the answer and tell how to solve it. THANK YOU! Darin counted 46 more cars than trucks in a parking lot. There were 29 trucks. Write an expression ...
*Tuesday, September 30, 2008 at 5:49pm*

**6th grade**

euclidean algorithm
*Tuesday, September 30, 2008 at 9:29am*

**7th grade**

what is -2(-3) squared
*Monday, September 29, 2008 at 7:18pm*

**grade 8 math**

At the annual Grade 8 ski trip, for every 2 students who skied, 3 snowboarded. Ninety-six students snowboarded. How many students skied? Show your work. Can someone help???
*Sunday, September 28, 2008 at 7:49pm*

**language arts**

I have to put together and present a strategy that is effective in the teaching of language arts at a specific grade level. What would a good idea be for around the grade 2 level? and why is it important?
*Saturday, September 27, 2008 at 11:36pm*

**9th grade**

how does ozone form?
*Monday, September 22, 2008 at 6:24pm*

**10th grade**

15mm to dam
*Wednesday, September 17, 2008 at 1:08am*

**7th grade**

what is another word for understand
*Tuesday, September 16, 2008 at 5:33pm*

**6th grade math**

What is 2 x (4 to the power of 2) - 12 + 5 ?
*Tuesday, September 16, 2008 at 2:15am*

**9th grade**

how earth rotates?
*Sunday, September 14, 2008 at 11:35am*

**5th grade**

how do you do a paragraph paw
*Thursday, September 11, 2008 at 11:01pm*

**math**

polk elementry school has three classes for each grade level, kindergarten through fifth grade. If there is an average of 27 students how many students attend polk elementry school?
*Wednesday, September 10, 2008 at 5:33pm*

**2nd grade**

what is the synonym for brown?
*Tuesday, September 9, 2008 at 6:13pm*

**trig**

in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
*Monday, September 8, 2008 at 9:13pm*

**trig.**

in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
*Monday, September 8, 2008 at 8:24pm*

**6th grade**

What was a mansion like in the 80's
*Monday, September 8, 2008 at 7:43pm*

**6th grade math**

A+B = A-B what are A and b
*Sunday, September 7, 2008 at 10:20pm*

**5th grade**

how many thousandths are in a hundredth?
*Sunday, September 7, 2008 at 8:58pm*

**10th grade math**

3(x-2)= 4-(x-2)
*Saturday, September 6, 2008 at 11:58am*

**english**

i have to write a ballad. The 1st and 3rd lines need to be in iambic tetrameter and 2nd and 4th in iambic trimeter. is this right? Today I told my friend about The dream I had one night. “This red rose grew alone In a small lot without sunlight.”
*Thursday, September 4, 2008 at 10:41pm*

**11th grade**

what exactly is chemistry?
*Thursday, September 4, 2008 at 5:33pm*

**9th grade**

what is social health?
*Thursday, September 4, 2008 at 3:25pm*

**9th grade**

whatis 1=1
*Tuesday, September 2, 2008 at 3:10pm*

**4th grade**

what is 7 d in w
*Friday, August 29, 2008 at 10:42am*

**math grade 12**

solve for n if P(n,3)=2c(n,2), n{N
*Thursday, August 28, 2008 at 8:03pm*

**5th grade**

i need help with factors
*Tuesday, August 26, 2008 at 8:25pm*

**Social Studies**

Okay! I don't know the correct terminology for what I call MINI-LAWS. MINI-LAWS are laws added on to one big law. Example: Math has to make up 1/3rd of all lessons taught. MINI-LAWS would include...grades 3-12, college exempt. So can you tell me what the correct ...
*Tuesday, July 22, 2008 at 3:14am*

**Help Help**

Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0 <= X and X < 49) output "you fail" else if (50 <= X and X < 70) output "your grade is" X output "you did OK" else if (70 <...
*Wednesday, June 11, 2008 at 4:54pm*

**programming**

Can You Please help me understand how to do this and what i have to do to solve the problem.... Please!! Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0 <= X and X < 49) output "you fail" else if (50...
*Wednesday, June 11, 2008 at 4:53pm*

**grade 5 math**

the grade 5 class decided to collect cans of food to donate to the food bank .After the 1st week ,they had collected 8 cans . The next week they collected 11 more . By the 3 rd week they had 31 cans Following this pattern how long will it take for them to reach there goal of ...
*Sunday, May 4, 2008 at 9:47pm*

**feminism/ please revise**

In Manifesta, Jennifer Baumgardner and Amy Richards, analyze the generation gap between second and third wave feminist. The book begins with a historical development of women's rights and feminism; it provides a perspective from which to view of the past. The authors ...
*Tuesday, April 22, 2008 at 8:03pm*

**6th Grade Math**

I really don't know what to do on this question. If someone could start me off I could probably get the answer. Remember I am in 6th grade. Dani has a sack of 50 pens. Of these, 10 are black, 15 are blue, and the rest are red. If she grabs a handful of 5 pens, how many ...
*Monday, April 21, 2008 at 7:19pm*

**Math**

A baseball diamond is a square with sides of 90 ft. long. a) to the nearest foot, what is the length of a throw from home to third base... b) what is the length of a throw from the shortstop position (midway between 2nd and 3rd) to 1st base
*Tuesday, April 1, 2008 at 3:58pm*

**more pre cal logs**

sorry I am so lost I missed the class that talked about logs since my sister was in the hospital giving birth to a still born baby.... now I am all lost... Expand the log Ln 3sqrootx^2y/x+3 (the 3 is part of the sqroot not infront like the 3rd power) I hope that makes since
*Monday, March 31, 2008 at 1:52am*

**social studies**

imagine that you are a member of the second continental congress.how would you write a letter to king goerge the 3rd explaining why you believe the colonies in north america should be allowed to peacefully seperate. this is social studies again and this would greatly ...
*Tuesday, March 25, 2008 at 9:55pm*

**pre cal**

The 1st year and 3rd year periods for these accounts are the lengths of time that you must keep the money in the account. (You pay a penalty if you take the money out before the term is up.) Why might an investor choose a Certificate deposit with a shorter term rather than a ...
*Tuesday, March 18, 2008 at 4:49pm*

**Pre-Cal**

The 1st year and 3rd year periods for these accounts are the lengths of time that you must keep the money in the account.(you pay a penalty if you take themoney out before the term is up.) Why might an investor choose a CD with a shorter term rather than a longer one, even ...
*Tuesday, March 18, 2008 at 3:37pm*

**Astronomy**

If a space probe were sent into orbit around the sun that brought it as close as 0.5 AU to the sun and as far away as 5.5 AU, what would its orbital period be? Can I use Kepler's 3rd law for this? I'm not sure how to take into account both AUs...
*Monday, March 17, 2008 at 9:49pm*

**chem**

a 1,000 ml coke bottle is 1/3rd filled with coke, and the rest occupied with air. Suppose this bottle is left outside and allowed to heat up to 120 degrees Fahrenheit. Assuming this bottle has an internal pressure of 768 mmHg how many atoms of gas are inside this container. ...
*Sunday, March 16, 2008 at 3:54pm*

**math-probability**

Mary has 3 boxes with Marbles. Eavh box is labeled so that she knows what is in each box. She has 1 box with 2 blue marbles, another box with 2 red marbles and a 3rd box with 1 red and 1 blue marble. Mary's little sister removed all the labels and she placed them back ...
*Tuesday, March 4, 2008 at 9:13pm*

**math-probability**

Mary has 3 boxes with Marbles. Eavh box is labeled so that she knows what is in each box. She has 1 box with 2 blue marbles, another box with 2 red marbles and a 3rd box with 1 red and 1 blue marble. Mary's little sister removed all the labels and she placed them back ...
*Tuesday, March 4, 2008 at 12:48pm*

**arithmetic**

Word Problem: A hospital needs to figure the annual budget for an 11 bed facility based on 90% occupancy using a 4 day length of stay. 1st day = $625.00, 2nd day - $315.00, 3rd day = $315.00 and 4th day = $220.00. How much money can they expect to make for an entire year?
*Wednesday, February 27, 2008 at 2:47pm*

**Calculus**

The problem with these two questions is that I cannot determine the a and r. The 3rd question-I don't know what I did wrong. Thanks for the help! Tell whether the series converges or diverges. If it converges, give its sum. infinity (sigma) sin^n (pi/4 + n pi) n=0 answer: ...
*Friday, February 22, 2008 at 9:59pm*

**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 ...
*Sunday, February 17, 2008 at 3:35pm*

**proofread**

Hi, can someone proofread this for me. I'll appreciate it. Thanks in advance. The practicum site I selected is an elementary school. I will be assisting a first grade teacher during the semester. I will be helping her with her students and with other teacher ...
*Sunday, February 3, 2008 at 11:34pm*

**Physics**

Each of the following statements has 1, 2, or 3 conceptual flaws. Explain what is wrong with each sentence (I just need help finding a website for this) 1. A rocket moves through space because the exhaust from the rocket's engine pushes against the atmosphere. 2. If an ...
*Friday, February 1, 2008 at 12:04pm*

**Math**

Can i please get your help on fractions and i am in the 7 th grade
*Wednesday, January 30, 2008 at 5:49pm*

**grammar**

ok so my English teacher is making us write a story & here is the prompt. "imagine you are a travel agent try to persuade a family of four to buy a trip". that is like so easy but the catch is, we have to write it in 3rd person. im totally confused there. help anyone?
*Monday, January 28, 2008 at 7:24pm*

**7th grade geometry**

pr/ac = ?/cb pr=6,ac=?, cb=15
*Monday, January 28, 2008 at 6:52pm*

**math**

If stacy jogs every 3rd day and swims every 4th day what day of the week will she end up on
*Monday, January 28, 2008 at 4:31pm*

**3rd math**

Laura and her brother planted bean seeds. When Laura plant was 25 cm tall, her brother plant was 32 cm tall. How much taller was her brother plant?
*Tuesday, January 22, 2008 at 9:53pm*

**Chemistry**

Can someone check my answers for me thank you. This is my 3rd time posting this one up...maybe its just not going through bc I don't see it on the current ?s. 4NH3 + 7O2 --> 4NO2 + 6H2O 1)How many grams of oxygen are necessary to produce 4.50 moles of NO2? answer: 252 ...
*Wednesday, January 9, 2008 at 8:37pm*

**college math**

13. (4 pts) At an annual flower show, 6 different entries are to be arranged in a row. a) How many different arrangements of the entries are possible? b) If the owners of the 1st, 2nd, and 3rd place entries will be awarded prizes of $100, $50, and $25 respectively, how many ...
*Wednesday, December 12, 2007 at 9:24pm*

**Grade 10 MATH**

17^115
*Wednesday, December 5, 2007 at 7:56pm*

**computers**

which set of terms below correctly pairs a generation of computers with key innovation associated with it? a. 2nd generation/ intergrated circuits b. 3rd generation/programming languages c. 4th generation/ operating systems d. 5th generation/artificial intelligence
*Monday, November 12, 2007 at 9:28pm*

**algebra**

Sam must have an average of 70 or more in his summer course to obtain a grade of C. His firs three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C grade.
*Wednesday, October 10, 2007 at 12:50am*

**math**

An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final average ...
*Sunday, September 30, 2007 at 8:08pm*

**science (physics) Need to solve this today please**

(a) Express the vectors A, B, and C in the figure below in terms of unit vectors. (b) Use unit vector notation to find the vectors R = A + B + C and S = C – A – B. (c) What are the magnitude and directions of vectors R and S? Well the picture goes and has a vector A ...
*Saturday, September 29, 2007 at 8:01am*

**chemistry**

Why is it important that the sequence of addition of reagents be followed? What could possibly go wrong when this is not followed? Reagents added: 1st: Fe3+ solution 2nd: 2.00 mL 10% NH2OH-HCl (hydroxylamine hydrochloride) 3rd: excess 0.20% 1,10-phenanthroline 4th: 1.00 mL ...
*Saturday, September 15, 2007 at 4:41pm*

**chemistry**

Why is it important that the sequence of addition of reagents be followed? What could possibly go wrong when this is not followed? Reagents added: 1st: Fe3+ solution 2nd: 2.00 mL 10% NH2OH-HCl (hydroxylamine hydrochloride) 3rd: excess 0.20% 1,10-phenanthroline 4th: 1.00 mL ...
*Saturday, September 15, 2007 at 1:45pm*

**Math**

I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph telling which school ...
*Thursday, September 13, 2007 at 9:54am*

**Social Studies**

How do you start a community? Please explain your question. Are you asking about how to start a town of people? Or a community of crayfish? Or a special interest community, such as a club or a church? We'll be glad to help you if you clarify your question. We are asking ...
*Thursday, August 16, 2007 at 7:01pm*

**Algebra II**

Provide three points on a graph for the equation y = -2/3x + 4. I have the points (0, 4) and (6, 0). Do you have any idea what a 3rd one might be? Ther are an infinite number of possibilities. Just pick any x you like (except for the two you already have) and compute the y for...
*Friday, July 13, 2007 at 12:48pm*

**Math23456**

Problem:4x^2y^3 Choices: a.2nd degree b.3rd degree c.4th degree d.5th degree What I think:I think it is letter C. It is degree 3 in y. It is degree 2 in x. Normally, one would call this a degree equation , or a cubic equation.
*Friday, June 29, 2007 at 4:56pm*

**math 3rd part**

b.The company is projecting a 20% growth each year for the next four years. How many technicians should the company’s Human Resource Manager plan to hire in each of the next four years? 1st year: 8 x .2 = 1.6 2nd year: 9.6 x .2 = ? Continue this pattern for the next 3 ...
*Sunday, June 24, 2007 at 8:51pm*

**Simplfing Fractions**

Three problems I need to know if I am correct or not if not I will place how I got the answer and maybe some one can show me where I messing up aT Simplify 1+2/3 over top 2+1/2 My answer was 2/3 to me it does not seem right If I am wrong please let me know i will put all the ...
*Friday, June 1, 2007 at 3:41pm*

**physics-please check**

is this right?: when a form of energy changes from one form to another some energy may transfrm into a useful form, those useful form of energy is high grade energy.while the rest of the energy will always change to form we cannot use.which is called the low grade energy. if i...
*Monday, May 14, 2007 at 4:46am*

**history**

on the 1st page can someone please help me??????? Its the 2nd and 3rd black dot next to my nasme. Even if this is a repost, more information needs to be given before we can adequately respond. Please repost with more information. Thanks for asking.
*Sunday, April 29, 2007 at 9:25pm*

**English**

I am doing a reading comprehension project and I need to find a book and a song about "the elderly". Please Help!! do you mean like about old people or a book called The Elderly? about old people. about old people. hang on I'll look google Books About the Elderly...
*Sunday, April 29, 2007 at 5:20pm*

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Post a New Question | Current Questions