Friday

February 27, 2015

February 27, 2015

Post a New Question | Current Questions

**probabilityv**

A school's administrators are concerned about absenteeism at their school and the eect it has on students' grades. The following data were compiled, based on a sample of students. Student's Absent Medium Absent Grade Infrequently Absent Frequently Low 1 9 8 ...
*Saturday, October 16, 2010 at 2:17am*

**Chemistry**

An atom contains a total of 25 electrons. When the atom is in the ground state, how many different principal energy levels will contain electrons? a. 1 b. 2 c. 3 d. 4 I really don't get this because I thought energy levels went like 2, 8, 18, 32, and 50, but 25 is between ...
*Friday, October 15, 2010 at 8:22pm*

**5th grade**

What do you think 24*3.7 is ???
*Thursday, October 14, 2010 at 3:58pm*

**9th grade**

what is the answer for 11x-21=17-8x
*Wednesday, October 13, 2010 at 8:56pm*

**Fourth grade math**

what is the of 7n when n is 7565?
*Wednesday, October 13, 2010 at 7:25pm*

**7th grade**

where do you add parenteses to get 6+6/6+6*6=6
*Wednesday, October 13, 2010 at 4:22pm*

**Health**

How to develop a filing system and determine the number of shelves and the like that will be needed. hospital has asked to keep hard copy records for 4 years. number for the first year 25,000, 2nd - 28,000, 3rd - 32,000 and fourth 40,000
*Tuesday, October 12, 2010 at 9:16pm*

**5th grade**

what is the lcm of 15,25
*Tuesday, October 12, 2010 at 8:20pm*

**6th grade**

what is the simplest form of 8/15
*Tuesday, October 12, 2010 at 8:08pm*

**9th grade**

This is Geometry homework 7x+2y=10
*Tuesday, October 12, 2010 at 6:10pm*

**8th grade**

HOW TO CONVERT IN TO MM?
*Tuesday, October 12, 2010 at 11:34am*

**8th grade**

is 53 a monomial
*Monday, October 11, 2010 at 9:39pm*

**8th grade math**

is n^2-3 a monomial
*Monday, October 11, 2010 at 9:32pm*

**8th grade**

what is the answer to the equation 4z-2=30?
*Sunday, October 10, 2010 at 12:07pm*

**7th grade**

What is "h" in 5h+15-3h=32
*Thursday, October 7, 2010 at 9:14pm*

**12th grade**

deductive reasoning
*Wednesday, October 6, 2010 at 5:06pm*

**8th grade**

solve 3m=8m
*Tuesday, October 5, 2010 at 8:06pm*

**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.
*Tuesday, October 5, 2010 at 6:25pm*

**5th grade**

91 .12
*Tuesday, October 5, 2010 at 5:30pm*

**7th grade**

49 is 77% of what number?
*Monday, October 4, 2010 at 10:59pm*

**6th grade**

WHAT IS THE GREENHOUSE EFFECT???
*Sunday, October 3, 2010 at 8:45pm*

**6th grade**

what is accleration?
*Saturday, October 2, 2010 at 2:14pm*

**9th grade**

1x/5+4x/9=11
*Friday, October 1, 2010 at 4:38pm*

**5th grade**

62.7-43.85
*Thursday, September 30, 2010 at 8:13pm*

**7th grade**

Hi im a 7th grader and there is alot of book reports and homework in the 7th grade i really dont have time to do all that because im in extra cericular activities and i need to be passing all of my classes to be in my activities can somebody please help me by telling me a ...
*Wednesday, September 29, 2010 at 10:33pm*

**1st grade**

i need help with adjectives
*Tuesday, September 28, 2010 at 11:46pm*

**8th grade**

what is science
*Tuesday, September 28, 2010 at 6:11pm*

**3rd gr math**

tyrell says $750 is about $800. Sara says $750 is about $700. Who is correct? Explain? Its number sense.
*Monday, September 27, 2010 at 9:03pm*

**5th grade**

unscramble orisednoda
*Monday, September 27, 2010 at 8:53pm*

**11th grade**

What percent is 1.25 of 82
*Sunday, September 26, 2010 at 8:05pm*

**9th grade**

1/9=a/a+24 I don't get this plez someone HELP
*Sunday, September 26, 2010 at 6:32pm*

**8th grade**

How can I get rid of the -x this is the problem -x-6=-5 Thanks
*Thursday, September 23, 2010 at 11:12pm*

**8th grade**

16y + 3=67
*Thursday, September 23, 2010 at 5:12pm*

**1st grade**

what is isomers
*Thursday, September 23, 2010 at 11:11am*

**6th grade math**

what is 5c=2/3 divided by 2/3
*Wednesday, September 22, 2010 at 6:36pm*

**9th grade**

5y-3/5=4/5 i dont understand how to do this
*Wednesday, September 22, 2010 at 6:06pm*

**Math**

In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the four first tests is 88.5. What is the lowest average he could get on his next two tests and still ...
*Wednesday, September 22, 2010 at 5:19pm*

**Math (Algebra Grade 8)**

2x+5=-7?
*Tuesday, September 21, 2010 at 7:14pm*

**6th grade**

why is your loyal frend
*Monday, September 20, 2010 at 2:23am*

**geography (grade 6)**

5 disadvantages of trade?
*Sunday, September 19, 2010 at 8:57pm*

**Pre-Calculus**

Three numbers whose sum is 15 are in an arithmetic progression. The product of the 1st two numbers is 2 more than the 3rd. Find the three numbers.
*Sunday, September 19, 2010 at 8:34pm*

**9th grade**

1/3 x 1/3 ?
*Saturday, September 18, 2010 at 5:09pm*

**7th grade math**

Does 1/3 + 5/9 - 5/12 = 5/9 + 5/12 - 1/3 ? Explain Thank you :p
*Saturday, September 18, 2010 at 3:38pm*

**11th grade**

need help with these problems can anyone help me- 2x-1=y 2x=y-6 3y=-6x x+4y=12 Thank you
*Thursday, September 16, 2010 at 8:47pm*

**8th grade**

Unscrambel orewp
*Thursday, September 16, 2010 at 12:50pm*

**11th grade math**

y=4x^2-16x+12
*Tuesday, September 14, 2010 at 10:45pm*

**math**

Use the limit definition of the derivative to find f′(x) if 1. f(x) = x^2 + 3x 2. f(x) = 1/x + 1 now what i am confuse with is that there is no value given for x. So how is one suppose to do these problems. please show steps and this is just the 3rd chapter of my calc ...
*Monday, September 13, 2010 at 7:09pm*

**12th grade**

solve (24e)^1/3 / (3e)^1/3
*Monday, September 13, 2010 at 2:06pm*

**9TH GRADE MATH**

21=5-3=7-9*2=
*Monday, September 13, 2010 at 7:47am*

**12th grade - Math**

P(x) = 3x^3 - 7x^2 - 4x + 2 P(1 + √ 3) =
*Sunday, September 12, 2010 at 5:14pm*

**8th Grade Algebra**

3m - 10 = 2(4m -5)
*Thursday, September 9, 2010 at 8:32pm*

**6th grade**

what is a controlled varible
*Thursday, September 9, 2010 at 7:39pm*

**5th grade**

96,050*1,000m3
*Thursday, September 9, 2010 at 5:54pm*

**9 th grade geomitry**

how do you do 19= n - 9 ??????
*Thursday, September 9, 2010 at 5:38pm*

**9th grade**

solve 3 - (2t + 5) = -12
*Thursday, September 9, 2010 at 12:45pm*

**5th grade**

c+3c=32
*Wednesday, September 8, 2010 at 8:16pm*

**6th grade**

civics
*Wednesday, September 8, 2010 at 6:30pm*

**8th grade**

2/5 divided by 5/6
*Tuesday, September 7, 2010 at 5:21pm*

**12th grade**

2x^2+6x-16 and 14x^2-3x-2
*Monday, September 6, 2010 at 2:38pm*

**12th grade**

make the subject (p) p+3=(pq+r)/2
*Monday, September 6, 2010 at 2:35pm*

**5th grade**

What are compatible numbers?
*Thursday, September 2, 2010 at 10:32pm*

**algebra 8th grade**

20÷ 4 ? 3/4 ÷ (1/2) use this <> and =
*Wednesday, September 1, 2010 at 7:44pm*

**5th grade**

what is 1/6h = 9 and h=?
*Tuesday, August 31, 2010 at 8:41pm*

**4th grade**

What is the independent variable?
*Monday, August 30, 2010 at 6:54pm*

**10th grade**

3x-2-x=7-x
*Saturday, August 28, 2010 at 10:13pm*

**8th grade**

4+6x-9x=3x
*Thursday, August 26, 2010 at 8:15pm*

**5th grade**

what is the sequence to 1/2,0.5,50%,1/7,0.143,
*Wednesday, August 25, 2010 at 9:58pm*

**5th grade**

what si 1.05 + 1.50
*Wednesday, August 25, 2010 at 9:13pm*

**8th grade**

what is a root word
*Tuesday, August 24, 2010 at 6:20pm*

**10th grade**

I need help with this problem. (b+7)(b+1) .
*Monday, August 23, 2010 at 5:12pm*

**math**

From a base elevation of 6300 ft. a mountain peak rises to a summit elvation of 14366 ft. over a horizontal distance of 15844 ft. Find the grade of the peak. The grade of the peak is ?%I do not even know where to begin with this. Does the 6300 ft.get subtracted from 14366 and ...
*Monday, August 23, 2010 at 12:16am*

**Chemistry-sig figs**

Each of the following numbers was supposed to be rounded to two significant figures. For each one below, decide whether it was correctly rounded or not, and for those that were incorrectly rounded, correct them (a) 1.249 X 10 to the 3rd power. They said it rounded to 1.3 X 10 ...
*Sunday, August 22, 2010 at 2:22pm*

**12th grade**

RS=7a,ST=12a,RS=28
*Friday, August 20, 2010 at 1:22am*

**pre alegbra**

can you help me figure this question out? In a race with five people, Betty finished ahead of David, and the same number of people finished before Betty that finished after David. Adam finished before Charles,and Betty finished after Edward. Who finished in 3rd place?
*Wednesday, August 18, 2010 at 7:03pm*

**12 grade**

20*49*39*90*56*34*100=
*Tuesday, August 10, 2010 at 10:00pm*

**5th grade**

123%45=
*Tuesday, August 10, 2010 at 9:57pm*

**grade 12 math**

determine the inverse of y=2(3)^x+1
*Friday, July 30, 2010 at 11:13pm*

**maths**

in the ques they got a square divided in 2 each block has the number 4 in it and there r 4 block thats the 1st ques. the other 1 says 2 in the 1st and 2nd block and in the 3rd n 4th block it say 1 now hw to draw it on the grid
*Saturday, July 24, 2010 at 4:35pm*

**6th grade**

63728 divided by 9
*Sunday, July 18, 2010 at 5:01am*

**Economics**

Four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to watch. Here is their willingness to pay for each film: film 1st. 2nd. 3rd. 4th. 5th
*Tuesday, July 13, 2010 at 10:39pm*

**college**

let i = the square root of -1 with i to the 1st power =i, i to the 2nd power= -1, i to the 3rd power =-i , i to the 4th power=1 find ito the power 215
*Monday, July 5, 2010 at 10:59pm*

**12th grade**

3X+3=3
*Monday, July 5, 2010 at 5:25pm*

**math**

at a grand opening of a store, every 3rd person is given a balloon, and every 7th person is given a $5 coupon. if a person is selected at random from the first 100 people to shop there, whats the probability that the person will be given a balloon and a coupon? how do you do ...
*Monday, June 28, 2010 at 2:15pm*

**Statistics**

In your biology class, your final grade is based on several things: a lab score, score on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 25% of your total grade, each major test is worth 22.5%, ...
*Thursday, June 24, 2010 at 3:41pm*

**grade 9 algerbra**

6=2/5(n-1) any help would be appreciated.
*Sunday, June 20, 2010 at 7:17pm*

**math grade 9**

6=2/5 (n-1)
*Sunday, June 20, 2010 at 7:13pm*

**grade 9 math**

X+6 ~ 5 = -2
*Sunday, June 20, 2010 at 7:05pm*

**11th grade**

if f(x)=-8x + 8 and g(x)= x-9,what is (f,g)(18)?
*Tuesday, June 15, 2010 at 12:11pm*

**9th grade**

How do you solve ac-bc-ad+bd
*Monday, June 14, 2010 at 5:59pm*

**English**

I'm reading a book , and I don't understand this small phrase. Could you please tell me what it means, thanks. ~Or they'll be so horrified by my mother's newly-found 'lifestyle' that they'll slowly start ignoring me. In tenth grade—at least in ...
*Wednesday, June 2, 2010 at 6:41pm*

**math!**

what point represents the 3rd quartile in the box and whisker plot? . = point .5, .25, .35, .50, .70 the numbers will be arrange like this if it was in a box and whisker plot
*Monday, May 31, 2010 at 6:24pm*

**6th grade math**

4y-5=(6-2)y-25 I come up with 0 Can anyone help?
*Wednesday, May 26, 2010 at 8:54pm*

**Algebra II Help **

How do you solve this ; 5^(3y) = 8^ (y-1) I think the first step is (3y)log 5 = (y-1)log 5 2nd step:3ylog5 = ylog5-1log5 3rd step: 3ylog5 - ylog5 = -1log5 4th step: y(2ylog5 - log5) = -1log5 From here I don't know, normal if I got rid of the 2y I would divide -1log 5 by ...
*Wednesday, May 26, 2010 at 5:06pm*

**9th grade**

y=6-2x 7x-y=3
*Tuesday, May 25, 2010 at 5:01pm*

**7th grade**

what is 1.4 to the 11th power
*Thursday, May 20, 2010 at 6:01pm*

**5th grade**

what is 9.8___=g
*Wednesday, May 19, 2010 at 9:52pm*

**9th grade**

Is this anwser right 1,2,9,28,49
*Monday, May 17, 2010 at 6:27pm*

**Algebra 9th grade**

(6x^3 â€“ 12x + 10) Ã· (3x â€“ 3)
*Sunday, May 16, 2010 at 4:03pm*

**10th grade**

(2u+9)(2u+1)
*Friday, May 14, 2010 at 10:09am*

**5th grade**

what is the antonym of/for guilty?????
*Wednesday, May 12, 2010 at 8:24am*

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