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August 27, 2014

August 27, 2014

Post a New Question | Current Questions

**5th grade**

what is 7/42 in simplest terms
*Thursday, November 20, 2008 at 5:43pm*

**AED**

Choose a grade level and a scientific concept appropriate for that level. • Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain what safety ...
*Wednesday, November 19, 2008 at 9:03pm*

**9th grade**

3t+8(2t-6)=2+14t
*Wednesday, November 19, 2008 at 9:02pm*

**7th grade**

Who is Ra the king of the gods?
*Tuesday, November 18, 2008 at 7:30pm*

**10th grade**

7x+11y=-5
*Monday, November 17, 2008 at 3:41pm*

**9th grade**

How do you solve [x-1]=[x+3]
*Saturday, November 15, 2008 at 12:42pm*

**9th grade**

Need help with (x+5)(3xsquared-2x+1)
*Thursday, November 13, 2008 at 9:06pm*

**5th grade math**

Why does .2 x .4 = .08 and not .8?
*Thursday, November 13, 2008 at 6:03pm*

**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*

**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*

**physics**

Two blocks, joined by a string, have masses of 6 and 9kg. They rest on frictionless horizontal surface. A 2nd string, attached only to the 9kg block, has a horizontal force = 30N applied to it. Both blocks accelerate. Find the tension in the string between the blocks.
*Sunday, October 19, 2008 at 4:41pm*

**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*

**accounting**

Victor has two employees who each get paid $150/day. December 31st is a Wednesday. These two employees will not be paid until Friday, January 2nd. How much do i debit to salary expense and how much do i credit to salary payable?
*Tuesday, October 14, 2008 at 4:42pm*

**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*

**Physics**

The moon has a period of 27.3 days and a mean distance of 3.90 x 10^5 km from the center of Earth. a) Use Kepler's laws to find the period of a satellite in orbit 6.70 x 10^3 km from the center of Earth --- I was able to do this and the answer i got was: 88.6 mins, but was...
*Saturday, October 11, 2008 at 6:27pm*

**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*

**9th grade**

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

**math**

i kinda need help with these 2 please: assume (y) varies direcly as (x) if (x)=32 when (y)=6, what is the value of k? and (y) varies directly as (x) find the constant when (x)=0.5, and (y)=0.3 and can someone also explain what they mean by find the constant and how 2 do it in ...
*Tuesday, October 7, 2008 at 9:28pm*

**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*

**3rd grade**

WHAT ARE PARTIAL SUMS???
*Wednesday, October 1, 2008 at 5:00pm*

**fifth grade**

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

**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*

**Grade 3 (transporatation)**

I am doing a unit on public transportation in New York city for my 3rd grade class and I am having a little trouble finding interesting and fun websites that my students could use to get information on past and present types of public transportation. Do you know any website/s ...
*Saturday, September 27, 2008 at 8:33pm*

**physics**

when an object is dropped frome a hight of 20m above the surface of planet Z, it will fall 5m during the 2nd second of fall. What is the acceleration of a falling object near the surface of this planet?
*Friday, September 26, 2008 at 7:09pm*

**chemistry**

T1/2 depends inversely on k why ? T1/2 depends inversely on k and directly on the initial concentration of the reactants in question. What is the order? -is the order 0 or 2nd? I think it is 0 because the [] is on top opposed to 1/[]
*Thursday, September 25, 2008 at 2:26am*

**Ap Bio**

SAME LAb - Collect a sample of water below some riffles in stream. Stream runs into a lake. 2nd sample from lake. Which smaple would you expect to have the higher DO? Explain
*Tuesday, September 23, 2008 at 10:57pm*

**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*

**character traits (further questions)**

How can I explain the phrases: outer traits and inner traits to a group of 2nd graders? They are doing a character study and they need to focus on the inner and outer traits of the main character.
*Tuesday, September 16, 2008 at 11:03pm*

**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*

**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*

**science**

1. A violin string is oscillating at a frequency of 880 Hz (1 Hz = 1 full cycle / second) in its 2nd harmonic. What wold be the frequency of the fundamental vibrational mode? 2. Describe how you would go about finding the frequency of an unmarked tuning fork using the ...
*Thursday, July 31, 2008 at 3:50pm*

**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*

**COLLEGE PHYSICS**

A rollercoaster car of mass 600.0 kg is moving 2.4m/s at the top of a peak that is 25m off the ground. The car moves down slope and up the next hill. Assume that it loses 20,000J of energy by the next time it gets to the top of the next peak due to friction forces. If the ...
*Saturday, May 31, 2008 at 7:06pm*

**Pre-Algebra**

A Jet airplane leaves an airport traveling at a steady rate of 600km/h. another jet leaves the same airport 3/4h later traveling at 800km/h in the same derection. how long will the 2nd jet take to overtake the first?
*Wednesday, May 21, 2008 at 8:45pm*

**peer reviewing essay**

Hi, I have two assignments I have to submit to my AP US History teacher for next year by June 2nd. The first part is to explain why I should be in the class in a one page essay with size 11 font and 1.5 spacing. Could someone please read through my essay and see if it's ok...
*Saturday, May 10, 2008 at 1:47pm*

**Math, derivatives**

f(x) = x² + 2Cos²x, find f ' (x) a) 2(x+cos x) b) x - sin x c) 2x + sin x d)2(x - sin2x) I got neither of these answers, since the 2nd part should be chain rule, right? f(x) = x² + 2Cos²x = x² + 2(Cos x)² then f '(x) = (2)(2)(cosx)(-sinx) ...
*Monday, May 5, 2008 at 8:19pm*

**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*

**English**

I am writing a story about a girl who is living a stable life that she has created for herself. However, her biological sends her a letter apologizing for putting her up for adoption and telling she wants to see her. She is very confused. My last paragraph states that she goes...
*Sunday, May 4, 2008 at 6:03pm*

**Physics**

4th order dark fringe and 2nd order bright fringe spaced 2.5 cm aparte appear on the screen placed 1 m behind the double slit. What is the spacing of the slits if the wavelegth ofincident light is 500nm? First I converted the numbers: x= .025m wavelength= 5x10^-7m L=1m d=? I ...
*Wednesday, April 30, 2008 at 4:30pm*

**French**

I'm wondering, is the first one right or is the 2nd one right? 1.) Tout le monde ne VA pas répondre corrier eléctronique 2.) Tout le monde ne VONT pas répondre corrier eléctronique Or is it something else? and im mostly wondering about the aller...
*Tuesday, April 22, 2008 at 11:06pm*

**Physics**

4th order dark fringe and 2nd order bright fring spaced 2.5cm apart appear on the screen placed 1 m behind the double slit. What is the spacing of the slits if the waveleght of incident light is 500nm? x=2.5cm=.025m L=1m wavelegth= 500nm = 5x10^-7m d=? x/L=wavelength/d d= (...
*Tuesday, April 22, 2008 at 10:58pm*

**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*

**Circuit Problem- Physics**

I am trying to do these 2 problems. I'm starting out with the RC Circuit (2nd one): h t t p ://img201.imageshack.us/my.php?image=circuit5ij7.png *delete spaces or link won't load! a) The capacitor acts as a bare wire with no resistance, so: I=V/R=V/(4/5R) b) ...
*Sunday, April 13, 2008 at 10:05am*

**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...
*Thursday, April 3, 2008 at 8:52pm*

**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*

**Pre Cal(please show me the work)**

At the show a basketball card dealer tells you that a vintage card increases in value by a factor of 10 every 9 years.If the card is now worth $32, how long ago did she buy it?(Hint: Remember that the value is multiplied by 10 every 9 years, not every year.) 2nd Question ...
*Tuesday, March 18, 2008 at 3:42pm*

**linear algebra**

i'm not sure how to go about this one. any help would be appreciated! find all x's that would make the 2x2 matrix below = to a shear-dilation: 1st row: 1, x 2nd row: 3, 4
*Saturday, March 8, 2008 at 10:24pm*

**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*

**Math**

OOPS! Draw a pair of quads. where the angles of the 1st quad. are congruent to the angles of the 2nd quad. No side of one quad. is to be congruent to any side of the other quad. THIS is straight out of the workbook SORRY!
*Monday, February 25, 2008 at 4:46pm*

**Geometry**

Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad. Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
*Monday, February 25, 2008 at 4:37pm*

**Math**

Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
*Monday, February 25, 2008 at 4:31pm*

**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*

**Social studies**

i need to make an essay about two stories 1st- the tell tale heart 2nd- the speckled band, sherlock holmes story the only problem is the essay needs to be about what they have in common and what differences they have and mix it into paragraphs any help?
*Monday, February 11, 2008 at 2:22pm*

**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*

**Math**

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

**Chem**

Consider the following reaction was found to be the 0th order to A and 2nd order to B. 2A(cr) + 3B(aq) -->A2B3(cr) Write a rate law equation for the reaction rate of A with B.
*Tuesday, January 29, 2008 at 10:57pm*

**7th grade geometry**

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

**Algebra**

Twenty-five percent of your budget will be used to rent business space and pay for utilities. Write an algebraic expression that indicates how much money will be spent on business space and utilities. 2nd question. .25($118,250.00) correct answer? .25($118,250.00)
*Tuesday, January 22, 2008 at 3:06pm*

**Physics Questions!**

An interference pattern is set up by two point sources of the same frequency, vibrating in phase with one another. A point on the second nodal line is 50.0 cm from one source and 59 cm from the other. The speed of the waves is 35 cm/s. Calculate the frequency of the sources. I...
*Saturday, December 15, 2007 at 12:11pm*

**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*

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