Wednesday

April 16, 2014

April 16, 2014

Total # Posts: 55

**Physics**

Consider a simple frictionless roller-coaster. It begins at x = 0, at a height of y = H. Then it drops into a dip, reaching a minimum at x = 100, with zero height (y = 0). Finally, it goes back up at x = 200, but only reaches a height of y = H/2. Assume the roller-coaster car ...

**Chemistry **

Balance KCLO3 ---> KCl + O2

**Algebra 1**

solve the inequality -3n<81

**math**

i have the same question as gabe

**math**

i have the same question as gabe

**Math**

if pencils cost 20 cents and pens cost 30 cents how much does r pens and p pencils cost? please help.

**Math**

if pencils cost 20 cents and pens cost 30 cents each how much does it cost for p pencils?

**math**

A.) graph the quadrilateral with the end points A(6,5), B(-3,-1), C(-1,-4) and D(8,2) B.) what type of quadrilateral is ABCD? use slope to justofy your answer Can someone please help me with ASAP thank you so much

**Physics**

Take an average 82 kg pet frog, what's it weight on earth? What is it's weight on the moon?

**physics**

the sounds of a cricket gets stronger as you get closer to it. if you get twice as close, how much louder will the sound be?

**Plz help math**

3n/(n2 -7n + 10) - 2n/(n2-8n+15)

**Help! stuck on this math question**

3n/(n^2 -7n + 10) - 2n/(n^2-8n+15)

**algebra 2**

3n/(n2 -7n + 10) - 2n/(n2-8n+15)

**science**

Th thermosphere is 415km deep. What percent of the atmosphere made up by the thermosphere if the total atmosphere extends 500km.

**statistics**

Use your data to make a frequency table by age, with 7 classes, starting at age 10 with a class width of 10.

**math**

The equation for: Judy and Linda agree to share the cost of a $21 pizza based on how much each one ate. If Judy ate 3/4 of the amount that Linda ate, how much should each pay? what is the formula please.

**Chemistry**

What concentration of aqueous NaOH solution freezes at negative 3.2 degrees celsius ?

**English Help**

Write the plural possessive form of each noun for questions 1–3 1. friend 2. box 3. house

**Algebra**

the denominator of a fractio is an integer that is one greater than the numerator. A second fraction is the reciprocal of the integer that is one less than the numerator of the first fraction. If the product of the two fraction is 3/8 identify the first fraction.

**algebra**

a trip of 120 miles required 7 gallons of gas. at this rate how many gallons would be needed at 180?

**chemistry**

whcih of the folllowing values is the amount of sodium nitrate that can be dissolved in 100mL of water of 40 degrees celcius? A- 0g B-40g C-100g D-130g

**IPS**

If I have 1.9 g of sulfur and need to do three trials using 0.030 mol of S each time, how do I find out if I have enough sulfur?

**Math**

The areas of two adjacent squares are 256 square inches and 16 square inches, respectively, and their bases lie on the same line. What is the number of inches in the length of the segment that joins the centers of the two inscribed circles? Express your answer as a decimal to ...

**chemistry**

what would be the amount of water that would be formed during the complete combustion of propane in the presence of excess oxygen?

**5th Grade Math**

Which ones are prime numbers. 43, 87, 59, and/or 73.

**5th Grade Math**

What is the communitive property.

**Language Arts**

sorry miss sue i made that mistake

**Language Arts**

Find one error. Window comes from one word that means "wind" and another that means "eye' We buy windows to keep an eye on the wind. We also use them to keep heat in when it's cold out side.

**4th grade math**

Sunbeam's group of close friends are going to fifth grade in September. All are going to Highway elementary school and their home rooms will be 12,14,or 16. All of her friends but 4 are going to room 12, all but 4 are going to room 14, and all but 4 are going to room 16. N...

**math 4th grade**

Leah liked to balance objects she found around the house using the science kits she got for Christmas. She found that 3 identical apples and a 5-gram weight exactly balanced with a 50-gram weight.Leah said she could tell how much each apple weighed by solving the equation 3a+5...

**Math**

You are playing a card game with a full deck of 52 cards. You win if you draw a red card that is a multiple of 5. What are your chances of winning on the first draw?

**math 4th grade**

3/50,3/7,3/4,3/3,3/2

**3rd grade**

434

**history**

Compare the colonial empires of Spain, France and England in terms of their settlements, economic structure and political control.

**Social Studies**

So far this semester, we have discussed topics such as Nationalism, Industrialization, the Rise of Democracy, and the effects of Imperialism. Use those topics to create a response to the following question: To what degree should European modernization be praised or condemned?

**Social Studies**

To what degree should European modernization be praised or condemned?

**social studies**

what was an assyrian attack like?

**scientist**

EXPLAIN WHAT HAPPENS TO A ROCK AFTER THEIR ELASTIC LIMIT IS PASSED.

**10th grade English**

I'm writing an essay for English class. I was just wondering if somebody could read over this sentence and tell me whether or not it sounds alright. Everybody wants to be happy, but we often forget how easy it can be to attain hold of that happiness due to tragedies in our...

**speech28394691283741290**

what does a speech need in order to do it in front of a press?

**Pre-Algebra**

its ok i cant figure it out i really hate algebra

**Pre-Algebra**

it is about math in algebra i dont know why but it is my teacher is wierd

**Pre-Algebra**

What do they call the International Hula Hoop Championships?

**7th grade**

how is that math?

**4th grade**

break up these two words into syllables? COAST ODD

**7th grade Pre-Algebra**

8(-5)=-40 i hate pre-algebra

**science**

Suppose you are testing the boiling temperature of several liquids. How would you use numbers during your investigation?

**3rd grade science**

What property does the waterproff synthetic material share with the water lillies' leaves?

**Georgia Studies**

In what way did colonists particate in governing themselves after Georgia became a royal colony?

**7th grade math(the metric system)**

Is the metric system (SI) better than the english system? why and why not?

**Algebra**

Expressions with Multiplication & Division. Evaluate each each expression for x = 3 7x ? 18/x ?

**author**

In tale of two cities, what does noisiest authorities mean?

**physics**

the sounds of a cricket gets stronger as you get closer to it. if you get twice as close, how much louder will the sound be?

**calc**

find the area between the x-axis and the graph of hte given function over the given interval: y = sqrt(9-x^2) over [-3,3] you need to do integration from -3 to 3. First you find the anti-derivative when you find the anti-derivative you plug in -3 to the anti-derivative and the...

**Math**

Which is True? A 3/5 > 1/2 B 1/2 < 4/9 C 5/11 > 1/2 D 1/2 > 5/8 How do I determine? Thanks for the help! The shortcut for doing these is as follows: Cross-multiply by multiplying the numerator of the first times the denominator of the second. Then multiply the deno...

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