Wednesday

February 10, 2016
Total # Posts: 141

**physics**

Bill kicks a rock oﬀ the top of his apartment building. It strikes a window across the street 11 m away. The acceleration of gravity is 9.8 m/s 2 . If the window is 22 m below the position where Bill contacted the rock, how long was it in the air? Answer in units of s
*January 2, 2012*

**physics**

A cat chases a mouse across a 1.5 m high table. The mouse steps out of the way, and the cat slides oﬀ the table and strikes the ﬂoor 1.0 m from the edge of the table. The acceleration of gravity is 9.81 m/s 2 . What was the cat’s speed when it slid oﬀ...
*January 2, 2012*

**Math**

x+3y=1 -5x+4y=-24 Solve the linear system by using elimination
*December 1, 2011*

**PSY Quiz**

Hormones that regulate the development and functioning of reproductive organs are called ________ hormones. A. Endorphin B. Dopamine C. Melatonin D. Sex
*October 27, 2011*

**please help! :)**

so d is right thats what i got
*October 1, 2011*

**arithmetic**

If you treat the day of the month as a number (March 12th is the number 12, April 4th is the number 4), what is the average value of the numbers that represent the 6 Tuesdays that fall after September 12, 2011?
*September 12, 2011*

**physics**

Oh no sorry didn't realize i repost but your formula was helpful
*July 14, 2011*

**physics**

What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?
*July 14, 2011*

**physics**

What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?
*July 14, 2011*

**physical science**

A football player picks up.the football runs with it and throws it to a teammate, during which of these actions is work being done on the football?
*June 30, 2011*

**statistics**

A researcher is testing a null hypothesis that states: H: ì = 50. A sample of 25 scores is selected and the mean is M = 55.Assuming that the sample variance is s2 = 100, compute the estimated standard error and the t statistic. Is this sample sufficient to reject the ...
*April 15, 2011*

**physics**

options: A) it is a convention B) distance is a scalar quantity C) it is used to calculate speed D) time cannot be controlled as a variable
*March 2, 2011*

**physics**

why is distance usually on the bertical axis even if the distance is the independent variable?
*March 2, 2011*

**english**

We have a worksheet that says classify eash sentence.. What does that mean?
*November 30, 2010*

**Chemistry**

4.0 gram of ferrous ammonium sulphate, FeSO4*(NH4)2SO4 * 6H2O, is used. Since the oxalate is in excess , Calculate the theoretical yield of the iron complex FeSO4•NH4)2SO4•6H2O + H2C2O4•2H20 --> FeC2O4 + (NH4)2SO4 + H2SO4 + 8H2O 6FeC2O4 + 3H2O2 + 6K2C2O4•...
*November 15, 2010*

**3rd grade**

juan says "when you put together unequal groups, you can only add." is he correct?
*October 18, 2010*

**adult Development and Life Assessessment**

The issue that discusses whether development is more a function of biology or more a function of the environment is the ______________ controversy
*July 17, 2010*

**research**

what strategies formulated a nation apart
*June 14, 2010*

**math**

(-2x^4 ) ^(-3) I cant figure this problem out please help!!!!
*May 8, 2010*

**Business**

The higher the inventory turnover ratio, the more inefficient the firm is in managing its inventory. True or False?
*April 26, 2010*

**business**

Return on assets represents the total return on the net investment in the firm. True or False?
*April 26, 2010*

**science**

what contributed most to the fish population dying during the 1970's
*March 2, 2010*

**Maths**

When a die is rolled three times, 1. what is the probability of three no.s being all different? 2. And is the opposite of that event two or three no's being the same?
*February 22, 2010*

**Chemistry**

How do i calculate the amount of heat required to raise the temperature of an 89 sample of water from 40 to 60.
*February 20, 2010*

**Maths**

- In a normal pack of cards, write down the odds against picking each card. a) a diamond b) a jack c) a red 10 d) a black picture card e) a picture card 1. A die is rolled 3 times. Estimate the chance of 2 or 3 no.'s being the same. Find the probability that i) the three ...
*February 19, 2010*

**Probability II =) **

You are shown five cards, Three have X written on them and two have Y. The cards are turned over so the X abd Y are no longer visible, and shuffled/ One card is picked and laid face up on the table. It is an X. If the remaining cards are shuffled and another card is now laid ...
*February 19, 2010*

**Maths- Probabilty**

1. From a bag containing 5 gold and 3 red marbles that feel identical, one is drawn at random. If the first marble drawn is not replaced before the second is drawn: i) Explain why the probability of picking the second gold marble is 4/7 and why the probability of picking two ...
*February 19, 2010*

**French**

Could you please check these thanks. Part 1 Directions: Choose the right word with the right statement. Word Bank A. donner B. téléphoner C. mettre D. décrocher E. commposer 1. ------ le numéro Answer: E 2. ----- le téléphoner Answer: ...
*February 9, 2010*

**math 116 appendix d**

suppose you want o cover the backyard with decorative rock and plnt some trees as the first phase of the project. You need 30 tons of rock to cover the area. I f each ton cost 60$ and each tree is $84 what is the maxium number of rees you can buy with a budget for rock and ...
*January 17, 2010*

**Literature / Short story I**

ALL CORRECT 100% C C A C A D D C A C B B C D B B D D A B
*March 13, 2009*

**literature**

The Complete Correct answers are B B B B D C A D C C D C A A C A C D A A
*December 9, 2008*

**5TH GRADE MATH NEED HELP ASAP**

What's another name for 1/4? A.1.4 B. 1 1/4 C. 0.25 D. 1/25 E. NH
*April 22, 2008*

**math**

Ordered: Ceclor 0.375g po bid. On hand: Ceclor Oral Suspension 187 mg per 5 ml. How much medication will you administer?
*February 15, 2008*

**ALGEBRA 2 PLEASE HELP**

How do I solve this quadratic function by finding square roots 2x²=200 ?
*February 11, 2008*

**Algebra 2**

How do I solve this quadratic function by finding square roots 2x²=200 ?
*February 11, 2008*

**Physical Science**

HERE ARE CORRECT ANSWERS 100% 7/27/10 D A C C A C C A B D A B D B C B C A B B A A B C C
*January 13, 2008*

**American Government**

"Universe" is a term used to describe a. a politician's constituency b. the entire group of persons in a given poll. c. the entire group of persons whose opinions a poll seeks to measure d. the group that supports the activities of an interest group A universe or...
*November 25, 2006*

**spanish**

how do you say these words in spanish? notebook eraser cd player folders binder homework cellphone notebook-cuaderno eraser-borrador cd player-reproductor de compact-disc folders -carpetas binder-carpeta homework-deberes cellphone-teléfono celular *this is how they say ...
*November 16, 2006*

**science**

I have a test today. what shoud do? Study.
*November 3, 2006*

**science**

I have a test today .
*November 3, 2006*

**math**

I have a math test today.What shoud do?
*November 3, 2006*