Sunday

February 14, 2016
Total # Posts: 16

**Math**

If sec (t) = 13/12 then,find the value of cos (t)
*November 28, 2015*

**math**

0.1818
*May 19, 2013*

**Math**

268
*May 5, 2013*

**Chemistry**

2 years later and you guys are still saving my ass. Thank you :)
*January 30, 2013*

**Algebra2**

Square both side first 2x)^1/2^2=(x-4)^2 2x=x^2-8x+16 subtract 2x from both sides x^2-10x+16 now FOIL (x-8)(x-2)
*March 13, 2012*

**math magic box**

8 1 6 3 5 7 4 9 2
*March 1, 2012*

**statistics**

The population standard deviation (σ) for a standardized achievement test that is normally distributed is 8. a.) Calculate the standard error of the mean if you draw a random sample of 50 test scores. Show your work for full credit . . ...
*February 21, 2012*

**Math - Expected Value**

If you select a chip at random from a jar with 7 red, 2 green and 1 blue chip. If the chip you pick is red, you win $10,000, if it is green, you wil $20,000 and if it is blue, you lost $100,000. What is your expected value of this game?
*January 9, 2012*

**school**

determine the final concentration of a 20.ml 5.M NaCl solution if 30Mml of water has is added to the solution?
*December 11, 2011*

**Chemistry**

determine the final concentration of a 20.ml 5.M NaCl solution if 30Mml of water has is added to the solution?
*December 11, 2011*

**science**

Describe the plant life, animal life, and geology of the ecosystem in the area in which you live. I live in Northern Illinois. What populations and communities are present? How dependent is your community on this ecosystem? What are the limiting factors of the ecosystem?
*June 29, 2011*

**English**

looks good and sounds great, not bad for not being good with writing and English.
*March 24, 2011*

**11th grade**

what does the value of G=6.67e-11 tell us about the force of gravity
*October 17, 2010*

**physics**

actually, 0.25 with sig figs is 0.3 m/s^2, which is the correct answer.
*March 20, 2009*

**physics**

since acceleration = Net force/ mass, plug in 25 N for force and 100 kg for mass you will get 0.25 m/s^2
*March 20, 2009*

**Health**

Can you name healthy snacks that start with Q, U and X? Thanks. quick milk uberlicious milk x-ray milk
*August 30, 2006*

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