Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 723

**Math Probabilities**

A bag contains 9 red chips and 12 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are the same color? That would be the probability of two reds PLUS the probability of two blues. The probability of two re...

**Biology**

Are IV fluids hypertonic, hypotonic, isotonic? The tonicity depends on what fluids are being used in the IV. Since this is not my area of expertise, I searched Google under the key words "IV fluids hypertonic hypotonic isotonic" to get these possible sources: http://...

**Biology**

Are any of these anabolic reactions? a. making starch from many glucose molecules b. making proteins from many amino acids c. making many glucose molecules from many glycogen molecules Since this is not my area of expertise, I searched Google under the key words "anabolic...

**More Chemistry**

HNO3

**help me for this stupid worksheet**

Hi

**math 4th grade**

If Sally gave a survey with five colors listed and ask each person who takes the survey to pick one color. She assumes that the results if given to 24 persons the results would be 1/2 blue, 1/12 red, 1/8 blue, 1/4 green, and 1/24 orange. What number of surveys would best prove...

**Chemistry**

how about expressing 230 parts per thousand (ppt) of SO4^2- in mol per kg? 230 ppt is 230 g/1000 g = 230 g/kg. Convert 230 grams into mols and you have it. SO, I come up with an answer of 2.39 mol/kg. Correct? J

**Economics**

did you ever get answer for this ?

**largest possible area**

The largest possible area is therefore A(max)=(1/2)xy =(1/2)[[5/sqrt(2)][5/sqrt(2)]] = (1/2)(25/2)= 25/4 sq cm

**acids and alkalis**

hi are you missy missy

**science**

What controversy was connected to Surface Mining Control and Recovery Act? Check this site for opposition to that act. http://www.teachcoal.org/aboutcoal/articles/coalamer.html

**word unscramble**

ttlrmehee

**math**

tttlrmehee

**BRAINTEASERS**

theres no place like home

**BRAINTEASERS**

theres no place like home

**Distributive property**

Use the distributive property to remove the parentheses. -(-w-2u+2)

**physics**

So I'm still confused on what's happening here?

**Physics, Desperate Need of help!**

I would assume it's 80x32x26 = 66560cm^3

**australia's role in united nations**

Outline Australia’s positions and responsibilities in the United Nations australia plays a big role :P australia's role in the united Nations was to ..... not much Hey, it would help heaps if you could andwer this question, What is Australia's role in the United N...

**History, Geography**

Outline Australia’s positions and responsibilities in the United Nations

**History**

What has been Australia’s involvement in UNESCO, UN conventions and international environmental treaties? These sites detail Australia's involvement in these international organizations. http://www.dfat.gov.au/un/ https://www.cia.gov/cia/publications/factbook/geos/as....

**MATH - Rational Expressions**

HELP PLEASE! I am taking my college placement test tomorrow and am working on the sample test now. I need help with this question about Rational Expressions... For all r (<INSERT>is not equal to sign)+ or - 2 r(squared) - 5r+6 (All Over) r(squared)- 4 I know the answer i...

**Linear Equation in Two Variables**

I have to take a college placement test and am studying hte practive test. He is the question . . . What is the equation of the line that contains the points with (x,y) coordinates (-3,7) and (5,-1)? I know that the answer is y=-x+4, but I cannot remember from high school what...

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