Thursday

September 3, 2015
Total # Posts: 17

**Chemistry**

A party-supply store sells a helium-gas cylinder with a volume of 1.55 × 10^-2 m^3. If the cylinder provides 1.81 m^3 of helium for balloon inflation (at STP), what must be the pressure inside the cylinder? Now I don't understand this at all. My book does not explain...
*March 25, 2015*

**algebra**

A number cube is rolled three times what is the probability of the sequence even,even,odd?
*February 13, 2012*

**pre-calc**

If the initial investment of 1000 doubles in value in 9.8 years find the rate for continous compounding. so the formula would be A=Pe^rt but where do the numbers go and how do u solve it? Thanks!
*November 1, 2011*

**Geo**

If NM=x-1 and AB=3x-7, then AB=?
*October 24, 2011*

**pre-calc**

How do u solve (f-g)(x) when f(x)=4x/7 +7 and g(x)=-6/x Ok so its (f-g)(x)=4x/7 +7 - (-6/x) But how do u simplify it from there? Thanks!
*October 5, 2011*

**Pre-Calc**

Evaluate the indicated function for f(x)=x^2-8 and g(x)=x-4 (fg)(3) Am i doing this right? ((x^2)-8))(x-4) =(x^3 -12+32)(3) Answer=3x^3 -36+96 Thanks!
*October 2, 2011*

**Math**

Find the zeroes of the function algebraically. f(x)= ã-7x-2
*September 22, 2011*

**Math**

Sweet, thanks!!! :)
*September 22, 2011*

**Math**

shoot, sorry that box and then a was a square root symbol on my word processory but it appears on this as a box and special a? strange..
*September 22, 2011*

**Math**

Find the zeroes of the function algebraically. f(x)= ã-7x-2
*September 22, 2011*

**Pre-Calc**

Determine whether the function is even, odd, or neither. f(x)= 7x^(3/4) How do you do this with a fraction?
*September 22, 2011*

**Math**

Which is the best investment for three consecutive years? a. A growth of 5% followed by a growth of 10% followed by a growth of 15% b. A growth of 15% followed by a growth of 10% followed by a growth of 5% c. Three years of growth at 10% per year.
*November 20, 2009*

**Math**

Write as a percent 0.983
*November 20, 2009*

**Math**

There is no problem, that is the question I have to answer.
*November 20, 2009*

**Math**

How can you use a proportion to solve a percent word problem?
*November 20, 2009*

**Math**

A share of stock loses 5% in value and then gains 5% . How does its ending value compare with its initial value?
*November 20, 2009*

**4th grade science**

does a lobster use gills to breathe
*September 25, 2008*

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