Total # Posts: 24

Math
Input 10 output 55

Early Childhood Literacy
I think it would be A.

Early Childhood Literacy
If you noticed an infant wanted a ball but couldn't reach it and you were interested in developing a sign for ball, you should: A. Form a ball like hand sign, say ball and give it to him. B. Wait until he made a sign before giving the ball

Determine whether you can construct many, one, or no triangle(s) with the given description. a) a triangle with angle measures of 50°, 70°, and 100° no b) a triangle with one angle measure of 60° and one 4-centimeter side no c) a scalene triangle with a 3-...

la history

Chemistry
Compare the rate of effusion of carbon dioxide with that if hydrogen chloride at the same temperature and pressure.

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...

7 times 289=

algebra
A number cube is rolled three times what is the probability of the sequence even,even,odd?

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!

Geo
If NM=x-1 and AB=3x-7, then AB=?

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!

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!

Math
Find the zeroes of the function algebraically. f(x)= ã-7x-2

Math
Sweet, thanks!!! :)

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..

Math
Find the zeroes of the function algebraically. f(x)= ã-7x-2

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

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.

Math
Write as a percent 0.983

Math
There is no problem, that is the question I have to answer.

Math
How can you use a proportion to solve a percent word problem?

Math
A share of stock loses 5% in value and then gains 5% . How does its ending value compare with its initial value?