Friday
December 6, 2013

# Posts by monica

Total # Posts: 467

chemistry
If you made up a solution of NaOH by adding 0.010 mole of solid NaOH to 1.0 liter of distilled water, what would be the pH of the solution?

Math
find the actual rational zeroes for f(x)=4x^3-16x+17x-5

math
What is the value of x if the perimeter of a rectangle is 38cm.?

Chemistry
A 7.83 g sample of NaCl is dissolved in 90.00 mL of ethyl alcohol solution. Calculate the molar concentration of the solution.

Chemistry
That's what i was going over an was thinking that was the answer.

Chemistry
The combustion of 1 mole of CO according to the reaction CO(g) + ½O2(g) → CO2(g) + 67.6 kcal gives off how much heat?

precalculus i dont understan this hw
for you its easy because you understand it !

precalculus i dont understan this hw
How to prove sec x - tanx sinx= cosx

I NEED HELP ASAP
how to prove cos^2A(1+tan^2 A)=1

I need help
SOME ONE SHOW ME HOW YOU DO IT PLEASE

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