Thursday
June 20, 2013

Posts by paul


Total # Posts: 654

math
7 digit number have 8 in the thousands place.

math
In 1980 in Montana the temperature rose from -32 degree's f to 15 degree's f in 12 hours. How much did the temperature increase? is it -47 or +47?

math
In 1980 in Montana the temperature rose from -32 degree's f to 15 degree's f in 12 hours. How much did the temperature increase?

math
In 1980 in Montana the temperature rose from -32 degree's f to 50 degree's f in 12 hours. How much did the temperature increase?

chemistry
The density of Hexane is 0.659 g/mL. What is the mass of hexane in 25.9 mL?

Calculus
THanks Steve, but why 3x+5??

Calculus
Evaluate the following definite integral: integral at a = -1, b=2 -4dx/(9x^2+30x+25) Would I have to separate them in 3 terms as: -4 ∫1/9x^2 + ∫1/30x + ∫1/25 resulting in: -4/(3x^3)+ (15x^2)+ C? and from there I can replace a and b f(a) - f(b)? Thank you

Calculus
This is another textbook number that doesn't have the solution and I can't figure it out. Any tips would be greatly appreciated. For each of the plane surfaces, calculate the exact surface area. (Answer in fractions) (a)The surface composed of all surfaces bounded by t...

Calculus
Thanks Reiny :)

Calculus
This is a question from my textbook that does't have a solution and quite frankly I have no idea what to do. Any tips would be greatly appreciated. Given the function f defined by f(x) = 9 - x^2. Find the surface area bounded by the curve y = f(x), the x axis and the lines...

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