Thursday
May 23, 2013

# Posts by Rosie

Total # Posts: 79

math
Name the shape. Plane shapes. It does not have 4 sides. all of it sides are equal. All of its angles are acute.

Thank you.

4/6 of 18 is ?

math
If x+y=-10 and x-y=2, what is that value of x?

Physics
Two dogs are pulling on opposite ends of a bone. One dog pulls to the right with a force of 50N while the other pulls to the left with a force of 40N. Are the forces balanced or unbalanced? How do you know? What is the net force on the bone? Would the bone's velocity chang...

science
minerals used by animals for bones

calculus
Given f(x) = x3, evaluate lim h->o f(a+h)-f(a)/h

calculus
Sketch the graph of F(x).

calculus
A state charges polluters an annual fee of \$20 per ton for each ton of pollutant emitted into the atmosphere, up to a maximum of 4,000 tons. No fees are charged for emissions beyond the 4,000-ton limit. Write a piecewise de nition of the fees F(x) charged for the emission of x...

calculus
The fee per ton of pollution is given by A(x) = F(x)=x. Write a piecewise de nition of A(x). What is the limit of A(x) as x approaches 4,000 tons? As x approaches 8,000 tons?

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