I need some help with 2 math problems from my math class. I used to be good in math, and still am, in some areas, like probability, which I can use in poker, but not so much in other areas, like geometry.

I have until Tuesday to turn these in, so if anyone can help, and explain, it would be greatly appreciated.

1. A steel drum in the shape of a right circular cylinder is required to have a volume of 100 cubic feet.

a) express the amount of material needed to make the cylinder as a function of the radius

b) what radius gives the least amount of material?

c) what is the least amount of material needed for such a radius?

2. A sprinkler that sprays water in a circular motion is to be used to water a square garden. If the area of the garden is 920 sq. ft. find the smallest whole number radius that the sprinkler can be adjusted to so that the entire garden is watered. Also determine how much area outside the garden is watered?

If you can help, please do, and don't just give me the answer, please explain as well.

Thanks
ceecee79 Reviewed by ceecee79 on . Help needed from those who are good in math I need some help with 2 math problems from my math class. I used to be good in math, and still am, in some areas, like probability, which I can use in poker, but not so much in other areas, like geometry. I have until Tuesday to turn these in, so if anyone can help, and explain, it would be greatly appreciated. 1. A steel drum in the shape of a right circular cylinder is required to have a volume of 100 cubic feet. a) express the amount of material needed to make the cylinder as a Rating: 5