Surface Area Problem solving: Math =)?

Question

Okay I have a problem for all u Yahoo's, Its a problem solving thing for math on Surface Area. Please show work and answer and I'll be lookin for best answer =) thanks
here's the question:

In the snowboard half-pipe, Competitors ride back and forth on a course shaped like a cylinder cut in half lengthwise. What is the Surface Area (SA) of this halfpipe course?

it is 250 ft long and 36 feet wide. If you know a lot of snowboarded you show get this. if it helps to draw a picture thats fine. Its basically a rectangle with a dip in it in the middle..half a circle dip so. =)

Answer 1

SA = (1/2) (2πrh) = π(18 ft)(250 ft) = 2250π ft^2 ≈ 7068.6 ft^2

Answer 2

shop after for further help 4n+6-2n=2(n+3) simplify in the previous than you clean up first simplify to 2n+6=2(n+3) on the grounds which you're taking 2n faraway from the concern-loose 4n. Then distribute on the alternative area by way of actuality there is not any sign between the two and the parentheses you multiply yet for the rationalization that there are parentheses you multiply 2 by using n and a pair of by using 3 so now your equation is 2n+6=2n+6 as a effect n=one million which additionally mean it has infinite ideas by way of incontrovertible fact that of the identity property. wish this helped(:

Answer 3

HINDI ANSWER ANG HINIHINGI KO WORD PROBLEM

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