a window is shaped like a semicircle. the base of the window has a diameter of 3 1/2 ft. find the area of the window to the nearest tenth of a foot. explain how you found the answer.

10 - 75

step-by-step explanation:

there's nothing attached so it's most likely anything in that range.

mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb

there should be an link icon on the bottom of the text box you get. it looks like a paperclip!