If Tangent theta = negative three-eighths, which expression is equivalent to cotangent theta?
StartFraction 1 Over negative three-eighths EndFraction
Negative three-eighths + 1
StartRoot 1 + StartFraction (Negative eight-thirds) squared EndRoot
(Negative three-eighths) squared + 1

192/15 = 12.8.

12.8

step-by-step explanation:

192/15 is 12.8.

however, it says to round to the nearest foot, which would equal 13.

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

$25 becasue a 10 increase would make it from 80 to 50