What is the volume of a cylinder with a height of 10 inches if thw area of its base is 40 square inches

A. 400 inch

B. 1,256 inch

C. 4,000 inch

D. 12,560 inch

A. 400 inches

Step-by-step explanation:

V (volume) = AH (Area • Height)

V = 40 • 10

V = 400

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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c. y = 1/4 x + 5

step-by-step explanation:

first, put the equation of the line on the graph into slope-intercept form

(y = mx + b):   y = -4x + 8

second, a perpendicular line has to have "an opposite/reciprocal slope" to the original slope. so, find the "m" value in your original equation (it's -4, right? )

original slope: m = -4   perpendicular slope: change the sign to its opposite and find the reciprocal ("flip" the number)

new slope is now positive (b/c the original slope was negative 4), and it's 1/4 (not the original slope of 4 or 4/1)