Solve the problem.The area of a circle varies directly as the square of the radius of the circle. If a circle with a radius of  has an area of 78.5 square inches, what is the area of a circle with a radius of 8 inches?

A. 50.24 in.2
B. 203.36 in.2
C. 25.12 in.2
D. 200.96 in.2


Answer: D

Mathematics

You might also like to view...

Decide whether the equation describes a function.y = 5x - 8

A. yes B. no

Mathematics

The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 0-910-1920-2930-39Weight of Package (pounds)Find the number of packages 19 pounds and under.

A. 6 packages B. 5 packages C. 11 packages D. 2 packages

Mathematics

Graph the inequality.y ? 7 

A.  

B.

C.

D.

Mathematics

Solve the problem.Determine if the number is a perfect square.64

A. Yes B. No

Mathematics