What is the area of a circle with a radius of 5 inches? Use 3.14 for TT
Enter your answer as a decimal in the box,
in

Step-by-step explanation:

A≈78.54in²

Step-by-step explanation:

Given

Radius (r) = 5 inches

Area of the circle

= πr²

= 3.14 * 5²

= 78.5 inches²

Hope it will help :)

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15