Well if the diameter is 20 feet then the radius will be 10 because the radius is half the diameter, and to find the area of a circle, you use the formula

A= $\pi r^{2}$ where A is the area and pi times the radius squared.

We will represent pi by 3.14

A= 3.14* 10^2

A= 3.14 * 100

A = 314

6 0

2 years ago

A rectangle has a perimeter of 30 inches.

erastova [34]

The new perimeter would be 60. because the width and the height are doubled.

8 0

2 years ago

A dot plot titled hours of practice this week going from 0 to 4. 0 has 1 dot, 1 has 2 dots, 2 has 0 dots, 3 has 4 dots, and 4 ha

WITCHER [35]

Answer:

1, 2, 3, 5

Step-by-step explanation:

I took the quiz

4 0

2 years ago

Rewrite in simplest rational exponent form √x • 4√x. Show each step of your process.

miss Akunina [59]

$\sqrt{x} * 4\sqrt{x} \\4\sqrt{x * x} \\4\sqrt{x^{2}} \\4x$

3 0

2 years ago