2 years ago

Help me pleas. Math is not my thing it read.

Mathematics

2 answers:

crimeas [40]2 years ago

3 0

Answer:

74900

Step-by-step explanation:

just multiply the two numbers.

Mice21 [21]2 years ago

3 0

Answer: 74,900

Step-by-step explanation:

multiply

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3 years ago

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An FM radio station signal travels in a 40-mile radius. An AM radio station

MrMuchimi

Answer:

4976.28 square miles (nearest hundredth)

Step-by-step explanation:

$\textsf{Area of a circle}=\pi r^2 \quad \textsf{(where r is the radius)}$

<u>FM radio station</u>

Given:

r = 40 miles

$\implies \textsf{Area}=\pi (40)^2=1600 \pi \: \sf miles^2$

<u>AM radio station</u>

Given:

r = 4 miles

$\implies \textsf{Area}=\pi (4)^2=16 \pi \: \sf miles^2$

Difference:

$\begin{aligned}\implies \textsf{FM area - AM area} & =1600 \pi - 16 \pi\\ &= 1584 \pi\\ & =4976.23\:\textsf{square miles (nearest hundredth)}\end{aligned}$

3 0

2 years ago