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IceJOKER [234]
3 years ago
9

3. Can you add areas together?

Mathematics
1 answer:
vesna_86 [32]3 years ago
3 0
I'm pretty sure you can.
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A region with a 5-mile radius has a population density of about 3100 people per square mile. Find the number of people who live
Gwar [14]

Answer:

243,000 people

Step-by-step explanation:

First, what we need to do is to calculate the area of the region using the 5-mile radius

Mathematically, we can calculate this as the area of a circle

Area = pi * r^2

Our r here is 5 miles

Area = pi * 5^2 = pi * 25 = 78.54 square miles

Now to get the population, we know that per square mile we have 3,100.

Hence per 78.54 square mile, we have 78.54 * 3100 = 243,273 people

To the nearest thousand, 243,000

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The volume of a cube is 64 cubic inches. Which expression represents s, the length of a side of the cube?
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Answer:64x64x64

Step-by-step explanation:

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Which point is the vertex of the graph defined by f(x) = 6|x − 2| − 5
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Five of the 25 girls on Alden Middle School’s soccer team are seventh-grade students. Find the percentage of seventh graders on
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