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Aleonysh [2.5K]
3 years ago
15

7. The bottom of a circular swimming pool

Mathematics
1 answer:
mote1985 [20]3 years ago
4 0
<h2>Hello!</h2>

The answer is:

1017.88 square feet are blue.

<h2>Why?</h2>

To calculate how many square feet are blue, we need to calculate the area of the bottom of the circular swimming pool.

We need to remember that we can calculate the area of any circle using the following formula:

Area_{circle}=\pi radius^{2}

Now, we know that the diameter of the bottom is equal to 36 feet, so, we can calculate the radius of the bottom using the following formula:

diameter=2radius\\\\radius=\frac{diameter}{2}

So,

radius=\frac{36feet}{2}=18feet

Then, calculating the area we have:

Area_{bottom}=\pi radius^{2}=\pi 18ft^{2}=1017.88ft^{2}

Hence, we have that 1017.88 square feet are blue.

Have a nice day!

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Answer:

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children                 55                        20          75

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a)What is the probability that a randomly selected individual is an adult?

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b) What is the probability that a randomly selected individual is a child and prefers chicken?

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