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ella [17]
3 years ago
11

Help pretty please :) <3

Mathematics
2 answers:
Eduardwww [97]3 years ago
7 0
To find the mean, add up all of the numbers, and divide by the total amount of numbers.

-5 + -7 + 0 + 8 + 9 = 5

5/5 = 1 
dimulka [17.4K]3 years ago
4 0
That would be 10 and your very welcome
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A circular city plaza is surrounded by a row of bricks. The area of the plaza is 1,520 square meters. How long is the row of bri
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Answer:

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Step-by-step explanation:

step 1

Find the radius of the circular city plaza

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substitute

1,520=(3.14)r^{2}

solve for r

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step 2

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C=2\pi r

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r=22\ m

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substitute

C=2(3.14)(22)=138\ m

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