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Verdich [7]
3 years ago
8

What is the formula to find the area of a circle?

Mathematics
1 answer:
VMariaS [17]3 years ago
5 0

Answer:it’s A

Step-by-step explanation:

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3 years ago
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Answer:

C) 20

Step-by-step explanation:

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2 years ago
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Answer:

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3 years ago
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Write the sum using summation notation, assuming the suggested pattern continues.
Andrej [43]
Hello,
First , number of numbers: (131-(-4))/9 +1=15+1=16
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\sum_{i=1}^{16}{(-13+i*9) =-13 \sum_{i=1}^{16}{1} + 9*\sum_{i=1}^{16}{i}&#10;&#10;&#10;

=-13*16+9*\frac{16*(1+16}{2}=-208+9*136=1016&#10;&#10;&#10;


4 0
3 years ago
Nydia has overdraft fees totaling -$135. If she has 9 overdrafts, what was the charge for a single overdraft?
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3 years ago
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