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alisha [4.7K]
3 years ago
12

HELP WITH 20 PLEASE!

Mathematics
1 answer:
agasfer [191]3 years ago
7 0
Divide the circumference by 2, then square that number 
What you are doing is dividing the diameter by 2, getting the radius then squaring which is the formula pi r^2
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belka [17]

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,m,

Step-by-step explanation:

3 0
3 years ago
Find the 78th term of the arithmetic sequence<br> -12,-13,-14,
creativ13 [48]

Answer:

  -89

Step-by-step explanation:

The first term of the sequence is a1 = -12.

The common difference between terms is ...

  d = -13 -(-12) = -1

The generic term is given by ...

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Then the 78th term is ...

  a78 = -12 +(-1)(78 -1) = -12 -77

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8 0
2 years ago
Jon invests $4,100 into an account that pays 5 percent simple interest each year.what is the total balance in the account after
AlladinOne [14]
% Interest = 5%
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Period Of Pay = 3 yrs

Interest Amount
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Amount After Interest
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Answer = 4715
7 0
4 years ago
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Julli [10]

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Step-by-step explanation:

3 0
2 years ago
138 invitations to 75 invitations,what is the percent change?
Thepotemich [5.8K]

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