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Murrr4er [49]
3 years ago
14

PLEASE HELP ASAP!!

Mathematics
2 answers:
Airida [17]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Hey There so the first step of this problem is to find the formula for circumference

C=2\pi r

given some of the values we can form an equation to solve for the radius (r)

31.4=3.14(2)r\\3.14(2)=6.28\\31.4=6.28r\\\frac{31.4}{6.28} =5

so we can conclude that the radius is equal to 5

ladessa [460]3 years ago
4 0

Answer:

C) 5 ft

Step-by-step explanation:

Equation used: C=2πr

This isn't a hard question once you understand the basics of it. The radius squared by 2 equals the diameter, and other way around. Your going to divide the circumference by the pie (π).

31.4 ÷ 3.14 = 10

Now you'll do 10/2 to equal 5.

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Answer:

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Step-by-step explanation:

First, you need to find the area of the certificate, which you can do by multiplying 10*13, since it is a rectangle. 10*13 is 130. Then, multiply 130 by the price per inch, which is $1.69. 130*1.69=219.7, which in financial terms would amount to $219.70.

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3 years ago
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Step-by-step explanation:

Since, roots are - 3 & 2

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galina1969 [7]

Answer:

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