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Natasha2012 [34]
3 years ago
14

What is the radius of a circle that has circumference of 81pi square inches?

Mathematics
1 answer:
Troyanec [42]3 years ago
8 0
I think the answer is 18 in

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Solve the system x+3=22 2x-y=2
steposvetlana [31]

Hello from MrBillDoesMath!

Answer:

x = 19, y = 36

Discussion:

x + 3 = 22     (*)

2x - y = 2      (**)


Subtract 3 from both sides of (*)

x + 3 -3 = 22 = 3 = 19  =>

x = 19


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38 -2 = 2 -2 + y =>

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Regards,  

MrB

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


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3 years ago
Explain the relationship between the area and the radius of a circle.
Bess [88]

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2) Steve drives 78 miles on 3 gallons of gas. Find the miles per gallon.
oksano4ka [1.4K]
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2nd question: 4 miles per hour

3rd question: The 5 bags of pretzels is the lower unit price.

Hope this helps!
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