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Aleksandr [31]
2 years ago
12

The area of a circle is 9πft^2. What is the circumference in feet?

Mathematics
2 answers:
vlada-n [284]2 years ago
6 0

Answer:

  • 6π ft

Step-by-step explanation:

<u>Area:</u>

  • A = πr²

<u>Circumference:</u>

  • C = 2πr

<u>Substitute values in area:</u>

  • πr² = 9π
  • r² = 9
  • r = 3 ft

<u>Circumference is:</u>

  • C = 2π*3 = 6π
Sholpan [36]2 years ago
3 0

Answer:

98

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Correlation between x & y is 0.6125.

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1 year ago
Kim solved the equation below by graphing a system of equations. log base 2 (3x-1) = log base 4 (x+8)
kompoz [17]

Answer:

solution is

x=1.353,y=1.613

Step-by-step explanation:

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log_2(3x-1)=log_4(x+8)

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now, we can draw graph

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we can see that

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so, solution is

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8 0
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