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tangare [24]
3 years ago
7

2/5(r-2)=3/20(r-4) What is r?

Mathematics
2 answers:
Luden [163]3 years ago
5 0
R equals approximately 4/5
Dmitrij [34]3 years ago
3 0
<span> r = 4/5 I do believe.</span>
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Michelle found the area of a circle as 78.5 . She used 3.14 for π. What is the radius of the circle? Explain how you found your
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Answer:

5 units

Step-by-step explanation:

Given:-

- The area of the circle was computed to be A = 78.5

- The value of π is estimated to be = 3.14

Find:-

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Solution:-

- The area of a circle (A) with radius ( r ) is computed by the following formula:

                            A = π*r^2

- Divide the equation by π :

                            r^2 = ( A / π )

- Take the square root of the entire equation:

                            r = √ ( A / π )

- Substitute the given values:

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- Resolve the fraction:

                          r = √25

- The perfect square root of 25

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Answer: The radius of the circle is r = 5 units

                         

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3 years ago
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I hope this helps and have a wonderful day filled with joy!!


<3
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