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barxatty [35]
4 years ago
6

Find the circumference of a circle whose area is 452.16 square meters. (Use 3.1416 as the value of π.) A. 24 meters B. 37.6992 m

eters C. 12 meters D. 75.3984 meters
Mathematics
1 answer:
Shkiper50 [21]4 years ago
4 0
<span>D is the correct answer. To work out the radius of a circle from the area, find the square root of the area/pi. This makes square root of 452.16/3.1416 = 12. The circumference is 2 x pi x r = 2 x 3.1416 x 12. The circumference is 75.3984.</span>
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Write the systems of equations from the table below and find the solution?
Alecsey [184]

The system of equations is y = 4x - 3 and y = -1/3x + 4 and the solution is (21/13, 45/13)

<h3>How to determine the system of equations?</h3>

From the question, we have the table of values as the parameters that can be used in our computation:

From the table, we have

<u>Table 1</u>

(x, y) = (0, -3) and (4, 13)

A linear equation is represented as

y = mx + c

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This means that

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The point (4, 13) implies that

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So, the equation is

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<u>Table 2</u>

(x, y) = (0, 4) and (4, 6)

A linear equation is represented as

y = mx + c

This means that

c = 4

So, we have

y = mx + 4

The point (4, 6) implies that

6 = m * 4 + 4

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y = -1/3x + 4

Substitute y = -1/3x + 4 in y = 4x - 3

-1/3x + 4 = 4x - 3

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-x + 12 = 12x - 9

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13x = 21

Divide

x = 21/13

y = -1/3x + 4 implies that

y = -1/3 x 21/13 + 4

So, we have

y = -7/13 + 4

Evaluate

y = 45/13

So, the solution is (21/13, 45/13)

Read more about system of equations at

brainly.com/question/13729904

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Step-by-step explanation:

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