Write the equation of a circle that has a center at the origin and a radius with a length of 4 inches

(x)^2 + (y)^2 = 4^2

Step-by-step explanation:

The standard form of an equation  for a circle is

(x-h)^2 + (y-k)^2 = r^2

where (h,k) is the center and r is the radius

Since the center is 0,0  and the radius is 4

(x)^2 + (y)^2 = 4^2

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7 hours, 0 minutes, 0 seconds

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0.04

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0.29

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7.00

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420.00

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step-by-step explanation: