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Roxanne is measuring the diameter and the radius of different-sized circles. There is a proportional
relationship between the radius of the circle in inches, x, and the diameter of the circle in inches, y.
A circle with a 2-inch radius has a diameter of 4 inches. Write the equation for the relationship
between x and y

Respuesta :

Answer: y =2x

Step-by-step explanation:

Hi, to answer this question we have to write an equation with the information given:

Since a circle with a 2-inch radius has a diameter of 4 inches, it means that the diameter of a circle (y) is equal to two times its radius (x).

Mathematically speaking:

y = 2 x

Feel free to ask for more if needed or if you did not understand something  

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