Which methods could you use to calculate the x-coordinate of the midpoint of a horizontal line segment with endpoints at (0,0) and (20,0) Check all that apply.

A. Count by hand.

B. Divide 20 by 2.

C. Divide 0 by 20.

D. Divide 20 by 0.

A. Count by hand.

B. Divide 20 by 2.

Step-by-step explanation:

The midpoint between two points is found by the mean of their coordinates.

Endpoints at (0,0) and (20,0)

So we have x coordinates of 0 and 20. Their mean is:

So we can find both counting by hand, or dividing 20 by 2.

7/2

(decimal: 3.5)

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step-by-step explanation: