Line pb is a line segment on a number line. It has endpoints at 2 and 12. What is the coordinate of its midpoint.
My answer would be the total length pf pb is 14 units so the midpoint would be 7.
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2 answers

the length is correct. But the midpoint is 2+7 = 5.
5 = 2+7 = 127 👍
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if three points a,b and c are collinear and b is between a and c then ab+bc=ac
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