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Verified Answer :

kelpel197

Well, to get this, you would have to multiply 7.8 by 2 or add 7.8 to 7.8, the reason you would have to do this is because the midpoint is 1/2 of the line. So 7.8+7.8=15.6.
15.6 (D) is your answer.
Hope this helped!

Answer:  The correct option is (D) 15.6.

Step-by-step explanation: As shown in the attached figure below, W is the mid-point of the line segment VX and WX = 7.8 units.

We are to find the length of the line segment VX.

Since W is the mid-point of line segment VX, so we must have

\(VW=WX.\)

Since WX = 7.8 units, so  VW = 7.8 units.

Therefore, we get

\(VX=VW+WX=7.8+7.8=15.6~\textup{units}.\)

Thus, the length of th eline segment VX is 15.6 units.

Option (D) is CORRECT.

View image ColinJacobus

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