Number 6911

On the number axis, point P is the image of the number -2.54, and point Q is the image of the number 10.71. Find which number is the point R such that Q is the center of the line PR.

Correct answer:

R =  23.96

Step-by-step explanation:

P=2.54 Q=10.71  Q = (P+R)/2 2Q = P+R  R=2 QP=2 10.71(2.54)=25599=232524=23.96  Q2=(P+R)/2=((2.54)+23.96)/2=1001071=1010071=10.71 Q2=Q

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