19-09-2021
Mathematics

contestada

M(6, 7) is the midpoint of RS. The coordinates of 5 are (8,9). What are the coordinates of R?

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Eddie1Wan Eddie1Wan

19-09-2021

Answer:

R=(4,5)

Step-by-step explanation:

M={x1+x2/2,y1+y2/2}

(6,7)={8+x2/2,9+y2/2}

Equating the x coordinates and y coordinates

6=8+x2/2

12=8+x2

x2=12-8=4

7=9+y2/2

14=9+y2

y2=14-9=5

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