If the centroid of a triangle formed by the points (7, x), (y, -6) and (9,10) is at (6,3) then (x,y)=
(a) (4,5) (b) (5,4) (c) (-5, -2) (d) (5,2)
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Step-by-step explanation:
- 4 multiply by 5
- 5 multiply by 4-5 multiply by -2
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