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If A(3,4), B(7, 9) and C(x, 2) are the v...

If A(3,4), B(7, 9) and C(x, 2) are the vertices of `DeltaABC` whose centroid is G(4, y), then the value of x and y, respectively are:

A

2,5

B

`-6, 15`

C

`-2, 7.5`

D

`(14)/(3), (15)/(2)`

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