Math, asked by sumitdangi, 1 year ago

the mean of X1 and X2 is 8 and the mean of X1 X2 and X3 is 9 find x 3

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Answered by TheRockinCaptain

3

I hope this will help u
:)

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sumitdangi: thanks

Answered by ni3phoenix

20

Answer:

answer is x3=11

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