if the mean of 6, 7, X, 8, y ,14 is 9
then x +y = ......
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16
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hope it helps you mate!
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Answer:
10
Step-by-step explanation:
(6+7+8+14+9+x+y)/6=9
6+7+8+14+9+x+y=54
44+x+y=54
x+y=54-44
x+y=10
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