If the mean of 4, X, 6, 9, y and 13 is 8, then find x, y.
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Answer:
follow on i n s t a g r a m = niral161
Step-by-step explanation:
sum=4+x+6+9+y
=19+x+y
no.=5
mean=sum/no. = (19+x+y)/5
A\Q
mean=8(given in question)
=》(19+x+y)/5=8
=》(19+x+y)=8×5
=》19+x+y=40
=》x+y=40-19
=》x+y=21
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