Question

Find x, if 9, x, 14, 18, x, x, 8, 10 and 4 have
boys to
a mean of 11.​

Answer 1

Answer:

Given 9,x,14,18,x,x,8,10 and 4 have a mean of 11.

Now,

9

9+x+14+18+x+x+8+10+4

=11 [ As there are 9 terms]

or,

9

63+3x

=11

or, 3x=99−63

or, 3x=36

or, x=12.

Step-by-step explanation:

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Answer 2

Answer:

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