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soldier1979 [14.2K]
3 years ago
11

Find x if 5, 9, 11, 12, 13, 14, 17 and x have a mean of 12.

Mathematics
1 answer:
andreev551 [17]3 years ago
7 0

Answer: 15

Step-by-step explanation: 5+9+11+12+13+14+17=81

Make an equation based on this and solve for the variable (x)

81+x/8=12

12*8=96

81+x=96

96-81=15

x=15

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