Mia1122 Mia1122

10-06-2021
Mathematics

contestada

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

Respuesta :

10-06-2021

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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