radhie22 radhie22

16-05-2021
Mathematics

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The mean of five numbers 3, 7, 9, 12, and x is 8. Find the value of x.

Respuesta :

16-05-2021

Answer:

8

Step-by-step explanation:

U literally said x is 8

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Аноним Аноним

16-05-2021

Answer:

[tex]8 = \frac{(3 + 7 + 9 + 12 + x)}{5} \\ 8 \times 5 = 31 + x \\ 40 = 31 + x \\ x = 9[/tex]

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