Math, asked by toantinhlau6370, 9 months ago

If the mean of 6 4 7 a and 10 is 8 find the value of a

Answers

Answered by kuldeepmaurya70

2

Step-by-step explanation:

$6 + 4 + 7 a + 10 = 8 \\ 7a = 8 - 2 0 \\ 7a = - 12 \\ a = - 12 \div 7$

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