Find the value of x. Mean is 0; 11.5, 12.5, - 10, - 7.5, x

Question

Mathematics

Gustavo Stevens

19 October, 12:53

Find the value of x. Mean is 0; 11.5, 12.5, - 10, - 7.5, x

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Rapunzel · Answer 1

X = - 6.5 because you make the equation; 0 = (11.5 + 12.5 + - 10 + - 7.5 + x) / 5 and then you add up the top and get 0 = (6.5 + x) / 5 then multiply by 5 and you get 0 = 6.5 + x then you subtract 6.5 and you get x = 6.5