emmie10 emmie10

31-03-2017
Mathematics

contestada

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

Respuesta :

kmanwil kmanwil

04-04-2017

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

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