geye geye
  • 19-02-2021
  • Mathematics
contestada

Find the value of x 8.5,9,7.5,6,7,x ;the mean is 8

Respuesta :

ahmedessam2310200317
ahmedessam2310200317 ahmedessam2310200317
  • 20-02-2021

Answer:

x= 10

Step-by-step explanation:

Mean is the sum of all values divided their number

(8.5+ 9 + 7.5 + 6 + 7 +x) /  6 = 8

(8.5+ 9 + 7.5 + 6 + 7 +x) = 8*6 = 48

(8.5+ 9 + 7.5 + 6 + 7 +x) =48

(38 +x) = 48

x= 48-38 = 10

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