leshamehrnaz leshamehrnaz
  • 20-10-2020
  • Mathematics
contestada

given the value of mean of 4,7,x,9,8 is 6. Calculate x.

Respuesta :

tasni109
tasni109 tasni109
  • 20-10-2020

Answer:

2

Step-by-step explanation:

mean=6

number of terms=5

mean =sum of the terms/number of terms

6 = 4+7+x+9+8/5

by cross multiplying,

4+7+x+9+8 = 6 × 5

x+28=30

x=30-28

x=2

hope this helps you!

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