If the mean of 12 , x , 5 , 7 and 13 is 9 . Find the value of x .
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5
Question:
If the mean of 12 , x , 5 , 7 and 13 is 9 . Find the value of x.
Answer:
x = 8
Step by step explanation:
The mean of 12 , x , 5 , 7 and 13 = 9
=> 12 + x + 5 + 7 + 13 / 5 = 9
=> 37 + x / 5 = 9
=>37 + x = 9 × 5
=> 37 + x = 45
=> x = 45 - 37
=> x = 8
ur answer is 8.
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Answer:
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