What is the value of x if the average of 10, 11, 12 and x is 9?
1 answer:
Answer: The value of x is 3.
Step-by-step explanation:
Since we have given that
10,11, 12 and x
Average of above numbers = 9
As we know that
Average is given by

Hence, the value of x is 3.
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The answer i thinkkk would be,
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Step-by-step explanation: