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When a number x is added to the set of numbers 5, 7, 8, 12, 6, 10 and 11; the new mean is 9. Calculate the value of x. |
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Answer» Step-by-step explanation: 8 therefore, 9 = 48+x 8 therefore, 72 = 48 + x x= 72- 48 = 24 therefore, the value of x is 24. |
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