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The heights of three Carpentry and Joinery students of a Technical Institute are 1.50m, xm and 1.45m. If the arithmetic mean height of the three students is 1.60m. calculate the value of x.
Mathematics
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2 stepsHere's the solution for question 1(a):
Recall the formula for the arithmetic mean and substitute the given values.
The arithmetic mean is the sum of all values divided by the number of values.
Given heights are , , and .
The number of students is 3.
The mean height is .Solve the equation for .
First, multiply both sides by 3:
Now, isolate by subtracting 2.95 from both sides:
The value of is .
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