Question

the mean of 2x, x – 1, 2x + 1, 2x – 1 and x + 1 is 24 then x = _____________( x > 0)

2 points


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Answer 1

Step-by-step explanation:

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Mean=2x,x-1,2x+1,2x-1,x+1=24

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$mean = \frac{x1 + x2 + x3..........xn}{n}$

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mean=2x+x-1+2x+1+2x-1+x+1/5

24=3x-1+4x+x+1/5

24=7x+x/5

24=8x/5

3=x/5

x=15

$\ \implies$ Mean(x`) =15