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Virty [35]
3 years ago
9

Find the side of a square whose diagonal is of the given measure. Given = 8 miles

Mathematics
1 answer:
Rzqust [24]3 years ago
7 0
A square has 4 sides each of X miles. Its diagonal is X times Square Root of 2.
If the diagonal is 8 miles then 8 = xSqrt(2)
x = 8/Sqrt(2)
Rationalize the Denominator, i.e. multiply by Sqrt(2)/Sqrt(2)
X = 8Sqrt(2)/2
X = 4Sqrt(2)
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r=\frac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n\sum x^2 -(\sum x)^2][n\sum y^2 -(\sum y)^2]}}  

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Th excel figure attached shows the calculations for each sum.

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