Which statement is true about the difference 2 square root of 7 − square root of 28?

Mathematics

2 answers:

DedPeter [7]3 years ago

7 0

Answer:

Step-by-step explanation:

2 square root of 7 − square root of 28

= 2√7 - √28

= 2√7 - 2√7

= 0

3241004551 [841]3 years ago

4 0

<span> 2 square root of 7 − square root of 28
= 2</span>√7 - √28
= 2√7 - 2√7
= 0

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Where N is the number of values (N=8). We need to find the sum of X values, the sum of Y values, the average of X, the average of Y, the sum of X*Y and the sum of X^2.

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By replacing the known values in the formula we obtain:

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Now, the average of X and Y is the sum divided by N, then: