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3 years ago

Ge

Mathematics

1 answer:

yulyashka [42]3 years ago

7 0

(4, -2)

Step-by-step explanation:

For a reflection across the y-axis, you need to change the sign of the x to the opposite of what it was.

(x, y) to (-x, y)

If C has the coordinates of (-4, -2), to figure out the coordinates of C' after a reflection of the y-axis, we will change the sign of the x.

C' would be located at the coordinates (4, -2).

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What ordered pair is a solution of the equation 2x-y=9

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I added the plots in the attachments.

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The mean will decrease

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1- checking the mean:

Mean of the salaries is calculated as follows:

$Mean = \frac{sum-of-salaries}{number-of-employees}$

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We are given that a person earning $15 left and the new person earns $7. This means that:

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