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mlyons574
13.04.2021 •
Mathematics
hours x 2 ,5, 7 Charge, y ($) 20, 50 ,70 Write an equation that expresses y in terms of x. please answer as soon as possible this is due today and I don't understand this question
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Ответ:
Given:
The equation is:
To find:
The solution of the given equation by completing the square.
Solution:
We have,
We need to add the square of half of the coefficient of x on both sides.
Adding
on both sides, we get
Taking square root on both sides, we get
Therefore, the solutions of the given equation are
and
.