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breahnareedy
15.10.2020 •
Mathematics
Find the variation constant and an equation of variation for the given situation. y varies directly as x, and y = 7 when x = 1/2.
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Ответ:
Step-by-step explanation:
Directly Proportion
It's said that y varies directly proportional as x, if:
Where k is a constant of proportionality.
We know that y=7 when x=1/2.
Using the above condition, we can find the value of k:
Solving for k:
k=14
Thus, the equation is:
Ответ: