princessbreanna0
29.10.2020 •
Mathematics
Y varies inversely as x . If x = 4 then y = 9. Find y when x = 3.
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Ответ:
12
Step-by-step explanation:
Given, x and y are inversely proportional.
So, the equation is xy=k, where k is the constant of proportionality
x=4, y=9. plug in the values to find k.
k=4*9 = 36
When x=3, y = k/x =36/3 = 12
y=12, when x=3
Ответ: