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robbiegfarmer
03.05.2020 •
Mathematics
Hi what is the answer
Solved
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Ответ:
y = 5x
y = 60 when x =12
Step-by-step explanation:
Directly proportional means
y = kx where k is the constant of proportionality
We know y and k so we can find k
30 = k*6
Divide each side by 6
30/6 = 6k/6
5 =k
The equation is
y = 5x
We can find y when x=12
y = 5*12
y = 60
Ответ:
15
Step-by-step explanation: