189652
04.02.2020 •
Mathematics
What is the direct variation equation iffy varies directly with x and y = 12 when x= 6
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Ответ:
y = 2x
Step-by-step explanation:
Given that y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 12 when x = 6
k =
= 
= 2, hence
y = 2x ← equation of variation
Ответ:
10
Step-by-step explanation: