gonzmari457
08.06.2021 •
Mathematics
Given that y varies directly as x when y = 2 and x = -12, find x when y = 5.
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Ответ:
x = -30
Step-by-step explanation:
Use the direct variation equation, y = kx
Plug in 2 as y and -12 as x, and solve for k:
y = kx
2 = k(-12)
-1/6 = k
So, the equation is y = -1/6x
Plug in 5 as y and solve for x:
y = -1/6x
5 = -1/6x
-30 = x
So, when y = 5, x = -30
Ответ: