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12-04-2019
Mathematics

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Write and Y varies directly as x. y 20 when x graph the direct variation function.

Write and Y varies directly as x y 20 when x graph the direct variation function class=

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chikafujiwara chikafujiwara

12-04-2019

Answer:

y = 5x

Step-by-step explanation:

20 = 5(4)

20 = 20

Since they directly vary, this is a linear equation, and the slope is 5.

y = mx + b

y = 5x + b

20 = 20 + b

b = 0

So the equation is

y = 5x

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