KikiMcGarden KikiMcGarden

11-07-2020
Mathematics

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y is directionally proportional to x
When y = 21, x = 5
Write an equation for y in terms of x

Respuesta :

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11-07-2020

Answer:

y = 21/5x

Step-by-step explanation:

y is directly proportional to x

y = kx

Find k constant.

21 = 5k

21/5 = k

Plug k as 21/5.

y = 21/5x

Answer Link

Аноним Аноним

11-07-2020

Answer:

y=21/5x

Step-by-step explanation:

When y is 21, x is 5.

5(21/5)=21, so we have y=21/5x

Answer Link

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