05-10-2020
Mathematics

contestada

Suppose y varies directly as x, and y = 21 when x = 3. Find x when y = 42.

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netizenwebb netizenwebb

05-10-2020

Answer:

x = 24

Step-by-step explanation:

y₂ - y₁

42 - 21 = 21

x + 21

3 + 21 = 24

So when y increases by 21, so does x.

x = 24

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