2 years ago

The variable x and y vary directly. Write an equation that relates x and y. Then find y when x = 12.

Mathematics

1 answer:

EastWind [94]2 years ago

5 0

Answer:

Step-by-step explanation:

$y=kx$

at (4, 8): 8 = 4k ⇒ k = 2

So $y=2x$

when $x=12$ , $y=2 \times 12=24$

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