3 years ago

Suppose y varies inversely with x, and y = 6 when x = 3. Find x when y = 12.

Mathematics

1 answer:

slava [35]3 years ago

3 0

Answer:

1.5

Step-by-step explanation:

$y \: \alpha \: \frac{1}{x}$

y = k ÷ x

yx = k

y = 6 , x = 3

6 • 3 = k

18 = k

when y = 12 , x = ?

yx = k

12x = 18

x = 18÷12

x = 3/2

x = 1.5

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