karenlalt karenlalt

18-10-2021
Mathematics

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Suppose y varies directly with x, and y=8 when x=-2. Find x when y=24

Respuesta :

Veritas78 Veritas78

18-10-2021

y=kx

8=-2k

Divide both sides by -2

k=-4

To find x when y=24

y=kx

24=(-4)x

Divide both sides by -4

:x=-6

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