2022mduffy 2022mduffy

18-11-2021
Mathematics

contestada

If y varies directly with x and y=12 when x=3, find y when x=1.

Respuesta :

nishatrahman2004 nishatrahman2004

18-11-2021

Answer:

y = 4

Step-by-step explanation:

y ∝ x

y = kx (k is constant)

when y = 12 and x = 3

y = kx

=> 12 = k*3

∴ k = 4

when x = 1 and k = 4

y = kx

= 4*1

= 4

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