tranphuongyenkhue tranphuongyenkhue

22-08-2021
Mathematics

contestada

If y is directly proportional to x and y = 20 when
x = 5,
(i) find an equation connecting x and y,

Respuesta :

jcherry99 jcherry99

22-08-2021

Answer:

Step-by-step explanation:

y = kx

y = 20

x = 4

20 = k*4 Divide by 4

20/4 = k

k = 5

The equation is y = 5x

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