anitazavyalova
anitazavyalova anitazavyalova
  • 28-05-2021
  • Mathematics
contestada

BRAINLIEST AND 50 POINTS!


If y varies inversely with x, and y=3 when x=16, find y when x=4

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 28-05-2021

Answer:

When x =4 y=12

Step-by-step explanation:

Inverse variation is

xy = k  where k is a constant

y =3 and x = 16

3*16 = k

48 = k

The equation is

xy = 48

Now let x = 4

4y = 48

Divide each side by 4

4y/4 = 48/4

y = 12

When x =4 y=12

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