karina3377 karina3377
  • 08-09-2021
  • Mathematics
contestada





If y is directly proportional to x and given y = 9 when x = 5, find y when x = 15

Respuesta :

wgchen3
wgchen3 wgchen3
  • 13-09-2021

Answer:

27

Step-by-step explanation:

y=kx

9=k*5, so k=9/5

when x=15

y=(9/5)*15=27

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