melissa9920 melissa9920
  • 17-09-2021
  • Mathematics
contestada

If y varies directly with X and Y equals 21 when X equals 3 find Y if x =5

Respuesta :

lynnkc2000 lynnkc2000
  • 17-09-2021

Answer:

35

Step-by-step explanation:

y = k*x

21 = k*3

k = 7

x=5  .. y = 7 * 5 = 35

Answer Link
Kaytlynnwalsworth1 Kaytlynnwalsworth1
  • 17-09-2021

Answer: X = 5 and Y = 35

Step-by-step explanation:

Y is 21 when x is 3. Divide both x and y by 3 giving you y=7 and x=1. Then multiply both sides by 5 giving you x=5 and y=35

Answer Link

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