jazzlynminniefield04 jazzlynminniefield04
  • 01-12-2020
  • Mathematics
contestada

11)
If y varies directly as and y= 10 when x = 2, then what is the value of y when x = 4?
A)
2.5
B)
20
C)
40
D)
80

Respuesta :

emoly656 emoly656
  • 01-12-2020
B.) 20
If x goes from 2 to 4 it was multiplied by 2. you would do the same to the y. 10*2=20
Answer Link
s1m1
s1m1 s1m1
  • 01-12-2020

Answer:

B)20

Step-by-step explanation:

y=10 when x=2 and varies directly so y=5*x

when x=4 then y=5*x=5*4=20

Answer Link

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