finnthehuman21094
finnthehuman21094 finnthehuman21094
  • 04-04-2020
  • Mathematics
contestada

y varies directly as x and y=0.5 when x=2. What is y when x=10?

Respuesta :

leticiabirdine
leticiabirdine leticiabirdine
  • 04-04-2020

y=0.25x

Step-by-step explanation:

the initial statement is

y

∝

x

to convert to an equation multiply by k the constant of

variation

⇒

y

=

k

x

to find k use the given condition

y

=

0.5

when

x

=

2

y

=

k

x

⇒

k

=

y

x

=

0.5

2

=

0.25

Answer Link
noneofyou noneofyou
  • 04-04-2020

Answer:

y=2.5

Step-by-step explanation:

Proportion

(2/.5)=(10/y)

Answer Link

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