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

Question

04-04-2020
Mathematics

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

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CAN SOMEONE HELP ME PLEASE ?

leticiabirdine leticiabirdine · Answer 1 · 2020-04-04T03:43:16+02:00

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 · Answer 2 · 2020-04-04T03:44:03+02:00

noneofyou noneofyou

04-04-2020

Answer:

y=2.5

Step-by-step explanation:

Proportion

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

Answer Link