diorlaurenn1 diorlaurenn1

04-11-2020
Mathematics

contestada

If the value of y value directly with x, which function represents the relationship between x and y when x=3 and y=21?

Respuesta :

moiselupescu moiselupescu

04-11-2020

Answer:

y

=

2

9

x

Explanation:

If

y

varies directly with

x

then

XXX

y

=

k

⋅

x

for some constant

k

Given

x

=

30

→

y

=

20

3

implies

XXX

20

3

=

k

⋅

30

XXX

→

k

=

20

3

30

=

20

90

=

2

9

Step-by-step explanation:

Answer Link

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