Respuesta :

aasiyahi

Answer:

C.9/2

Step-by-step explanation:

equation for inverse proportion y= k/x

y=9/x

⇒constant of proportionality  =k=9

carlosego

Answer: C) 9/2

Step-by-step explanation:

Yoy have the following direct proportion:

[tex]x=ky[/tex], where:

k is the constant of proportionality.

When you solve for y, you obtain:

[tex]y=x/k[/tex]

The problem gives you the porportion x/y=2/9

Therefore when you solve for y you obtain:

 [tex]y=x*9/2[/tex]

Then:

 [tex]k=9/2[/tex]  

OPTION C