stevibrewster25 stevibrewster25

21-05-2020
Mathematics

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The Varials x and Y are directly proportional and Y=4 when x=9 . What is the value of Y when x=18

Respuesta :

21-05-2020

Answer:

Y= 8.

Step-by-step explanation:

If they are directly proportional, we can set up two fractions like this:

[tex]\frac{4}{9}= \frac{Y}{18}[/tex]

We can solve for Y by multiplying both sides by 18, giving us:

Y= 8.

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