joannavalladares752 joannavalladares752

17-04-2021
Mathematics

contestada

If the value of "y" varies directly with "ex"
and y = -8 when x = 20, find "y" if x = -4.
Enter the number that belongs in the green box.
Reduce to simplest form.
y = 2

If the value of y varies directly with ex and y 8 when x 20 find y if x 4 Enter the number that belongs in the green box Reduce to simplest form y 2 class=

Respuesta :

tankisfun97 tankisfun97

17-04-2021

Answer:

8/5

Step-by-step explanation:

We can use a proportion to solve this question, if we put the values of x on the left of the equal and the value of y on the right we have

20 : -4 = -8 : y

y = (-4*-8)/20

= 32/20

= 8/5

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