Surejordan Surejordan

25-05-2021
Mathematics

contestada

Question 2 (1 point)
If y varies directly as x and y = 3 when x = 12, what is the value of y when x = 18?

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youarefine001 youarefine001

25-05-2021

Answer:

18/4

Step-by-step explanation:

If y varies directly as x then the equation is y = kx

If y =3 when x = 12 then the equation is 3 = 12k => k = 3/12=> k = 1/4

The value of y when x = 18 is,

y = k *&x

= (1/4) * 18

= 18/4

then the equation is y = 18/4

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