JonathanKnight JonathanKnight

13-05-2019
Mathematics

contestada

What is the value of y in the equation 6.4x +2.8=44.4 , when x=3 ?

y=

Respuesta :

Kbirdwell1995 Kbirdwell1995

16-05-2019

Answer:

y=3.15

Step-by-step explanation:

I am assuming you meant 2.8y in your equation.

Plug in for x

6.4(3)+2.8y=44.4

6.4*3=19.2

So now 19.2 + 2.8y = 44.4

44.4-19.2=25.2

25.2/2.8=3.15

Meaning Y=3.15

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