khyladiamond
khyladiamond khyladiamond
  • 16-07-2018
  • Mathematics
contestada

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

Respuesta :

rupanagudiv rupanagudiv
  • 16-07-2018

ANSWER: y=9

First substitute x

6.4(3)+2.8y=44.4

19.2+2.8y=44.4

subtract 19.2 from both sides

2.8y=25.2

divide by 2.8 on both sides

y=9

Answer Link

Otras preguntas

IF YOUR GOOD AT SPANISH THEN PLEASE ANSWER THIS ASAP I WILL MARK YOU THE BRAINLIEST !!!
write a paragraph explain two steps president hoover took to address the depression and why you think he failed?
HI P.L.Z HELP A.S.A.P!!! Question in screenshot
Who doesn't have school today Imagine
WILL GIVE BRAINLIEST IF UR RIGHT!! Who uses Rhetoric? Students Professional speakers Everyone, everywhere, every time they communicate Teachers
what is 2.25 as a whole number?
5. What is your opinion regarding the development of meat alternatives where “taste” seems to be the most important factor, as opposed to healthfulness?
Given (x – 7)2 = 36, select the values of x. x = 13 x = 1 x = –29 x = 42
Rewrite the expression by collecting like terms. 11x + 3a + 7 - 5b - 40 - 2x + 6
What is Chemical bounding