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

which is the cause of mechanical weathering

How to write 100, 203 in two other forms

A week before giving the speech, "We Shall Fight on the Beaches", what news did Churchill think he would be sharing with Great Britain?

If AD=12 and AC=4y-36 find the value of y. Then find AC and DC

Before departing for what would become the Plymouth colony the Scrooby separatists first lived for a time in?

Show your work 0.2 divided by 0.1

How did early European voyages of discovery open up new trade routes to the world?

Which of the following were the main proponents of NAFTA? A. Environmentalists B. Human rights groups C. Labor unions D. Large corporations

John said that he saw a very lively Broadway show in New York last year. Which word is the adverb?

How did the Revolution affect the way American women thought about their status, and what changes resulted from this new awareness?