toltecavsmaya toltecavsmaya

01-04-2015
Mathematics

contestada

If (−3.5, y) is a solution to the equation 2x − 5y = 10, what is the value of y?

a) -3.4
b) 13.75
c) -0.6
d) -3.75

Respuesta :

Panoyin Panoyin

02-04-2015

2x - 5y = 10
2(-3.5) - 5y = 10
-7 - 5y = 10
+7 +7
     -5y = 17
      -5    -5
      y = -3.4
The value of y is equal to A. -3.4.

Answer Link

Otras preguntas

What is an incentive

What to do in 49 days after death?

What did Jim sell to get the combs in the Gift of Magi?

There are 5 Christmas trees in the town square. Four of the trees have 155 ornaments on them. The 5th tree is the largest and has 285 ornaments. How many orname

how do you graph y=x-2?

What are bolivia's natural resources? silver and salt copper and gas natural gas, iron and magnesium leather and gas answer is c

4. Which of the following statements about sentences is true? A. There are only two sentence patterns you can use to ask a question. B. The English language gen

What is the meaning of mood in a poem?

What do the animals do after the humans have been chased from the farm?

What does the government of the ussr believe it is necessary to state to the government of the us? that a ussr aircraft violated neutral airspace by flying 2,00