toltecavsmaya
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 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

How was society organized in the Middle Ages?
How many hawksbill turtles are left in the world?
How do u answer 3(x+2)=x-18
A circle has an area of 16 pie square meters.  What is the circumference of the circle?  Please show how to solve.  Thank you
Which decimal is equal to 7/10?A. 0.71B. 0.7C. 0.07D. 0.071
Your uncle is planting an 8-foot tall tree. He ties support wires to the tree, 1 foot from the top, and ties them to posts on the ground, 4 feet from the trunk
how do you say I want a bowl of soup in spanish
What is significant about Gatsby keeping watch over Daisy at the end of the chapter? In the Great Gatsby
How do u do this ??? Alistair buys an antique chair for £600. It is expected to increase in value at the rate of 4.5% each year. How much is it expected to be w
Two ships leave whittier, Ak at 7 AM. The first ship sails towards Valdez on a 54° course at a constant rate of 36 mi/h. The second ship sails towards Knight is