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 does Newton's second law of motion say

If the area of the brain known as the _____ were severed, then the two sides of the brain would not be able to communicate with each other.

How do you write each decimal as a fraction or a mixed number

which influences both chemical weathering and mechanical weathering? iron plants tectonic plates wind

please help asap!!!

Chemical mechanisms that can turn off or reduce an enzyme are _____.

Help 4. What is one of the tang dynasty. 1 the completion of the grand canal 2 the building of the Taj Mahal and other great structures 3 The granting of mor

A primary care physician is BEST described as a medical professional who __________.

Fish, trees, and animals are important wildlife resources that we depend on for survival. Fish are a main source of food for many of the people in the world. Tr

If f(x) = x2 – 1 and g(x) = 2x – 3, what is the domain