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

5x70= 5 x_____tens = ______tens =______? Use place value to find the product.

What is the greatest possible whole number remainder if you divide any number by 23?

what is the first step in estimating 56X27?(4.not.5)

Which statement is not true about the Indus Valley civilization? A. They built a granary to hold surplus wheat and barley. B. They made tools, pots, pans, and t

Cell division is preceded by two growth phases. Besides growth, both G1 and G2 a. contain checkpoints that determine if the cycle will continue. b. help move ch

Choose the type of analogy used in this sentence: Water is to moisten as spade is to dig

The scale of a map is 1 in : 500 miles. City A is 650 miles from city C. How far is its distance on the map

what does a tardigrade, a brine shrimp and a resurrection fern have in common?

Create an analogy of the Respiratory System to compare it with a non-living system.

Multiply with regrouping 73x28