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

2. What fuel did Old Boone use to cook his buffalo?
The first three terms of a sequence are given. Round to the nearest thousandth (if necessary). 75, 90, 108, ... Find the 7th term.
What is the most common amount of hours students spent studying? (2 points) A line plot with the title, time students spent studying, and the line is measured i
Reuben would like to buy a car that costs $25,000 today when he graduates from college in 5 years. If the rate of inflation is expected to be 3% per year over t
Determine the scale factor for each reduction. a) Quadrilateral B is a reduction of quadrilateral A. b) Quadrilateral C is a reduction of quadrilateral A. c) Qu
Help me please Help me please Help me please
7-7 skills practice geometric sequences as exponential functions
Help literally fast at possibly
Im confused, how will i do 8d and 9c
What is the difference between compost and humus? Humus does not break down the elements as well as compost does. Compost occurs in nature unaided by humans.