naelle1 naelle1
  • 03-03-2021
  • Mathematics
contestada

How many solutions does this system
have?
x + 2y = 10
2x + 8y
8y = 16
A. None
B. One
C. Infinite

How many solutions does this system have x 2y 10 2x 8y 8y 16 A None B One C Infinite class=

Respuesta :

mariyahhicks
mariyahhicks mariyahhicks
  • 03-03-2021

Answer:

B. One

Step-by-step explanation:

Answer Link
maheeniqbal
maheeniqbal maheeniqbal
  • 03-03-2021
x+2y=10
2x+8y=16

x=-2y+10

2x+8y=16
2(-2y+10)+8y=16
-4y+20+8y=16
4y=-4
y=-1

x=-2y+10
x=-2(-1)+10
x=2+10
x=12

This means that there can be only one solution (12,-1).
Answer Link

Otras preguntas

Why is it a better to wear a white shirt on a hot summer day instead of a black shirt?
The survival of the fittest is an idea promoted by A. Charles Darwin. B. Carl Jung. C. Karl Marx. D. Friedrich Nietzsche.
Calculate the speed for a car that went a distance of 125 kilometers in 2 hours time.
how who u solve 5+2(x-3)
Write an expression you could use to convert 2.5 gallons into quarts
Jill and Ben have the same pens Jill has 3 full boxes of pen and 2 loose pens Ben has 2 full boxes of pen and 14 loose pens how many pens are there in a full bo
how do we keep Lincoln`s promise to our Veterans and their family`s
Which of the following is a way that minerals are used? a. industry. b. construction. c. technology. d. all of the above.
Which of these is not a part of the ‘Johari window’? a) Hidden self b) Blind self c) Open self d) Ideal self
What was the name of the small group of Jews that was especially opposed to Hellenism and Roman rule? A. Zealots B. Martyrs C. Gentiles D. Pharisee