Thecat123 Thecat123

25-05-2020
Mathematics

contestada

2x-4y=8
x+2y=4
How many solutions (x, y) are there to the system of equations above? explain

Respuesta :

lucasella lucasella

25-05-2020

Answer:

Exactly one solution.

Step-by-step explanation:

2x-4y=8

x+2y=4 /*2

2x-4y=8

2x+4y=8 (+)

4x=16

x=4

4+2y=4

y=0

(x;y)={(4; 0)}

Exactly one solution.

Answer Link

Otras preguntas

A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same

The type of experience necessary to produce changes in a skill is called _______ and the relatively permanent changes are called ___________. An example would b

6th term of geometric sequence 3584,896,224

A smaller business with variable cash flow is looking to establish a pension plan for its 50 employees. It wants a plan that allows it to contribute the largest

In the video, the students discuss how the title might connect to a central theme of the story. What do you think is a central theme of this story, and how does

ASL on the topic present education system in India It's a 1 minute speech

The Enron debacle created what one public official reported was a "crisis of confidence" on the part of the public in the accounting profession. List the partie

how to solve (-2/5x)(2/6y)=

Assuming that other factors are equal, how are the immigration and emigration rates related in a stable population? A. The immigration rate and the emigration r

In the redox reaction below, which is the reducing agent? Cl- Cl2 Mn2+ MnO2