subject
Mathematics, 21.11.2019 01:31 taehyungg

Carlos solved the system of equations below. what mistake did he make in his work? (5 points)
2x + y = 5
x − 2y = 10
y = 5 − 2x
x − 2(5 − 2x) = 10
x + 10 + 4x = 10
5x + 10 = 10
5x = 0
x = 0
2(0) + y = 5
y = 5

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers
Answers: 2
question
Mathematics, 21.06.2019 18:50
The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year
Answers: 3
question
Mathematics, 21.06.2019 19:10
At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?
Answers: 1
question
Mathematics, 21.06.2019 20:30
2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.
Answers: 1
You know the right answer?
Carlos solved the system of equations below. what mistake did he make in his work? (5 points)
...
Questions
question
Mathematics, 18.01.2021 01:10
question
Geography, 18.01.2021 01:20
question
Mathematics, 18.01.2021 01:20
question
Mathematics, 18.01.2021 01:20
question
English, 18.01.2021 01:20
Questions on the website: 13722362