Mathematics, 25.11.2021 08:20 sindy35111
3. Given a system of two equations in two variables, replacing one equation by the sum of that equation and a multiple of the other produces a system with the same solution. Show why this is true by solving the system of equations given. Justify the reason for each step. HINT: Use addition property of equality and multiplication property of equality in your answers. (8 points: 1 point for each question)
5x + 2y = 7
3x – y = 2
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 17:30
What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?
Answers: 2
Mathematics, 21.06.2019 18:00
!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?
Answers: 1
Mathematics, 21.06.2019 23:00
John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?
Answers: 1
You know the right answer?
3. Given a system of two equations in two variables, replacing one equation by the sum of that equat...
Questions
Mathematics, 15.12.2019 00:31
English, 15.12.2019 00:31
Mathematics, 15.12.2019 00:31
Physics, 15.12.2019 00:31
Business, 15.12.2019 00:31
History, 15.12.2019 00:31
History, 15.12.2019 00:31
History, 15.12.2019 00:31
English, 15.12.2019 00:31
Biology, 15.12.2019 00:31
Mathematics, 15.12.2019 00:31
Biology, 15.12.2019 00:31
