subject
Mathematics, 08.07.2021 02:50 TashaKessler3355

A system of equations and its solution are given below. System A
5x-y=-11
3x-2y=-8
solution: (-2,1)

To get system B below, the second equation in system A was replaced by the sum of that equation and the first equation in system A multiplied by -2.

System B
5x-y=-11
?

A.
The second equation in system B is -7x = 14. The solution to system B will not be the same as the solution to system A.
B.
The second equation in system B is -7x = 14. The solution to system B will be the same as the solution to system A.
C.
The second equation in system B is 7x = 30. The solution to system B will be the same as the solution to system A.
D.
The second equation in system B is 7x = 30. The solution to system B will not be the same as the solution to system A.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:20
Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.
Answers: 1
question
Mathematics, 21.06.2019 17:00
You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?
Answers: 1
question
Mathematics, 21.06.2019 18:00
Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?
Answers: 1
question
Mathematics, 21.06.2019 19:10
Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ยฎ only (5,10 ยฎ only (-1,-5) ยฉ both (5, 10) and (-1,-5) 0 neither
Answers: 1
You know the right answer?
A system of equations and its solution are given below. System A
5x-y=-11
3x-2y=-8
Questions
question
World Languages, 08.01.2021 20:00
question
Computers and Technology, 08.01.2021 20:00
question
Mathematics, 08.01.2021 20:00
question
Mathematics, 08.01.2021 20:00
question
Social Studies, 08.01.2021 20:00
question
Mathematics, 08.01.2021 20:00
question
Mathematics, 08.01.2021 20:00
question
Mathematics, 08.01.2021 20:00
Questions on the website: 13722367