subject
Mathematics, 04.10.2020 03:01 lcar61

Show and explain how replacing one equation by the sum of that equation and a multiple of the other produces a system with the same solutions as the one shown. 8x + 7y = 39

4x – 14y = –68

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
Marie drew the triangle shown. she wants to draw a second triangle that is different from this one. use the drop-down menus below to complete the statements about the second triangle.
Answers: 1
question
Mathematics, 21.06.2019 14:00
△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .
Answers: 1
question
Mathematics, 21.06.2019 19:30
Nikolas calculated the volume of the prism. his work is shown below.
Answers: 1
question
Mathematics, 21.06.2019 19:30
Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28
Answers: 2
You know the right answer?
Show and explain how replacing one equation by the sum of that equation and a multiple of the other...
Questions
question
Mathematics, 25.12.2019 01:31
Questions on the website: 13722367