subject
Mathematics, 30.03.2021 03:30 marlesly87

Is ( 2 , -1 ) a solution for the following system of equations?
2x-y=3
-x+y=4
Yes or No

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
With #! i’ve tried to figure it out but i can’t.
Answers: 2
question
Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
question
Mathematics, 21.06.2019 18:30
Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation
Answers: 1
question
Mathematics, 21.06.2019 19:00
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 3
You know the right answer?
Is ( 2 , -1 ) a solution for the following system of equations?
2x-y=3
-x+y=4
Yes...
Questions
question
History, 25.12.2021 01:00