subject
Mathematics, 03.12.2020 07:40 camperangie3364

Solve the system of equation by elimination. x+2y= -7
-x-2y=8

A. (8,7)
B. No solution
C. (-7,8)
D. (-8,7)

If you can, please explain step by step:)

ansver
Answers: 2
Show answers

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
Which expression is equivalent to? assume x > 0 and y > 0.
Answers: 1
Answer
question
Mathematics, 21.06.2019 18:00
Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?
Answers: 1
Answer
question
Mathematics, 21.06.2019 18:40
The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?
Answers: 2
Answer
question
Mathematics, 21.06.2019 19:00
Is this a polynomial function? i need to know asap
Answers: 2
Answer
You know the right answer?
Solve the system of equation by elimination. x+2y= -7
-x-2y=8

A. (8,7)
B. N...
Questions
question
Geography, 14.07.2019 04:00
The feature of earth's movement that takes about 26,000 years is called...
question
Mathematics, 14.07.2019 04:00
What is the maximum number of possible extreme values for the function, f(x)=x^4+x^e-7x^2-x+6 ? a.5 b.3 c.2 d.4...
question
Mathematics, 14.07.2019 04:00
The december 31 checkbook balance of the advance co. was $5,691.99. the ending bank statement balance was $4,890.18. checks in the amount of $691.50 w...
question
English, 14.07.2019 04:00
Analyze how literary elements are developed to create suspense in gothic horror stories. ...
question
English, 14.07.2019 04:00
Which of the following choices is not a use for project plans in school? a. science fair projects b. nightly homework c. history research papers d. s...
question
Mathematics, 14.07.2019 04:00
6160÷540 i need a whole number with a remainder....
question
Mathematics, 14.07.2019 04:00
Plot the given point in a rectangular coordinate system(3,0)...
question
Mathematics, 14.07.2019 04:00
Solve: 1/8-6x(less than or equal to) 4/9(9+27x)...
question
Mathematics, 14.07.2019 04:00
One-third of sharon's land has farm animals. one-fifth of the farm animals are chickens. which model shows what fraction of sharon's land has chickens...
question
History, 14.07.2019 04:00
What are the two most commonly notations to denote the dates of histroucal events?...
question
Mathematics, 14.07.2019 04:00
Ralph bought and 8foot long copper pipe he used 85 investors of the copper pipe how many inches of pipe were left over...
question
English, 14.07.2019 04:00
In eudora welty's short story, "a worn path," the resolution of the plot contains...
question
Geography, 14.07.2019 04:00
Or what reason was pluto demoted from full planetary status in 2006? because pluto resides outside of the zone that can truly be described as the sol...
question
Health, 14.07.2019 04:00
Aneonate born by cesarean at 42 weeks' gestation, weighing 4.1 kg (9 lb), with apgar scores of 8 at 1 minute and 9 at 5 minutes after birth, develops...
question
Health, 14.07.2019 04:00
How does material move from the respiratory system to the circulatory system? apex?...
question
Mathematics, 14.07.2019 04:00
Plot the given point in a rectangular coordinate system (3,0)...
question
English, 14.07.2019 04:00
Plz asap its a ! extra points will be given"so you want to be a . . a . . 'trans-fo-ma,' huh? " "yeah . . but ma-ma says that's silly. little bo...
question
Social Studies, 14.07.2019 04:00
This is not a homework question. this is purely philosophical. are humans born inherently good or bad? you are not allowed to say that they are born...
question
History, 14.07.2019 04:00
Can you talking about louisiana purchase...
question
Health, 14.07.2019 04:00
The patient has a large acute subdural hematoma documented in the medical record. which of the following procedures would you expect to see documented...
More questions: Mathematics Another questions
Questions on the website: 13722360
See results (0)