karenloyd1974 karenloyd1974

28-10-2019
Mathematics

contestada

Which ordered pair is the solution to the system of equations?
S-3x + 4y = -20
- 4
(0, - 5)
(-4, - 8)
(4,8)
(-2, – 6)

Respuesta :

alejandrocampos54 alejandrocampos54

28-10-2019

Answer:

You can use Gaussian Elimination.

Double both sides of the first equation and add the second equation.

6x + 4y = 8

5x - 4y = 3

---------------

11x = 11

x = 1

5 - 4y = 3

-4y = -2

y = 1/2

Step-by-step explanation:

Answer Link

Otras preguntas

Write a short counterclaim for the claim Michelle Obama is making in these remarks to the Grocery Manufacturers Association. But your role in helping address ch

Which sentence has a misplaced adjective clause? A. I sometimes see Mrs. Jackson, who owns two brown dogs, as I ride through the neighborhood. B. I prefer to ri

How did the Cold War lead to armed weapon conflict?

Is there a word or phrase that means someone doesn't see the obvious, and if so what is it.

On January 1st, Jerome concocts a rumor and tells Beth. On January 2nd, they each tell a new person. By the end of January 2nd, four people have heard the rumor

Which sentence does not contain any errors? A. The two citie's airport's were closed during the blizzard. B. The two cities' airports' were closed during the bl

If a = 3 units, b = 7 units, and c = 10 units, what is the volume of the three prisms above? a 210 cubic units b 153 cubic units c 180 cubic units d 162 cubic u

he wanted to make another quilt with an area of 42 square feet what are its possible dimensions if they must be whole numbers. Which length and width makes the

AP US History question: Analyze the ways in which the federal government sought support on the home front for the war effort during the First World War.

Select the sentence type. I know the man, but he doesn't know who I am, although I've tried to introduce myself several times. fragment simple compound complex

ACCESS MORE EDU ACCESS