athenawandahost athenawandahost

25-01-2021
Mathematics

contestada

Is this ordered pair a solution to the system of linear equations? Yes or no and why or why not?

Is this ordered pair a solution to the system of linear equations Yes or no and why or why not class=

Respuesta :

thebecks thebecks

25-01-2021

Answer:

Yes, it is a solution

Step-by-step explanation:

9x+7y=-11

-2x-5y=30

substitute 5 for x and -8 for y and test:

9(5)+7(-8)=-11

45-56=-11 , this is true

-2(5)-5(-8)=30

-10+40=30 , this is true also

Answer Link

Otras preguntas

paragraph abt monkeys paw

PLEASE HELP I HAVE WUIZ THANKS

Read the excerpt from "Escape." I look inside me and I don't see it I don't see the power The confidence you say I have You say I can do anything That I'm sure

Sophie drew an angle that turns through 90/360 of a circle. Which describes the measure of Sophie’s angle?14 degree90/360 degree90 degrees360 degrees

Find the surface area of the cone that has a lateral height of 4.2 and a diameter of 2.8. Use 3.14 for π.

is this proportional or non-proportional?

give an example of an adaptation.

Find the value of f(5) if f(x) = {2x - 7, x51 13x + 4, x > 0 A) -5 B) 7 C) 3 D) 19

01 С A- 10 12 14 18 20 -0.1 -0.2 B What is the wavelength of this wave? I really need help

Which of the following points best represent ...