mayakenney9 mayakenney9

19-01-2020
Mathematics

contestada

16.
What is the solution of the system of equations?
y = 3x + 7
y = X-9
(-17, -8)
(-8, -17)
(-1,-10)
(4, 19)

Respuesta :

19-01-2020

y = 3x +7
y + 9 = x

y = 3(y+9) + 7

y = 3y + 27 + 7

0 = 2y + 34

-2y = 34

y = -17

Substitute into any original equation:

-17 + 9 = x

-8 = x

Therefore co-ordinates are:

(-8, -17)

Hope this has helped you today

Have a great day

Answer Link

Otras preguntas

Find the value of x in the triangle .Please show work

What is the name of the instrument used in a submarine to allow the crew to see above the surface of the water? Sketch a diagram of this instrument , showing a

The definition was of Antagonist

Which correctly shows how to use the GCF and the distributive property to find an expression equivalent to 8 + 48? 4 (2 + 6) 4 (8 + 6) 8 (1 + 6) 8 (2 + 6)

The girls in Lana’s troop set a goal to sell 1,000 boxes of cookies this year. There are 13 girls in the troop. At least how many boxes of cookies should each g

what is the area of 9 cm 3 cm of the rectangle

Which element would release the most energy while adding an electron to a neutral atom in the gas phase?

The theater sells two types of tickets: adult tickets for $15 and child tickets for $11. Last night, the theater sold a total of 147 tickets for a total of $188

can someone pls pls help me?

This scene is an example of dramatic irony used to create suspense since the audience knows that the musicians will not arrive on time. Capulet approves of the