grandmascoochiehairs grandmascoochiehairs

19-01-2021
Mathematics

contestada

Solve the system using elimination.
5x + 7y = -31
5x – 9y = 17

A. (-4,-4)
B. (-5,-3)
C. (-2,5)
D. (-2,-3)

Respuesta :

25bgerde 25bgerde

20-01-2021

Answer:

y=-3

Step-by-step explanation:

5x+7y=-31

(-) 5x-9y+17

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

16y=-48

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

16 16

y=-3

Answer Link

Otras preguntas

What problems may arise if an inaccurate diagnosis is used?

எest எவப Would you like to have some coffee, Sir? (REWRITE AS IN 'INTERROGATIVE 'SENTNCE

ifetime of a certain brand of electric light bulb is known to have a standard deviation of 5 5 hours. Suppose that a random sample of 6 0 bulbs of this br

México es rico o pobre y por qué

One advantage for advertisers using digital media is that:a) It is much more secure than traditional forms of media.b) Consumers consider commercial messages vi

Balance the redox equation in basic solution for MnO−4+S2−→MnO2+S

Which sentence from the text would be MOST appropriate to include in an objective summary? A. There, he developed a longing to perform in front of audiences as

Let [tex]y=2e^{cosx}[/tex]. Both x and y vary with time in such a way that y increases at the constant rate of 5 units per second. The rate at which x is changi

The line PQ's inclination with the horizontal is increased by 25° at Q. The equation of line 3 RQ is y x=2. (a) (b) Calculate the inclination of line RQ. Find t

A container consists of which of the following components?