woottenemily7 woottenemily7

12-10-2020
Mathematics

contestada

Use elimination to solve for x and y:
9x - 4y = 11
x + 4y = 19
Select one:
a. (7,3)
b. (4,3)
c. (-1,5)
d. (3,4)

Respuesta :

wanimation144 wanimation144

12-10-2020

Answer:

multiply second eqyation by 9

Step-by-step explanation:

then subtract with 1 st eqn

Answer Link

bahadurkarkitej443 bahadurkarkitej443

12-10-2020

q9x-4y=19

9x=19+

1)x=19+4y/9

x+4y=19

2)x=19-4y

1 and 2

x=19+4y/9=x=19-4y

Answer Link

Otras preguntas

If a triangle has angle A that is 70* and angle B that is 90* what is angle C?

How do they describe prescribed legal drugs?

(I made it from a meme generator) U.U

GIVING BRAINLIEST The map shows the Roman Republic and the Roman Empire.A map of the Roman Empire. A key shows the Roman Republic, 44 B C E in purple, the Roman

WILL GIVE 50 POINTS ONLY ANSWER IF YOU KNOW IT PLZ NEED HELP ASAP WILL GIVE BRAINLIEST

Can someone please help and solve these 2 problems?

what biotic factors in the taiga are different from the biotic factors in the rainforest

In D.C. alcoda or D.S. alcoda, what is the name of the final section that ends the song?

What is the value of numC at the end of this loop? numC = 12 while numC > 3: numC = numC / 2 numC =

Which fraction is equivalent to (1/2)(1/2)(1/2)