2 years ago

−x + y = 6 2x + y = −12

Mathematics

1 answer:

mote1985 [20]2 years ago

3 0

Answer: 6, 12

-x+y=6 [eq.1]

2x + y = - 12 [eq.2]

[eq.2] - [eq.1]

2x + y - (-x) - y = - 12 - 6

2x +x =-18

3x=18

x = 18/3

ans: x = 6

substituting x=6 in [eq.1]

-x + y = 6

-6 +y =6

ans: y= 12

You might be interested in

HELP IS NEEDED FAST PLEASE

vfiekz [6]

Answer:

17.1

Step-by-step explanation:

If you have 15.50 and you divide 0.75 you get 20.6 and if you subtract 3.50 you get 17.1 which is your answer. Boom

7 0

2 years ago

How much money do winners go home with from the television quiz show Jeopardy? To determine an answer, a random sample of winner

Len [333]

Step-by-step explanation:

Given:

x = 26214.47

s = 5969.25

n = 15

t = 2.046

The confidence interval is:

CI = x ± t (s / √n)

CI = 26214.47 ± 2.046 (5969.25 / √15)

CI = (23061.06, 29367.88)

7 0

3 years ago

If the width of a rectangle is x + 2 and the length is twice as long, what is the area?

lawyer [7]

$A=(x+2)(2(x+2)=(x+2)(2x+4)=2x^2+4x+4x+8=\\
=x^2+8x+8$

4 0

3 years ago

Most animals give birth during a general time of year. This is because animals naturally breed so that their young will be born

LiRa [457]

Answer:

I guess c I just plain out guessed

7 0

2 years ago

Please help me!!<br> Really fast please

MA_775_DIABLO [31]

Answer:5.5%

Step-by-step explanation:

just use it smh

7 0

2 years ago

Read 2 more answers