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EleoNora [17]
3 years ago
14

Please help me I tried but I don't get it ​

Mathematics
1 answer:
Alina [70]3 years ago
5 0
Answers: 50, 50, 130

Steps:

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Use substitution to solve the system of equations.<br> y=-4x+11<br> 3x+y=9
Sloan [31]

Answer:

(2,3)

Step-by-step explanation:

(Brainliest please)

7 0
3 years ago
Solve each pair of simulation equation.Giving both solutions. Multiply both equations by suitable numbers before adding/subtract
pashok25 [27]

Answer:

Step-by-step explanation:

I haven't got time to do all these by I'll give you the method in each case.

You have to make the x or y term equal (or 1 term + and other -) in both equations before adding or subtracting.

A . Multiply  equation 2 by 2 and subtract (to eliminate x)

- don't forget to multiply EACH TERM by 2.

B. Multiply  equation 2 by -2 and add.

C.  Multiply  equation 1 by 3 and equation 2 by 2 ( this will give -6y and +6y in the resulting equations ) so  you then add to eliminate y.

D.  Multiply equation 1 by 13 and equation  and equation 2 by 2 to eliminate x then add.

6 0
2 years ago
Most insurance companies will replace a vehicle any time an estimated repair exceeds​ 80% of the​ "blue-book" value of the vehic
motikmotik
The repair amount ($5800) is less than 80% of the blue book value of Michelle's car.
8 0
3 years ago
What is the answer to 21x-14
serg [7]

Answer:

7(3x-2)

Step-by-step explanation:

you can factor it down with GCF ( Greatest common factor)

3 0
3 years ago
Read 2 more answers
The Drama Club is showing a video of their recent play. The first showing begins at 2:30. The second showing is scheduled at 5:2
WARRIOR [948]
The length of the video is
  5:25 -2:30 -0:30
  = 5:25 -3:00
  = 2:25

If the second showing starts on time, it will be over at
  5:25 +2:25 = 7:50

The second showing is not over by 7:45 even when it starts on time. It will NOT be over by 7:45 when it starts late.
7 0
3 years ago
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