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jekas [21]
3 years ago
6

Find the solution of this system of equations

Mathematics
2 answers:
Sindrei [870]3 years ago
7 0
I did it using elimination method.

gulaghasi [49]3 years ago
4 0
6x = 90 +3y\\
x - 3y = 50\\\\
-6x+3y=-90\\
\underline{x-3y=50}\\
-5x=-40\\
x=8\\\\
8-3y=50\\
3y=-42\\
y=-14

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Perimeter of a rectangle HELP!
alexdok [17]
All I can say is that your equation is wrong
3 0
3 years ago
PLEASE HELP!<br> IMAGE DOWN BELOW!
ankoles [38]

Answer:

1. 11t

2.7w+28

3. 2c+11

4. 8n

5. 10r+15

6. 24−8g

7. 17d−9

8. 8g+7z

9. 23b

10. 2rs+1

11. 9f+9g

12. 4x+y

13. 21a+14

14. 21a+14

15. 6−3k

16. 18n+36

17. 9s+3t

18. 8a−12b

19. 11m+n

20. 2+6z

21. 8x+6y

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26. 3(c+2)

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28. 2+8q+3r

Step-by-step explanation:

there you go, sorry it took so long

6 0
4 years ago
The question is in the jpg.
dexar [7]
First, you need to find the height, in which it says “a height that’s half the length of the longer base side. Can you guess what that is between 7 and 5? It is 7. And you would find half of that which is 3.5. Now you know the height is 3.5. The formula to find a rectangular pyramid's volume is lwh/3 which you would do 7 * 5 * 3.5, which is equal to 122.5, and then you would divide that by 3, which is 40.833 which would round to 40.8, so there is your answer.
It is 40.8 units^3
7 0
3 years ago
198 = -4x + 2(-6x+3)
Firdavs [7]
198=-4x+2(-6x+3), 198=-4x-12x+6, 198=-16x+6, collect the like terms, 198-6=-16x, 192=-16x, divide both sides by -16, 192/-16=-16x/-16, x=-12
4 0
3 years ago
Write the equation:
ivanzaharov [21]
How much is more is Jerry’s salary than Victoria’s salary after 3 years?

It’s a pretty simple question
8 0
3 years ago
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