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Nastasia [14]
2 years ago
11

I need help please!!!!!!!

Mathematics
1 answer:
kotegsom [21]2 years ago
6 0

Answer:

km

Step-by-step explanation:

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Please help me. I’ll give brainliest
Hoochie [10]

Answer:

the value of x=

2×-12= -24

the value of y is 3y plus 20 which equals to 23

4 0
3 years ago
What is x² + x + 49 on 2020 edg?
Verdich [7]

Answer:

259

Step-by-step explanation:

6 0
3 years ago
I’m struggling a bit on this question, may someone help me please
Leto [7]

Answer:

k = 2

Step-by-step explanation:

Use a graphing calculator

6 0
3 years ago
Solve -2/3 n< 16 What is the following must be true about the causes and the results Grove select the
pantera1 [17]

Answer:

-24

Step-by-step explanation:

you divide -2/3 by each side and that will give you your answer

5 0
2 years ago
Solve the following system of equations.
Elan Coil [88]

Answer:

(2,-3)

Step-by-step explanation:

I am not sure if you meant the first equation to be y or -y.  I solved it as y.

y = x-5                       -x -3y =7

I am going to take the second equation and write it as x =

-x - 3y = 7  Give equation

-x = 3y +7   Add 3y to both sides

x = -3y-7  Multiplied each term in the equation by -1 so that x could be positive

I am going to substitute -3y-7 for x in the first equation up above

y = x - 5

y = -3y -7 - 5  Substitute -3y-7 for x

y = -3y -12  Combined -7-5

4y = -12  Added 3y to both sides

y = -3  Divided both sides by 4.

I now know that y is -3, I will plug that into x = -3y-7 to solve for x

x = -3(-3) -7

x = 9-7   A negative times a negative is a positive

x = 2

5 0
1 year ago
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