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RoseWind [281]
3 years ago
13

What is the domain and range of the relation shown in the table?

Mathematics
1 answer:
seropon [69]3 years ago
7 0

Answer:

domain: {2, -1, 5, -3}

range: {2, 4, 2, 0}

Step-by-step explanation:

domain : of all the input values shown on the x-axis.

range : the set of possible output values shown on the y-axis.

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Use the linear combination method to solve the system of equations. Explain each step of your solution. 2x-3y=13 4x-y=-9
Tems11 [23]

2x -3y = 13

4x -y = -9

Multiply the second equation by -3 to make the coefficient of Y opposite the first equation.

4x -y = -9 x -3 = -12x + 3y = 27

Now add this to the first equation:

2x -12x = -10x

-3y +3y = 0

13 +27 = 40

Now you have :

-10x = 40

Divide each side by -10:

x = 40 / -10

x = -4

Now you have a value for x, replace that into the first equation and solve for y:

2(-4) - 3y = 13

-8 - 3y = 13

Add 8 to both sides:

-3y = 21

Divide both sides by -3:

y = 21/-3

y = -7

Now you have X = -4 and y = -7

(-4,-7)

3 0
3 years ago
Plz help me ✌️✌️✌️✌️✌️✌️✌️✌️✌️
hodyreva [135]

Answer:

looking at this picture i see that the x value is -30 and the y value is 30

and looking at this it looks like the slope is 30°.

Step-by-step explanation:

not sure if this is right because i have a blank memory about things i learned in pre alg.

but if i'm wrong forgive me.

and if i'm right good luck on whatever you are doing.

5 0
3 years ago
Read 2 more answers
Question 18 plz help <3
Karolina [17]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
What is the solution to the system of equations
ExtremeBDS [4]

Answer:

Y = 2

X = 3

Step-by-step explanation:

Substitution:

6(4y-5) - y = 16

24y-30-y=16

23y=46

Y = 2

So then:

6x-2 = 16

6x = 18

X = 3

8 0
3 years ago
Help please and don't delete the question
Ahat [919]

Answer:

x = 2

Step-by-step explanation:

8(4-x) = 7x + 2

1) Distribute : 32 - 8x = 7x + 2

2) Subtract 32 : -8x = 7x - 30

3) Subtract 7x : -15x = -30

4) Divide 15 : x = 2 :)

4 0
3 years ago
Read 2 more answers
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