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Ray Of Light [21]
2 years ago
6

How do you know that substitution gives the answer to a system of equations?

Mathematics
1 answer:
Cerrena [4.2K]2 years ago
3 0
It gives the answer to a system of equations because it explains it
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A bag has 4 balls: 1 red (R), 1 green (G), 1 yellow (Y), and 1 blue (8)
Vinvika [58]

Answer:

Below.

Step-by-step explanation:

The sample space is a list of all the possible results of choosing a ball =

{R, G, Y, B}.

5 0
3 years ago
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Which of the following represents the area of a rectangle whose length is 3x + 5 and whose width is. x – 2?.
jolli1 [7]
Area of a rectangle is expressed as the product of length and width. 

Area = l x w
Area = (3x+5)(x-2)
Area = 3x² - 6x + 5x - 10
Area = <span> 3x² - x - 10

Therefore, the correct answer is option D.</span>
8 0
2 years ago
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Find the LCM of 63 and 84.
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252, because 2x2x3x3x7 = 252
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3 years ago
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What is 9/12 in simplest form
olga nikolaevna [1]
Solutions 

⇒9/12 

1) To see if 9/12 is in simplest form you have to find 9 and 12's GCF. 
The GCF of 9 and 12 is 3 

2) Divide by the GCF
9 ÷ 3 = 3
12 ÷ 3=  4 

3/4 is answer 
6 0
3 years ago
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Whats the distance between {-4 , 12} and {18 , 12}
belka [17]
You would need to use the distance formula.
Distance = Sqrt((x2-x1)^2+(y2-y1)^2)
Plug in your numbers
Distance = Sqrt((12+4)^2+(12-18)^2)
Distance = 17.09
4 0
3 years ago
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