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Misha Larkins [42]
3 years ago
5

PLEASE HELP! 30 points

Mathematics
2 answers:
uranmaximum [27]3 years ago
7 0

Answer:

The median is 6

Step-by-step explanation:

Place all numbers in order from least to greatest:

2,3,5,5,6,6,6,6,7,7,7,9

Start by counting off the numbers evenly on each side:

5,5,6,6,6,6,7,7,

6,6,6,6,

6,6

If you are left with 2 numbers after evenly counting off numbers, then right what is in between the two numbers:

6

satela [25.4K]3 years ago
3 0

Two Numbers in the Middle. BUT, with an even amount of numbers things are slightly different. In that case we find the middle pair of numbers, and then find the value that is half way between them. This is easily done by adding them together and dividing by two.



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1 )
1st and 2nd equation (multiply 1st by -2 ):
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---------------------------
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1st and 3rd:
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-----------------------------
         - 20 x + 3 z = 20  /  * 11
        ----------------------------------
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        ------------------------------
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2 )  
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3 )
      x + y + z = 11
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   ------------------------
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    ------------------------
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      ------------------------
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