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larisa [96]
3 years ago
15

22=7+3x please explain. I think you do -22 on both sides

Mathematics
2 answers:
aliina [53]3 years ago
7 0
No, 22 should stay on its own side but x needs to be alone. so start on the 7+3x side and get 22 alone.                  
22=7+3x  should start with subtracting seven instead of 22 then dividing by 3 and you will find the answer

Jet001 [13]3 years ago
3 0
22=7+3x
22-7 = 3x
15=3x
15/3=x
5=x
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Using the median concept, it is found that the interquartile range of Sara's daily miles is of 21 miles.

<h3>What are the median and the quartiles of a data-set?</h3>

  • The median of the data-set separates the bottom half from the upper half, that is, it is the 50th percentile.
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The ordered data-set is given as follows:

65, 72, 86, 88, 91, 93, 97

There are 7 elements, hence the median is the 4th element, of 88. Then:

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Since the quartiles are the medians of each half, the have that:

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More can be learned about the median of a data-set at brainly.com/question/3876456

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