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jarptica [38.1K]
4 years ago
5

Simplify: 45÷3+2×8-12+42 Show working

Mathematics
2 answers:
mr Goodwill [35]4 years ago
7 0

45divided by 3=15

15+2multiplied by 8 -12+42

First multiple 2 and 8=16

15+16-12+42

15+16=31

31-12+42

31-12=19

19+42=61

Answer is61

stellarik [79]4 years ago
3 0
15+2*8-12+42
15+16-12+42
31-12+42
19+42
61
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Answers:

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  5. IQR = 192

=========================================================

Explanations:

  1. By definition, the quartiles split the data into four equal parts. The first quartile (Q1) will have 25% of the data below it.
  2. The second quartile is the exact same value as the median. This is because the median splits the data into two equal halves, i.e. is at the midpoint.
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