Mathematics, 02.11.2020 04:10 lburch112
Which answer choice represents an equivalent number sentence that uses the associative property to rewrite "[(-4) x (-3)] x (-5)"?
A. (-4) x [(-3) x (-5)]
B. -12 x -5
C. -4 x -8
D. -60
Answers: 3
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There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?
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Which answer choice represents an equivalent number sentence that uses the associative property to r...
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