leahphi
24.04.2020 •
Mathematics
Which statement is true about polynomial 5s^6t^2 + 6st^9 - 8s^6t^2 - 6t^7 after it has been fully simplified? A. It has 3 terms in a degree of 9 B. It has three terms and a degree of 10 C. It has 4 terms and a degree of 9 D. It has 4 terms and a degree of 10
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Ответ:
ten scores in order:
81
81
82
84
85
86
89
93
94
95
sum = 870
mean = 870/10 = 87
median 85.5 (5 above, 5 under)
mode = 81 (there are two of them)