ljoslin21
25.01.2020 •
Mathematics
Which sample fairly represents the population
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Ответ:
Ответ:
x = 1.146 and x =7.854
Step-by-step explanation:
Use the quadratic formula
x = -b ± √b² -4ac
2a
-(-9) ±√81-36
2
9 ± √45
2