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nschavez123
07.05.2021 •
Mathematics
The cylinder below has a volume of 80 cm³. what is the value for r?
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Ответ:
Correct; incorrect; incorrect
Step-by-step explanation:
In the table, we see that there were 113 ballet dancers. All of them practice 20 hours or more each week. This means the first statement, "The ballet dancers practice 20 h or more per week," is correct.
We see that there are 87 jazz dancers. None of them practice 20 hours or more each week. This means the second statement, "The jazz dancers practice 20 h or more per week," is incorrect.
The last statement is also incorrect; this is because since ballet dancers all practice 20 hours or more, and none of the jazz dancers practice 20 hours or more, the type of dancing seems to directly affect the number of hours practiced per week.