sryun
12.11.2019 •
Mathematics
After january 1 aleta has band practice every fourth day and swimming lesson every third if both program endjanuary 31 how many days in january will aleta have both band practice swimming lessons
multiple choice
1 day
3 days
2days
4days
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Ответ:
swimming, every 3rd day : 3,6,9,12,15,18,21,24,27,30
band practice, every 4th day : 4,8,12,16,20,24,28
Both band practice and swimming : 12th day, 24th dayso 2 days
Ответ:
If you multiply any irrational number by zero the result will be zero and that is a rational number. In other situations a rational times an irrational will be an irrational number. A better statement would be that the product of a non-zero rational and a irrational is an irrational number.