Mathematics, 28.09.2021 01:00 antcobra
Đội tuyển học sinh giỏi lớp 5 sau khi đi học được 2 tháng thì loại 3/7 số bạn. Sau đó tiếp tục loại thêm 1/4 bạn còn lại thì còn 6 bạn. Hỏi lúc đầu đội tuyển có bao nhiêu bạn?
Answers: 2
Mathematics, 21.06.2019 18:50
The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3
Answers: 1
Mathematics, 21.06.2019 23:30
Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?
Answers: 1
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Đội tuyển học sinh giỏi lớp 5 sau khi đi học được 2 tháng thì loại 3/7 số bạn. Sau đó tiếp tục loại...
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