Mathematics, 28.02.2021 15:50, shaniqwakirkseyniqwa
How many four digit numbers are there whose half is divisible by 2, whose third is divisible by 3 and whose fifth is divisible by 5?
Answers: 3
Mathematics, 21.06.2019 14:10, sebastianapolo5
Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?
Answers: 2
Mathematics, 21.06.2019 22:00, Jasten
Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.
Answers: 1
How many four digit numbers are there whose half is divisible by 2, whose third is divisible by 3 an...
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