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Mathematics, 08.04.2020 03:27, jescanarias22
A security system uses a 3-letter password, but no letter can be used more than once. How many possible passwords are there if 6 of the letters of the alphabet can be used by the system?
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Answers: 1
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Mathematics, 21.06.2019 19:30, karlacr5117
Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?
Answers: 2
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A security system uses a 3-letter password, but no letter can be used more than once. How many possi...
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