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Mathematics, 21.01.2020 01:31, hallee25
How many different four-digit numbers greater that 4000 can be formed from the digits {3, 4, 8, 9}, if : a. repetition is allowed b. repetition is not allowed.
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Answers: 3
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Mathematics, 21.06.2019 15:10, pampam49
If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.
Answers: 2
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How many different four-digit numbers greater that 4000 can be formed from the digits {3, 4, 8, 9},...
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