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Mathematics, 21.06.2019 16:30
International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?
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Mathematics, 22.06.2019 01:20
Write 5 in the form of a/b using integers to show it as a rational number
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Mathematics, 22.06.2019 04:30
40 points which is the equation of a line perpendicular to the line with the equation: y = 1/4x + 2 a : y = -4x - 7 b : y = 4x + 2 c : y = 1/4x - 1/2 d : y = -1/4x + 3
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Mathematics, 22.06.2019 05:00
Hello i need with my math homework i don't understand can someone explain how this works
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Me pls the number 37 is prime or composite...
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