Mathematics, 20.08.2019 19:30 Elenegoggg
6x+6y=-6
5x+y=-13
*substitution~ explain how on all steps shown
Answers: 1
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?
Answers: 2
6x+6y=-6
5x+y=-13
*substitution~ explain how on all steps shown...
5x+y=-13
*substitution~ explain how on all steps shown...
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