Mathematics, 04.12.2019 16:31, jonallere04
5x+7y=31 2x+4y=16 which of the following systems could be used to solve the given system of equations by the addition method? 10x + 14y = 31 and -10x - 20y = 16 10x + 14y = 62 and 10x + 20y = 32 -10x - 14y = -62 and 10x + 20y = 80
Answers: 3
Mathematics, 21.06.2019 18:00, emmanuelcampbel
Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning
Answers: 1
5x+7y=31 2x+4y=16 which of the following systems could be used to solve the given system of equation...
Mathematics, 04.08.2019 02:30
Biology, 04.08.2019 02:30
Business, 04.08.2019 02:30
Biology, 04.08.2019 02:30
Chemistry, 04.08.2019 02:30