Mathematics, 25.10.2021 01:00, alana62

Why there is 60 minutes in a hour ? ▪︎no need spams
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Mathematics, 21.06.2019 18:00, xojade

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Mathematics, 21.06.2019 22:30, lekepius3715

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

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Why there is 60 minutes in a hour ? ▪︎no need spams
▪︎ans should be well explained
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