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Mathematics, 29.07.2021 02:40 chim84
In a group of students, 20 students study Accounts, 20 study Mathematics, 17 study History, 7 study Accounts only, 10 study Mathematics only, 6 study Accounts and Mathematics only and 3 study Mathematics and History only. Represent the above information in the Venn diagram and find the total number of students in that group.
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Mathematics, 21.06.2019 22:30
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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In a group of students, 20 students study Accounts, 20 study Mathematics, 17 study History, 7 study...
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