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Mathematics, 21.06.2019 18:40
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
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Mathematics, 21.06.2019 21:30
Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 Β· 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 Β· 2 = 12 7 - 4 = 11 or 6 + 3 = 9
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Mathematics, 22.06.2019 02:10
What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.
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