Mathematics, 03.09.2019 22:30 rleiphart1
Numa olimpíada de matemática, 9/14 dos alunos obtiveram notas maiores que 6,0. se 300 alunos obtiveram notas maiores que 6,0, quantos alunos participaram dessa olimpíada? pelo amor di deus eu preciso de ajud
Answers: 1
Mathematics, 21.06.2019 16:30
What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63
Answers: 2
Mathematics, 21.06.2019 18:50
The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103
Answers: 3
Numa olimpíada de matemática, 9/14 dos alunos obtiveram notas maiores que 6,0. se 300 alunos obtiver...
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