Mathematics

Mathematics, 21.11.2019 21:31, meowmeowcow

Um lapis custa a quarta parte do valor de uma caneta e os dois juntos custam 12 reais, qual é o valor do lapis?

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36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)

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Um lapis custa a quarta parte do valor de uma caneta e os dois juntos custam 12 reais, qual é o valo...

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