6 of 10
© Stephen was thinking of a number. Stephen doubles it, then adds 11 to get an
answer...
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Mathematics, 13.10.2020 23:01 haileysolis5
6 of 10
© Stephen was thinking of a number. Stephen doubles it, then adds 11 to get an
answer of 47.7. What was the original number?
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Answers: 1
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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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