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Mathematics, 27.08.2019 19:30 ionutvasiliev4237

Which of the following consists of a pair of perpendicular lines?
a: d = -1/5x - 4; e = 1/5x + 2
b: d = -1/5x - 4; e = 5x + 2
c: d = 1/5x - 4; e = 5x + 2
d: d = -1/5x - 4; e = -1/5x + 2

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Which of the following consists of a pair of perpendicular lines?
a: d = -1/5x - 4; e = 1/5...
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