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Mathematics, 19.03.2021 21:00 channarlawassociate

Two lines are represented by equations: 10x – 15y = 21 and y = kx + 5.What value of will make lines perpendicular? ​

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Two lines are represented by equations: 10x – 15y = 21 and y = kx + 5.What value of will make lines...
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