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Mathematics 19 Online
OpenStudy (anonymous):

Two lines are perpendicular when.. A) the product of their slopes is –1. B) the product of their slopes is greater than 0. C)they have the same slope. D) their slopes are undefined.

OpenStudy (anonymous):

When the product of ther slopes is -1

OpenStudy (anonymous):

Thank you <3

OpenStudy (anonymous):

You're welcome

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