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Mathematics, 28.03.2022 04:00 ladypink94

A line passing through (a,8) and (-1,7) is perpendicular to a line through (2,-10) and (4,a) what is the value of a

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A line passing through (a,8) and (-1,7) is perpendicular to a line through (2,-10) and (4,a) what is...
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