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Mathematics, 26.10.2019 18:43 historyfanboy101
If the slope of line l is -2/5, what is the slope of line m so that line l and line m are perpendicular?
choices:
-2/5
-5/2
2/5
5/2
pls !
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If the slope of line l is -2/5, what is the slope of line m so that line l and line m are perpendicu...
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