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OpenStudy (anonymous):
In the standard (x,y) coordinate plane, lines ℓ and q are perpendicular. If line ℓ has the points (0,0) and (2,1), and line q has the points (2,1) and (0,t) ,what is the value of t? -3 -2 2 3 5
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OpenStudy (anonymous):
whr r u stuck
OpenStudy (chihiroasleaf):
hint: two lines are perpendicular if the product of their slopes are -1
OpenStudy (anonymous):
nope, thats wrong
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