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the line passing through (9,y) and (3,0) is parallel to the joining (3,4) and (1,2). find y? i got 3 is this correct?
 one year ago
 one year ago
the line passing through (9,y) and (3,0) is parallel to the joining (3,4) and (1,2). find y? i got 3 is this correct?
 one year ago
 one year ago

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mathstudent55Best ResponseYou've already chosen the best response.1
Slope of line passing through (3, 4) and (1, 2) m = (2  4)/(1  3) = 2/4 = 1/2 Slope of line passing through (9, y) and (3, 0) m = (y  0)/(9  3) = 1/2 y/6 = 1/2 y = 3 You are correct.
 one year ago
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