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OpenStudy (anonymous):
Medal:) A grid with 3 rows and 52 columns is titled with 78 identical 2x1 domino's. How many ways can this be done such exactly two of the domino's are vertical?
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OpenStudy (anonymous):
@hunterholt5
OpenStudy (anonymous):
@KaylaRdz0405
OpenStudy (sparrow2):
dominos are vertical? i didn't get this
OpenStudy (anonymous):
its HARD
OpenStudy (anonymous):
but you tried:)
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OpenStudy (jack1):
sorry @dprosus ... not understanding ur question... can you explain or post a pic/diagram explaining or demonstrating?
OpenStudy (mathstudent55):
|dw:1433656146658:dw|
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