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Mathematics 15 Online
OpenStudy (anonymous):

in the pulley system shown in this figure MQ=12cm, NP=3cm, and QP=40cm find MN please see drawing

OpenStudy (anonymous):

|dw:1374979050696:dw|

OpenStudy (anonymous):

rope length is 113

OpenStudy (anonymous):

|dw:1374984032940:dw| draw perprendicular from p atmp and nam it as o mo=3 op=9 \[op ^{2}+9^{2}=40^{2} Pythagoras\] \[1600-81=op ^{2}\] \[\sqrt{1519}=op\]

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