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OpenStudy (anonymous):
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OpenStudy (anonymous):
please answer question 50,51,52
OpenStudy (angela210793):
50) P= (3m+2r)+(5r-m)+(4r+2m)+(r-5m)=12r-m 51)P=2(4b-2c)+2(3a+b+c)=8b-4c+6a+2b+2c=6a+10b-2c 52) P=(3s+3t)+(5t-4s+p)+(2p-5s)=8t-6s+3p P= sum of the sides
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