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Mathematics 7 Online
OpenStudy (anonymous):

If a circular pipe that is 10 inches in diameter is replaced with an 8 inch pipe what is the percent decrease in circumference

OpenStudy (campbell_st):

find the circumference for each diameter 10inch: C = 10pi 8 inch C = 8pi then C8/C10 = 8pi/10pi = 0.8 then there is a 20% decrease in the circumference

OpenStudy (anonymous):

thanksssss :)

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