# 2nd Long Exam Answer Key - or-59/21-8/7 2 M x = 12(5 4(3...

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MATH023 2 nd Long Exam Answer Key II. Problem solving 1. M x = 7(3) + 3(1) + 9(-4) + 2(-6) = -24 M y = 7(-2) + 3(10) + 9(5) + 2(-1) = 59 M = 21 Center of mass: (-59/21, -24/21)

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Unformatted text preview: or (-59/21, -8/7) 2. M x = 12(5) + 4(3) + 24(0) = 72 M y = 12(1) + 4(3) + 24(1) = 48 total Area = 40 Center of mass: (48/40, 72/40) or (6/5, 9/5) 8. 9....
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## This note was uploaded on 12/08/2011 for the course ECON 101 taught by Professor Smith during the Spring '11 term at Adrian College.

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2nd Long Exam Answer Key - or-59/21-8/7 2 M x = 12(5 4(3...

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