Pre-Calculus Homework Solutions 40

Pre-Calculus Homework Solutions 40 - 37 B m P m Q m m Q m Q...

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37. B; m / P 1 m / Q 1 m / R 5 ¬ 180 m / Q 1 m / Q 1 2( m / Q ) 5 ¬ 180 4( m / Q ) 5 ¬ 180 m / Q 5 ¬ 45 m / P 5 ¬ m / Q 5 ¬ 45 38. B; 4 1 x 5 y 2 5 x 5 ¬ y 2 9 Page 100 Maintain Your Skills 39. Let the four buildings be named A , B , C , and D .In order to have exactly one sidewalk between each building, there should be 6 sidewalks. If A w B w is the sidewalk between buildings A and B ,then the 6 sidewalks are A w B w , A w C w , A w D w , B w C w , B w D w , and C w D w . 40. Valid; since 24 is divisible by 6, the Law of Detachment says it is divisible by 3. 41. Invalid; 27 4 6 5 4.5, which is not an integer. 42. Valid; since 85 is not divisible by 3, the contrapositive of the statement and the Law of Detachment say that 85 is not divisible by 6. 43. Sample answer: If people are happy, then they rarely correct their faults. 44. Sample answer: If you don’t know where you are going, then you will probably end up somewhere else. 45.
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This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.

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