Pre-Calculus Homework Solutions 27

# Pre-Calculus Homework Solutions 27 - 175 1 25 1 7 1 34 1 45...

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29. An obtuse angle measures greater than 90° and less than 180°, or an equilateral triangle has three congruent sides and 0 , 0; true, because s is true. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. The teens that said they listened to none of these types of music are represented by the region outside the Pop, Country, and Rap sets. There are 42 teens that said they listened to none of these types of music. 42. The teens that said they listened to all three types of music are represented by the intersection of three sets. There are 7 teens that said they listened to all three types of music. 43. The teens that said they listened to only pop and rap music are represented by the intersection of the Pop and Rap sets excluding the teens that also listen to country music (hence listen to all three types of music). There are 25 teens that said they listened to only pop and rap music. 44. The teens that said they listened to pop, rap, or country music are represented by the union of the Pop, Rap, and Country sets. There are
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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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