20. Hypothesis: a man hasn’t discovered something he will die for; Conclusion: he isn’t fit to live 21. Hypothesis: the measure of an angle is between 0 and 90; Conclusion: the angle is acute 22. Sample answer: If you buy a 1-year fitness plan, then you get a free visit. 23. Sample answer: If you are a math teacher, then you love to solve problems. 24. Sample answer: If I think, then I am. 25. Sample answer: If two angles are adjacent, then they have a common side. 26. Sample answer: If two angles are vertical, then they are congruent. 27. Sample answer: If two triangles are equiangular, then they are equilateral. 28. The hypothesis is true because you are 19 years old, and the conclusion is true because you vote. Since the predicted result is true, the conditional statement is true. 29. The hypothesis is false, and the conclusion is true. The statement doesn’t say what happens if you are younger than 18 years old. It is possible that you vote in a school election. In this case, we cannot say that the statement is false. Thus, the statement is true. 30. The hypothesis is true, and the conclusion is false. Because the result is not what was predicted, the conditional statement is false. 31.
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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.