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 1year 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.
This is the end of the preview.
Sign up
to
access the rest of the document.
 Fall '10
 Dr.Zhan
 Calculus, PreCalculus, Contrapositive, Rectangle, good shape, Sample answer

Click to edit the document details