lulabelles7750
10.07.2019 •
Mathematics
The product of two rational numbers: a. is a rational number. b. is an irrational number. c. is undefined. d. cannot be determined without more information.
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Ответ:
A. A ration number.
It could never be an irrational number since you are multiplying. If you were dividing two rations numbers however, it could be irrational or undefined. It can be determined with the information given, so D is not correct.
Ответ:
since proposition
states that a number is greater than 25, if 
is true then the number must actually be greater than 25.
this implies that all possible options, except 24, can be accepted