janahiac09
18.08.2021 •
Mathematics
8. If BD=BC, BD = 5x -26, BC = 2r + 1, and AC = 43, find AB.
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Ответ:
4
Step-by-step explanation:
There are two possibilities: correct and incorrect. To the dog, these answers are both equally valid, since he does not actually know multiplication. So, correct and incorrect have an equal probability. This means that the dog is estimated to get about half of the questions right.
Therefore, he will get 8/2=4 of the questions correct.