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31.03.2020 •
Mathematics
If I make a 40.2% on a test what fraction of the questions did I answer correctly
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Ответ:
Depends on the number of questions. How many questions were there?
Less than half, btw.
Ответ:
Ответ:
side AC / sin (71) = side BC / sin (40)
25 / 0.94552 = side BC / 0.64279
side BC = 16.9956743379
side BC = 17 m (rounded)
Source:
http://www.1728.org/trigtut2.htm