binu
02.11.2020 •
Mathematics
Help help help help pls.......
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Ответ:
1: -55 / (+5) = (-11) and -55 / (-11) = (+5)
2: +32 / (-4) = (-8) and +32 / (-8) = (-4)
3: -42 / (+6) = (-7) and -42 / (-7) = (+6)
4: +18 / (+2) = (+9) and +18 / (+9) = (+2)
Step-by-step explanation:
Ответ:
1/20*1/26=1/520
Step-by-step explanation:
You have to solve for a compound event, I had the same question and 1/23 was wrong. You take the probability on on girl being picked (1/20) and have to multiply it by the chance of the other girl getting picked (1/26)
Hope this helps :)