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chem1014
28.05.2021 •
Mathematics
Stove for x.Round to the nearest tenth, if necessary.
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Ответ:
Step-by-step explanation:
take 26 degree as reference angle
using cos rule
cos 26=adjacent/hypotenuse
0.89=x/69
0.89*69=x
61.41=x
61.4=x
Ответ:
Step-by-step explanation:
I'd tell her that if (and only if) her prediction is correct, the probability of getting tails is 0.5. Actually, the probability of getting heads would be the same, 0.5.
In real life she would not necessarily get 240 tails out of 480 tosses, but the mean value of the number of tails would indeed be close to 0.5.