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15.12.2020 •
Mathematics
4. How many terms of the series 64 + 32 + 16 + ... ... must be taken so that the sum may be 255÷2
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Ответ:
... ... = .5
Step-by-step explanation:
I'm not sure if I'm right. But I got my answer by dividing 255 and 2 first
255 / 2 = 112.5
Then find out what 64 + 32 + 16.
64 + 32 + 16 = 112
Add 0.5 to get the same answer from 255 / 2
64 + 32 + 16 + 0.5 = 112.5
Ответ:
x, x, x.
Total = x + x + x = 3x
Almond = x / 3x = 1/3, Walnut = 1/3, Cashew = 1/3
P( Almond or Walnut or Cashew) = 1/3 + 1/3 + 1/3 = 1.
So the probability = 1