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tyler8670
06.01.2021 •
Mathematics
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Ответ:
D
Step-by-step explanation:
so they ran the trial ten times so now you have to aks how many times did they get heads
which would be 2/10 times
you want the accuracy of which they got so divide 2/10
we know the probability of getting heads is 50%
so when you calulate it, it will give you 0.2 use the percent button and get 0.1
Ответ:
The correct option is
(A)
where c is the number of dimes.
Step-by-step explanation: Given that Alice has a total of 12 dimes and nickels and she has 2 more nickels than dimes.
We are to select the correct equation that represents the given problem situation.
Let c represents the number of dimes. Then, the number of nickels will be (c + 2).
Since there are total 12 coins, so the required equation is given by
Thus, the required equation is
Option (A) is CORRECT.