Evaluating numeric expressions 16^5/4X16^1/4/(16^1/2)^2=?
2 answers:
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Answer:
<h2>p(obtaining a red counter) = 0.625</h2>Step-by-step explanation:
The total number of counters in the bag is 5 + 3 = 8.
and only 5 are red.
Then
the probability of obtaining a red counter is :
Answer:
The answer is A.
Step-by-step explanation:
So we have the two equations:
To make a substitution of the second equation into the first equation, we need to isolate the <em>y </em>variable in the second equation. Thus:
Now, we can substitute this into the first equation. Therefore: