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znewkirk4741
26.09.2021 •
Mathematics
An American Society of Investors survey found 30% of individual investors have used a discount broker. In a random sample of nine individuals, what is the probability:
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Ответ:
To solve this we will combine like terms (variables, constants) for our final solution.
4a+19-3a-7
4a-3a+19-7
a+12
Our simplified expression is a+12.
I hope this helps!