Express the sum in the simplest form 3x/x+5 + 7/x+5
2 answers:
<h2>Answer:</h2>
The sum of the given expression in simplest form is:
We are asked to sum up two rational function.
The first rational function is:
and the other i.e. second rational function is given by:
Now, on adding these two i.e.
Since both the terms have the same denominator.
Hence, the denominator is taken as one and the quantities in the numerator are added up.
Hence, the expression is given by:
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Answer:
The number of games must a store sell in order to be eligible for a reward is 135.
Step-by-step explanation:
Let the random variable <em>X</em> represent the number of video games sold in a month by the sores.
The random variable <em>X</em> has a mean of, <em>μ</em> = 132 and a standard deviation of, <em>σ</em> = 9.
It is provided that the company is looking to reward stores that are selling in the top 7%.
That is, .
The <em>z</em>-score related to this probability is, <em>z</em> = 1.48.
Compute the number of games must a store sell in order to be eligible for a reward as follows:
Thus, the number of games must a store sell in order to be eligible for a reward is 135.
