Find the length of side x in the simplest radical form with a rational denominator.
1 answer:
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Answer:
z-score = 4.43,
It is a Good day
Step-by-step explanation:
The provided information is:
Mean = $28,286.28
Standard deviation = $1,500
Let x be the sell of department store on Tuesday.
Then, x = $34,924.62
The z-score is define as:
Thus, the Tuesday's z-score is 4.43. So this is usually good day.
Use the geometric mean for right triangles as the sides are related to the hypotenuse. 30 - 6 = 24. We need that for our proportion. . We cross-multiply to get
. Taking the square root of both sides gives us that
, the second choice above.
Step-by-step explanation:
remember, the denominator cannot be equal to zero if you want the domain to be valid
