What’s the 69th term of the arithmetic sequence -13, -33, -53
1 answer:
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Answer:
Step-by-step explanation:
Convert this Quadratic Equation to Vertex Form by completing the square, :
So as you can see, each time we broke the equation down, we used the formula to complete the square.
** In the Vertex Formula, −h gives the OPPOSITE terms of what they really are, so do not forget it.
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Answer: B. 0.4772
Step-by-step explanation:
Given : The mean time :
Standard deviation :
Let X be the service time of a randomly selected customer.
Assuming a normal distribution, the value of z-score is given by :-
For x = 64
For x = 100
The p-value =
Hence, the probability that a randomly chosen customer experiences service done between 64 and 100 minutes = 0.4772