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aliya0001 [1]
3 years ago
12

The customer service center in a large new york department store has determined that the amount of time spent with a customer ab

out a complaint is normally distributed, with a mean of 9.5 minutes and a standard deviation of 2.4 minutes. what is the probability that for a randomly chosen customer with a complaint, the amount of time spent resolving the complaint will be as follows. (round your answers to four decimal places.)

Mathematics
1 answer:
mamaluj [8]3 years ago
8 0
Blllaaaaaaaaaaaaaaaaaaaaaaaaa im just a kid.hahahhaha

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Solve the following system of equations , and find the ordered pair. X =-y-6 and -7x +6y=-10
Blababa [14]

Given:

There are given the equation:

\begin{gathered} x=-y-6...(1) \\ -7x+6y=-10...(2) \end{gathered}

Explanation:

From the equation (1):

Put the value of x into the equation (2):

So,

From the equation (2):

\begin{gathered} \begin{equation*} -7x+6y=-10 \end{equation*} \\ -7(-y-6)+6y=-10 \\ 7y+42+6y=-10 \\ 13y=-10-42 \\ 13y=-52 \\ y=-4 \end{gathered}

Now,

Put the value of y into the equation (1):

So,

From the first equation:

\begin{gathered} \begin{equation*} x=-y-6 \end{equation*} \\ x=-(-4)-6 \\ x=4-6 \\ x=-2 \end{gathered}

Final answer:

Hence, the ordered pair of the solution is shown below:

(-2,-4)

5 0
1 year ago
What is x, y, and z?
Taya2010 [7]

Answer:

variables

Step-by-step explanation:

Are you asking for an answer like this?

8 0
3 years ago
4 [ (16 ÷2) - 1 ]<br><br> help me please?
8_murik_8 [283]
16 / 2 = 8
8 - 1 = 7
4 x 7 = 28

Hope this helps :)
4 0
3 years ago
Read 2 more answers
PLEASE HURRY IF YOU ANSWER AND IT'S RIGHT YOU GET BRAINLYEST
mezya [45]
The answer is 130cm
5 0
3 years ago
Read 2 more answers
Given: AABC, AC = 5<br> m C = 90°<br> m A= 22°<br> Find: Perimeter of AABC<br> A<br> C<br> B
Leto [7]

9514 1404 393

Answer:

  perimeter ≈ 12.4 units

Step-by-step explanation:

The side adjacent to the angle is given. The relationships useful for the other two sides are ...

  Tan = Opposite/Adjacent

  Cos = Adjacent/Hypotenuse

From these, we have ...

  opposite = 5·tan(22°) ≈ 2.02

  hypotenuse = 5/cos(22°) ≈ 5.39

Then the perimeter is ...

  P = a + b + c = 2.02 + 5 + 5.39 = 12.41

The perimeter of ∆ABC is about 12.4 units.

7 0
2 years ago
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