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2 years ago

The graph below displays a fire department's

Mathematics

1 answer:

ANEK [815]1 year ago

3 0

The interval that contains the median response time is; 50 - 60 seconds

<h3>What is the median of the histogram?</h3>

The median of a histogram is defined as the middle element of the histogram.

Now, in this histogram given, we see that the y-axis is for the relative frequency, while the x-axis is the Response time (in seconds).

Observing this histogram closely, it is clear that the response times are all symmetrical around the interval 50 - 60 seconds as it is also the middle element of the histogram.

Thus, we can conclude that the interval that contains the median response time is; 50 - 60 seconds

Read more about Histogram Median at; brainly.com/question/26046231

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3 years ago

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13. $\frac{\sqrt[5]{x^4} }{x}$ .

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Step-by-step explanation:

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3 years ago

Printing machine A and printing machine B print the same newspaper printout, but machine B prints at half the rate of machine A.

klemol [59]

Answer:

The answer is below

Step-by-step explanation:

Let us assume the rate of printing in machine A is x per hour and the rate for machine B is y. Given that machine B prints at half the rate of machine A, therefore:

y = (1/2)x (1)

Also, both machine produces 200 newspaper printouts, and both operate at different times for a total of 4 hours. Therefore:

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Put y = (1/2)x in equation:

$\frac{200}{x}+\frac{200}{(\frac{1}{2} )x}=4\\ \\ \frac{200}{x}+\frac{400}{x}=4\\\\Multiply\ through\ by\ x:\\\\200+400=4x\\\\4x=600\\\\x=150$

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4 years ago