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andrezito [222]
3 years ago
6

In order to help decide when and where to advertise, an electronics repair company decided to pull invoices and tally what types

of products were repaired. There were twenty-five products repaired that month. Construct a frequency distribution for the data. Products Repaired DVD Player TV Radio MP3 Player DVD Player MP3 Player Blu-ray Player DVD Player Blu-ray Player MP3 Player Blu-ray Player DVD Player MP3 Player DVD Player Blu-ray Player TV MP3 Player Blu-ray Player TV DVD Player Blu-ray Player Radio DVD Player Radio Blu-ray Player
Mathematics
1 answer:
Cerrena [4.2K]3 years ago
5 0

Answer:

Products Repaired                    Frequency

DVD Player                               7

TV                                             3

Radio                                         3

MP3 Player                                5

Blu-ray Player                             7

                                                  Total = 25

Step-by-step explanation:

Frequency distribution table represent the information of a data in a tabular form telling us about the items present in the sample and the number of times it occur.

Each item was picked from the list and written under 'Products repaired' then the number of times each item appeared is the frequency.

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Answer:

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Step-by-step explanation:

First we must first have the clear concept that speed=\frac{distance}{time} or s=\frac{d}{t}

Our question is the speed of the cars then the variable to clear will be s.

Let's raise the equation for each car taking into account that we have the following data:

Car 1: s_{1}=s+1 , t_{1}=2 and d_{1}= d_{2}

Car 1: s_{2}=s-10 , t_{2}=3 and d_{1}= d_{2}

The two cars travel the same distance so we will raise the distance formula for each car and then match them.

<em>Car 1</em>

d_{1}=s_{1}*t_{1}

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d_{1}=2s+2

<em>Car 2</em>

d_{2}=s_{2}*t_{2}

d_{2}=(s-10)*3

d_{2}=3s.30

d_{1}=d_{2}

2s+2=3s-30

2+30=3s-2s

32=s

The speed of the cars is 32 km/hr

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