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QveST [7]
3 years ago
13

Sixteen students have cell phones. Five of the cell phones have touch screens. Out of 114 students' cell phones, how many would

you expect to have touch screens? Plz include valid work.
A) 5
B) 16
C) 45
D) 90
Mathematics
2 answers:
adell [148]3 years ago
8 0

Answer: Did you mean 35 instead of 45?

Step-by-step explanation:

5/16 = x/114

then you have to cross multiply: 5 times 114 & 16 times x

it equals 16x=570

then you divide both sides by 16 so 16/16 which is 1 so x is by itself and 570 divided by 16

Answer is 35.625 --> 35

krok68 [10]3 years ago
3 0

The answer would be 5

The problem states 5 of the cell phones have touch screens

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The five-number summary for the number of teams in each of Brad's fantasy football leagues is shown in the following table.
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The correct option is (C) 10.

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The five-number summary for the number of teams in each of Brad's fantasy football leagues is as follows:

Minimum: 4

<em>Q</em>₁: 7

Median: 10

<em>Q</em>₃: 14

Maximum: 18

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The first quartile (<em>Q</em>₁) is the value that is less than 75% of the observations.

The median is the middle most value of the data set. It is the value that is less than 50% of the observations.

The third quartile (<em>Q</em>₃) is the value that is less than 25% of the observations.

And the maximum value is the largest value in the data set.

So, the five-number summary suggests that about 50% of Brad's fantasy football leagues have fewer than 10 teams.

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4 0
3 years ago
The Big Telescope Company sells circular mirrors. Their largest mirrors have radii of 5 meters and their smallest mirrors have r
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Answer: 1:5

Step-by-step explanation:

Given: The cost of every mirror is proportional to the cube of the mirror's radius.

i.e. \dfrac{\text{Cost of smallest mirror}}{\text{Cost of largest mirror}}=\dfrac{(\text{radii of smallest mirror}^3)}{\text{(radii of largest mirror)}^3}

Their largest mirrors have radii of 5 meters and their smallest mirrors have radii of 1 meter.

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Hence, the ratio of the total cost of 25 of the company's smallest mirrors to the cost of one of the company's largest mirrors = 1:5 .

5 0
3 years ago
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