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kakasveta [241]
1 year ago
12

A cellular phone company charges $25 per month plus 10 per minute of phone use. If a person's bill came to $38.10 for one month,

how many minutes did he use the phone?
Mathematics
1 answer:
Murljashka [212]1 year ago
4 0

The required number of minutes a person used the phone is 131 minutes.

Given that,
A cellular phone company charges $25 per month plus 10 per minute of phone use. A person's bill came to $38.10 for one month,

<h3>What is simplification?</h3>

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
Let x be the number of minutes he used the phone,
According to the question,
25 + 0.1x = 38.10
0.1x = 38.10 - 25
0.1x = 13.10
x = 13.10/ 0.1
x = 131 minutes

Thus, the required number of minutes for the given condition is 131 minutes.

Learn more about simplification here:

brainly.com/question/12501526

#SPJ1


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Answer:

The answer is

<h2>9 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

<h3>d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  }  \\</h3>

where

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From the question the points are

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The distance between them is

<h3>d =  \sqrt{ ({6 + 3})^{2} + ( { - 5 + 5})^{2}  }  \\   = \sqrt{ {9}^{2} +  0 }  \\  =  \sqrt{81}</h3>

We have the final answer as

<h3>9 units</h3>

Hope this helps you

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