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ANTONII [103]
1 year ago
7

Clive has a phone plan where he pays double his base per minute rate for any additional minute spent on a call over twenty minut

es.
Determine and define the variables needed to model the situation
Mathematics
1 answer:
Sidana [21]1 year ago
6 0

The two variables that we should use are:

  • x = number of minutes that the call lasted.
  • y = cost of that call.
<h3>What variables should we use?</h3>

Here we want to study a relation between the cost per call as the function of the minutes that the call lasted.

So, we need to use two variables, x will be the number of minutes that call lasted, this is the independent variable.

And the variable that depends on that should be the cost of the call, let's say, y is the cost of the call.

These are the two variables that we need to model the situation:

y = f(x)

There says:

<em>"The cost of the call is a </em><em>function </em><em>of the number of minutes that the call lasted".</em>

<em />

If you want to learn more about functions, you can read:

<em>brainly.com/question/4025726</em>

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Step-by-step explanation:

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3 years ago
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What is the value of 6 – (-8) + (-12) + 4?​
zubka84 [21]

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2 years ago
You buy a watch for $60. There is a 6% sales tax. What is your total cost for the<br> watch?
lara [203]

Answer:

$63.3

Step-by-step explanation:

You buy a 60 dollar watch.

60

There is a 6 percent tax. When adding tax, multiply the 6 percent by the original amount.

60 x 0.06

3.6

Add the tax to the original amount.

60 + 3.6 = 63.3

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3 years ago
The probability that a student uses Smarthinking Online Tutoring on a regular basis is 0.31 . In a group of 21 students, what is
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Step-by-step explanation:

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Where:

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r = variable outcome being determined which in this case = 5

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P(X=5) = 0.0241

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