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Leokris [45]
3 years ago
10

A phone company charges $0.50 per minute and a connection fee of $1. If you were to represent the total cost y of an x minute ca

ll, which of the two fees would be the slope of the line?
Mathematics
1 answer:
klasskru [66]3 years ago
4 0

Answer:

Per minute value fee would be the slope of the line.

Step-by-step explanation:

Given:

Per minute charges by the phone company = $ 0.50

Connection fee (fixed) charged by company = $ 1.0

We have to represent the total cost in terms of y and also explain the slope of the line.

According to the question:

Let the number of minutes be "x" .

And the total cost charged be "y" .

So,

The total cost = (No. of minutes)(Per minute charge) + Connection fee

Re-arranging in term of x and y.

⇒ total\ cost = (no.\ of\ minutes)(per\ minute\ charge) + connection\ fee

⇒ y=0.50(x)+1   ...equation (i)

Slope- intercept form: y=m(x) +b  m is the slope and b is the y-is   intercept.

⇒ Comparing equation (i) with the slope- intercept form.

⇒ m=0.50  and  b=1

So,

The slope of the line is 0.50 which is also represented by the per minute value of the call.

Per minute value fee would be the slope of the line.

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Answer:

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Step-by-step explanation:

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Answer:

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  [d] Substitution is used to replace the variable l with a value of 20.

  [e] The subtraction property of equality is used to isolate the term with the variable w.

Step-by-step explanation:

     To figure out which steps of the solution are true, let us solve.

2 l plus 2 w equals 62 -> 2l + 2w = 62

----

2l + 2w = 62

2(20) + 2w = 62  <- Substitution is used to replace the variable l with a value of 20.

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<em>    Read more about </em><em>this question</em><em> here:</em>

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Answer:

Step-by-step explanation:

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Slope = \frac{y_2-y_1}{x_2-x_1}

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Slope 'm_2' = \frac{6+8}{8-8} = ∞

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Since, angle between the x-axis and y-axis is 90°,angle at the intersection  point between the lines parallel to x and y axis will be 90°.

These lines are perpendicular to each other.

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Answer:

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Step-by-step explanation:

hope this helps

6 divide by 100= 0.06

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Answer:

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