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garik1379 [7]
3 years ago
11

Suppose a 15-minute call costs $5.26, and a 30-minute call costs $10.24. Find a formula relating time (in minutes) and cost (in

dollars).
How do you do this???
Mathematics
1 answer:
musickatia [10]3 years ago
4 0
If 15 minutes is $5.26 then 1 minute is 35¢ so the equation is y=.35t. But 30 minutes is $10.24 so 1 minute would be 34¢ so the equation would be y=.34t.
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mina [271]

Answer:

A. 5.8

Step-by-step explanation:

From the given graph d has two coordinates;

the first coordinates of d = (0, 0)

the second coordinate of d = (-3 , -5), that is x = -3 when traced up and y = -5 when traced horizontal

The distance between the two coordinates = distance of d;

distance \ between \ two \ coordinates = \sqrt{(x_2-x_1)^2 \ + \ (y_2-y_1)^2} \\\\d =  \sqrt{(-3-0)^2 \ + \ (-5-0)^2}\\\\d = \sqrt{9 \ + \ 25} \\\\d = \sqrt{34} \\\\d = 5.83\\\\d = 5.8

Option A is correct

6 0
3 years ago
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Answer:

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Step-by-step explanation:

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7 0
2 years ago
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elena-s [515]

Answer:

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Step-by-step explanation:

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3 years ago
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nevsk [136]

Answer:

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Step-by-step explanation:

i believe this is correct.

7 0
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Please help me with this<br> simplify sqrt24w^14
Serjik [45]

Answer:

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Step-by-step explanation:

what I can read here, you need to simplify

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3 years ago
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