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joja [24]
2 years ago
11

Students in a world geography class want to determine the distances between cities in Europe. The map gives all

Mathematics
1 answer:
galina1969 [7]2 years ago
4 0

Using a proportional relationship, we have that:

  • a) The constant of proportionality is of 0.625, hence the equation is: y = 0.625x.
  • b) The distance of two cities that are 5 miles apart is of 8 kilometers.
  • c) When they are 200 kilometers apart, we have that the distance in miles is of y = 0.625(200) = 125.

<h3>What is a proportional relationship?</h3>
  • A <em>proportional relationship</em> is a function in which the <u>output variable is given by the input variable multiplied by a constant of proportionality</u>, that is:.

y = kx

  • In which k is the constant of proportionality.

Item a:

From the graph, when x = 8, y = 5, hence:

y = kx

5 = 8k

k = \frac{5}{8}

k = 0.625

The constant of proportionality is of 0.625, hence the equation is: y = 0.625x.

Item b:

From the graph, when y = 5, x = 8, hence:

  • The distance of two cities that are 5 miles apart is of 8 kilometers.

Item c:

When they are 200 kilometers apart, we have that the distance in miles is of y = 0.625(200) = 125.

You can learn more about proportional relationship at brainly.com/question/13550871

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monitta
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3 years ago
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Lapatulllka [165]

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Step-by-step explanation:

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weeeeeb [17]

Answer:

Hello Ipadguy1806, the answer is 14.5 and the equation is Y=14.5 x X

Step-by-step explanation:

Firstly, i did was divide 29 by 2 and did the exact same thing but like 43.5 divided by 3 and 58 divided by 4. All of those numbers i divided got me 14.5. Check it yourself.



PS: I know you in real life and in playstation XD.

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