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miss Akunina [59]
3 years ago
15

Please help. I don't understand how to do this. I need this asap. please

Mathematics
1 answer:
Schach [20]3 years ago
6 0

9514 1404 393

Answer:

  r = 1/9

Step-by-step explanation:

First of all, solve the equation for r:

  y = rx

  y/x = r . . . . . . . divide by x

__

Since r is a constant, it will be the same for any corresponding pairs of x and y. It is convenient to choose both x and y as integers, as in the third table entry.

  r = y/x = 5/45

  r = 1/9 . . . . . . . . . reduced fraction

_____

<em>Additional comment</em>

It is not a bad idea to check to see that this works with other values of x and y. For the first line of the table, we have x = 11:

  y = rx = (1/9)(11) = 11/9 = 1 2/9 . . . . matches the table value

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In 201620162016, the city of Rio de Janeiro had a population density of 5377\,\dfrac{\text{people}}{\text{km}^2}5377 km 2 people
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Complete question:

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