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il63 [147K]
4 years ago
10

Alicia drives her car 287.5 miles in 5 hours. What is the constant of proportionality that relates the total number of miles, y,

to the number of hours, x? 0.02 57.5 287.5 5
Mathematics
1 answer:
Sphinxa [80]4 years ago
5 0

Answer:

  57.5

Step-by-step explanation:

The constant of proportionality is "k" in the equation ...

  y = kx

It can be found from values of x and y using ...

  k = y/x

For the given values, it is ...

  k = (287.5 mi)/(5 h) = 57.5 mi/h

The constant of proportionality relating miles to hours is 57.5.

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swat32

Answer:

Number of messages sent by Chau = 15

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Step-by-step explanation:

Let number of messages sent by Chau = c

Number of messages sent by Kareem = 4 times as Chau

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Number of messages sent by Jessica = 6 fewer messages than Chau

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Total messages = 84

<u>c + 4c + c</u> - 6 = 84                {Combine like terms}

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6c  = 84 + 6

6c = 90   {Divide both sides by 6}

c = 90/6

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