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Galina-37 [17]
3 years ago
6

An express train started at its home station. In 3 hours, it was 285 miles away. In 5 hours, it was 475 miles away. How fast was

the train travelling if it did not make any stops?​
Mathematics
1 answer:
Sedbober [7]3 years ago
6 0

Answer:

95 mi/hr

Step-by-step explanation:

475/5 = 95

285/3 = 95

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Step-by-step explanation:

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I hope this helps :)

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3 years ago
Suppose z is proportional to the square root of x. If z = 717 when x = 9, find the proportionality constant k.??
Dahasolnce [82]

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Step-by-step explanation:

Write the equation. Fill in the given values, and solve for the unknown,

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The constant of proportionality is 239.

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2 years ago
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andreev551 [17]

Answer:

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