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Art [367]
3 years ago
5

the distance between two cities is 400000 meters. If the train travels at a speed of 80 kilometers per hours, how long will it t

ake the train to travel from one city to the next
Mathematics
1 answer:
Taya2010 [7]3 years ago
5 0

Answer:

5  hours.

Step-by-step explanation:

  • If the train travels at a speed of 80 kilometers per hour, and a kilometer is equivalent to 1000 meters, then the train travels at a speed of 80\times1,000=80,000m
  • Then, to reach the 400,000 meters, it will take \frac{400,000}{80,000} =5, 5 hours.
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<h3>Solution:</h3>

{p}^{2}  + 8 - 8p - p \\  =  {p}^{2}  - p  - 8p + 8 \\  = p(p - 1) - 8(p - 1) \\  = (p - 1)(p - 8)

<h3>Answer:</h3>

(p - 1)(p - 8)

<h3>Hope it helps..</h3>

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