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expeople1 [14]
3 years ago
5

A train travels at an average speed of 18 m/s.

Mathematics
1 answer:
GrogVix [38]3 years ago
8 0

Answer:

28 seconds

Step-by-step explanation:

speed = distance/time

speed * time = distance

time = distance/speed

time = (500 m)/(18 m/s)

time = 27.777... seconds

Answer: 28 seconds

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3 years ago
Line ℓ1 has the equation
aleksley [76]

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We know that the perpendicular distance from any external point (x_{1},y_{1}) to a given straight line ax + by + c = 0 is given by the formula \frac{|ax_{1} + by_{1} + c|}{\sqrt{a^{2} + b^{2}}}.

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