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creativ13 [48]
3 years ago
10

A subway train makes six stops of equal length during its 21 km run. The train is actually moving for 20 minutes of the trip. At

most how long can the train remain at each station if the average speed for the trip, including stops, is to be at least 36 km/hr?
\frac{d}{t}  = r
​
Mathematics
1 answer:
photoshop1234 [79]3 years ago
3 0

Answer:

The subway train can stop for a maximum of 2.5 minutes on each stop.

Step-by-step explanation:

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Answer:

The equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4) is x=-5

Option A is correct.

Step-by-step explanation:

We need to find equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4)

We need a line parallel to x=-2 or x+2=0 it should be of form x+k=0

We need to find k, by putting value of x=-5 as given in question the point(-5,4)

-5+k=0

k=5

So, the equation of line will be found by putting k=5:

x+k=0

x+5=0

x=-5

So, the equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4) is x=-5

Option A is correct.

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Step-by-step explanation:

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