# Length + absolute value - examples

1. Speed of Slovakian trains
Rudolf decided to take the train from the station 'Trnava' to 'Zemianske Kostoľany'. In the train timetables found train R 725 Remata : km0Bratislava hl.st.12:574Bratislava-Vinohrady13:0113:0219Pezinok13:1213:1346Trnava13:3013:3263Leopoldov13:4514:0168H
An airplane leaves an airport and flies due west 120 miles and then 150 miles in the direction S 44.1°W. How far is the plane from the airport (round to the nearest mile)?
3. Vector
Calculate length of the vector v⃗ = (9.75, 6.75, -6.5, -3.75, 2).
4. Segments
Which of the pairs of numbers on the number line encloses the longest segment: ?
5. Two cars
Car A1 goes at average speed of 106 km/h and the second car A2 goes at 103 km/h. How many second will it take car A1 to circulate car A2? Assume that both cars are 5 meters long and the safety gap between cars is 1.5 meters.
6. Coordinate axes
Determine the area of the triangle given by line -7x+7y+63=0 and coordinate axes x and y.

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