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7 November, 12:34

The employees of the company marked a grid on the floor and set the robot at left parenthesis 2 comma 3 right parenthesis (2,3). They programmed the robot to walk 33 yards east and 55 yards north each minute. What will the robot's location be after 7 minutes? Answer problems

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  1. 7 November, 14:05
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    The robot's location from its initial location after 7 minutes is (233, 386)

    Distance moved from initial location = 451.56 yards < 59.2° North-East

    Step-by-step explanation:

    Since the robot moves 33 yards east and 55 yards north each minute, the distance it moves east in 7 minutes is 33 yards/minute * 7 minutes = 231 yards.

    The distance it moves north in 7 minutes is 55 yards/minute * 7 minutes = 385 yards.

    The robot's location from its initial location after 7 minutes is (2 + 231, 3 + 385) = (233, 388)

    The distance moved from the initial location is

    r = √ (231² + 385²)

    = √ (53361 + 150544)

    = √203905

    = 451.56 yards

    Its direction is gotten from tanθ = distance moved north/distance moved east = 388/231 = 1.680

    θ = tan⁻¹ (1.680) = 59.23° ≅ 59.2°
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