Find the hypotenuse,c, of the triangle!
1 answer:
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Answer:
a) The person traveled 2.83 hours.
b) The person travels 220.17 kilometers.
Step-by-step explanation:
We have that the speed is the distance divided by the time. Mathematically, that is
(a) how much time is spent on the trip and
The peron's average speed is 77.8 km/h, which means that
The person distance traveled is:
22 min is 22/60 = 0.37h.
So for the time t1, the person traveled at a speed of 89.5 km/h. Which has a distance of 89.5*t1.
For 0.37h, the person was at a stop, so she did not travel. This means that the total distance is
The total time is the time traveling t and the stoppage time 0.37. So
We want to find t1, which is the time that the person was driving.
So
The total time is
The person traveled for 2.83 hours.
(b) how far does the person travel?
The person traveled 2.46 hours at an average speed of 77.8 km/h. So
The person travels 220.17 kilometers.