2 is the shortest and 11 is the longest
Average speed of Alishia is 19 kilometers per hour
Average speed is calculated by dividing the total distance that something has traveled by the total amount of time it took it to travel that distance. Speed is how fast something is going at a particular moment. Average speed measures the average rate of speed over the extent of a trip
Given :
Distance = 45.3 km
Time taken = 143 minutes = 143/60 =2.384 hours
∴ Average speed = 45.3/2.384 = 19 kilometers per hour
Thus the average speed of Alishia is 19 kilometers per hour.
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R: (-inf, 0]
D: all real #'s
Answer:
An acute angle.
Step-by-step explanation:
If the angle is less than 90 degrees, it would be classified as an acute angle. A 90 degree angle is called a right angle and if the angle is greater than 90 degrees that it would be an obtuse angle.
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