Answer:
The sound takes time to go to a point and reflect back to your position.
It means the sound went twice a distance.
=> Suppose it takes about 0.5 seconds to hear the echo, the canyon wall would be [750 x (0.5/3600)]/2 = 0.052 miles
=> Suppose it takes about n seconds to hear the echo, the canyon wall would be [750 x (n/3600)]/2 miles
Hope this helps!
:)
Answer:
See below.
Step-by-step explanation:
In the UK is called Congruence by 2 angles and a corresponding side. In the USA it goes by the acronym AAS.
Speed of the train : distance traveled / time of the travel = 10.1/(0.5)=20.2 mph
First add three than minus two
Answer:
Step-by-step explanation:
Anyone who uses Latex as well as you do, shouldn't have any trouble with this question.
4^2: 4 * 4 = 16
9^3: 9 * 9 * 9 = 729
729 + 16 = 745