Answer:
45
Step-by-step explanation:
Answer:
No.
Step-by-step explanation:
Waves are energy moving through the matter, but they leave the matter in the same place as they pass through.
Given:
Consider the complete question is "A speed walker covered
mi in
hour. How far will he walk in 3/4 hours if he walks twice as fast?"
A speed walker covered
mi in
hour.
To find:
Distance covered by him if in 3/4 hour if he walks twice as fast.
Solution:
We have,

It means a speed walker covered
mi in
hour.
If the speed is twice then he can cover double distance is same time.
Distance covered by him if in 3/4 hour if he walks twice as fast is

Therefore, distance covered by him is 9 mi.
Answer:
x= -3 , -7
Step-by-step explanation: