Answer:
45
Step-by-step explanation:
cause its going up by little
Answer:
18432 km/h
Step-by-step explanation:
It is given that a sound wave travels through iron at a rate of 5120 m/s.
We know that
1 km = 1000 m
1 hour = 60 minutes
1 minutes = 60 second
Using these conversions we get
1 m = 0.001 km
1 hour = 3600 second
Therefore, the sound wave travels through iron at a rate of 18432 km/h.
A) 2007
b) 120
c) the donations are decreasing as years increase
Answer:
400
Step-by-step explanation:
it says average which probably means 400