Answer:
14 feet.
Step-by-step explanation:
Use the tangent function:
a = length of antenna:
a = 14.09538931 ≈ 14
Answer: Speed in miles per hour is 45 mph.
Step-by-step explanation:
Since we have given that
Distance covered = 15 miles
Time taken to cover the above mentioned distance = 20 minutes
We need to calculate the speed in miles per hour ,
As we know the formula for " Speed " i.e.
Now, we will put the value of distance and time in the above formula:
Hence, Speed in miles per hour is 45 mph.
They will be there for 40 minutes because 25+15 is 40