Answer:
1 lap in 8/10 (4/5) of a minute
Answer is B, 8/10 minute! or 4
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Step-by-step explanation:
Answer:
79° is the measure of the required angle
since it is the vertically opposite angle of AOB.
Answer:
Therefore the rate change of height is
m/s.
Step-by-step explanation:
Given that a vertical cylinder is leaking water at rate of 4 m³/s.
It means the rate change of volume is 4 m³/s.

The radius of the cylinder remains constant with respect to time, but the height of the water label changes with respect to time.
The height of the cylinder be h(say).
The volume of a cylinder is 


Differentiating with respect to t.

Putting the value 



The rate change of height does not depend on the height.
Therefore the rate change of height is
m/s.
Answer:
x = -3
Step-by-step explanation:

Answer:
all work is shown and pictured