Answer is B, 21.6
Let me know if you need an explanation
Answer:
No because he only won 3/4 not more than 3/4
Step-by-step explanation:
So the part where it says I have won more than 75% of all the games I have played, it is saying he has won more than 75% or 3/4? Which he only won 3/4 not more. 75% is equal to 3/4.
Answer:
Light is moving at the speed = 77.78 km/min
Step-by-step explanation:
Given:
Distance between island and point P = 5 km
Moving along the the shoreline when it is 1 km from P.
So, x = 1
From the above statement light makes seven revolutions per minute.
Therefore,
Solution:
From the given figure.

Substitute x = 1
-------------------(1)
Now, first we differentiate both side with respect to t.

Using chain rule.



Substitute
from equation 1.


Substitute 

Applying cross multiplication rule.


Therefore, light is moving along the shore at the speed of 77.78 km/min