9189.15 ft (this is the answer and I have not rounded it)
2<span>6 x 7 = 182 now divide that by 16 and your answer is 11.375 round that up to 12.</span>
Answer:
the answer should be B
Step-by-step explanation:
Answer:
The solutions are 
Step-by-step explanation:
we have

Complete the square. Remember to balance the equation by adding the same constants to each side


Rewrite as perfect squares

square root both sides


Given :
A sailor is 30 m above the water in the crow's nest on a sailboat.
The sailor encounters an orca surface at an angle of depression of 15 degrees.
The crows nest is 20 m horizontally from the bow (front) of the boat.
To Find :
How far in front of the boat is the orca.
Solution :
Let, distance of boat front from the crow's nest is x.
So,

Hence, this is the required solution.