Solve the problem.A formula for calculating the distance, d, one can see from an airplane to the horizon on a clear day is 
where x is the altitude of the plane in feet and d is given in miles. How far can one see in a plane flying at 27,000 feet? Round your answer to the nearest tenth mile, if necessary.
A. 200.5 mi
B. 1647 mi
C. 16,470 mi
D. 181.5 mi
Answer: A
You might also like to view...
Solve the problem.A swimming pool has a rectangular base 14 ft long and 28 ft wide. The sides are 6 ft high, and the pool is full of water. How much work will it take to lower the water level 2 feet by pumping the water out over the top of the pool? Assume that the water weighs 
Give your answer to the nearest ft ? lb.
A. 48,922 ft ? lb B. 24,461 ft ? lb C. 440,294 ft ? lb D. 880,589 ft ? lb
Simplify.(-3xy)4
A. -12xy B. 81xy C. -12x4y4 D. 81x4y4
Provide an appropriate response.Are both 
and 
natural numbers, integers, or irrational numbers?
A. Integers B. Natural numbers C. Irrational numbers D. None of the above
Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is shifted 3 units to the left. This graph is then vertically shrunk by a factor of 
and reflected across the x-axis. Finally, the graph is shifted 7 units downward.
A. y = - 
(x - 3)2 + 7
B. y = - 
(x + 3)2 - 7
C. y = 
(x - 3)2 - 7
D. y = - 
(x - 3)2 - 7