Solve the problem.At an altitude of 3100 ft, the engine on a small plane fails. What angle of glide is needed to reach an airport runway that is 5 miles away by land? (Round your answer to the nearest tenth of a degree.)
A. 88.9°
B. 89.9°
C. 6.7°
D. 7.7°
Answer: C
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Provide an appropriate response.Addition problems arise in everyday living. Make up an addition problem that might occur when planning a party, and name the conceptual model of addition that best corresponds to your problem.
What will be an ideal response?
Solve the problem.A ship sailing parallel to shore sights a lighthouse at an angle of 15° from its direction of travel. After traveling 2 miles farther, the angle is 25°. At that time, how far is the ship from the lighthouse?
A. 1.22 mi B. 2 mi C. 4.87 mi D. 2.98 mi
Solve and graph the inequality. Give answer in interval notation.8 + 6x + 2 ? 5x + 7
A. (6, ?)
B. (-?, -3]
C. (-?, 6)
D. [-3, ?)
Decide whether an expression or an equation is given.3t + 3 = 6
A. expression B. equation