davelezow72301
05.03.2021 •
Mathematics
A jet aircraft maintains a constant airspeed of 500 miles per hour in the direction due south. The velocity of jet stream is 80 miles per hour in a northeasterly direction. Find the actual speed and direction of the aircraft relative to the ground. (A northeasterly (NE) direction would be 45 degrees north of due East (E).)
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Ответ:
Step-by-step explanation:
Since MO bisect angle LMN, the angles formed are congruent:
∠LMO≅∠NMOSubstitute values and solve for x:
13x - 31 = x + 5313x - x = 53 + 3112x = 84x = 7Find the value of ∠LMN:
m∠LMN = 2*m∠LMOm∠LMN = 2(13*7 - 31) = 120°Correct option is D