A jet is flying through a wind that is blowing with a speed of 56 mi/h in the direction N 40 E. The jet has a speed of 708 mi/h in still air, and the pilot heads the jet in the direction N 35 E. Find the true speed of the jet.

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2