A jet heads in the direction N 30° E at a speed of 400 mi/h. If the jet experiences a 20 mi/h crosswind flowing due east, find (a) the true velocity w of the jet. (b) the true speed of the jet. (c) the direction of the jet.
What will be an ideal response?
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Mathematics
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Solve the problem.Evaluate 
by using the series expansion for 
A. -1
B. 0
C. 1
D. 
Mathematics
Multiply or divide.
A. 
B. - 
C. - 
D. 
Mathematics
Multiply.(x - 0.7)(x + 0.7)
A. x2 + 0.49 B. x2 - 1.4x + 0.49 C. x2 - 0.49 D. x2 - 1.4x - 0.49
Mathematics
Solve the problem.A contractor needs to know the height of a building to estimate the cost of a job. From a point 89 feet away from the base of the building, the angle of elevation to the top of the building is found to be 
Find the height of the building. Round your answer to the hundredths place.
A. 95.11 ft B. 90.88ft C. 93.78 ft D. 89.35 ft
Mathematics