Solve the problem.A plane is heading due south with an airspeed of 192 mph. A wind from a direction of 53.0° is blowing at 13.0 mph. Find the bearing of the plane. (Note that bearings are measured from north, clockwise.) Round results to an appropriate number of significant digits.
A. 92°
B. 87°
C. 178°
D. 183°
Answer: D
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Evaluate the expression.71
A. 7
B. 1
C. -7
D.
Find the center, transverse axis, vertices, foci, and the equations of the asymptotes of the hyperbola. -
= 1
A. center: (3, -3)
transverse axis: x = 3
vertices: (3, -5) and (3, -1)
foci: (3, -3 - 2) and (3, -3 + 2
)
asymptotes: y + 3 = - (x - 3) and y + 3 =
(x - 3)
B. center: (-3, 3)
transverse axis: y = 3
vertices: (-3, 1) and (-3, 5)
foci: (-3, 3 - 2) and (-3, 3 + 2
)
asymptotes: y + 3 = - (x - 3) and y + 3 =
(x - 3)
C. center: (3, -3)
transverse axis: y = -3
vertices: (5, -4) and (4, 0)
foci: (5, -2 - 2) and (4, -2 + 2
)
asymptotes: y + 3 = - 3(x - 3) and y + 3 = 3(x - 3)
D. center: (3, -3)
transverse axis: x = 3
vertices: (3, -3 - 2) and (3, -3 + 2
);
foci: (3, -5) and (3, -1)
asymptotes: y + 3 = - 3(x - 3) and y + 3 = 3(x - 3)
Solve for the indicated variable.Solve for y.2x2 - 4xy + 3y2 = 1
A. y =
B. y =
C. y =
D. y =
Rewrite the expression as a sum, difference, or product of simpler logarithms.log6 xy
A. log6 x + log6 y B. log3 x + log3 y C. log3 x - log3 y D. log6 x - log6 y