Solve.A plane is heading due south with an airspeed of 273 mph. A wind from a direction of 53° is blowing at 10 mph. Find the bearing of the plane. Round to the nearest degree.
A. 93°
B. 182°
C. 88°
D. 177°
Answer: B
Mathematics
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Determine whether the equation is linear.96y + 28xy = -74
A. Not Linear B. Linear
Mathematics
Factor by grouping.x3 + 2x2 + x + 2
A. (2x2 + 2)(x + 1) B. (x2 + 2)(x + 1) C. (x2 + 1)(2x + 2) D. (x2 + 1)(x + 2)
Mathematics
Solve.From a 15-inch by 15-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the squares, in inches, that are cut out. Express the volume of the box as a function of x. Graph the function and from the graph determine the value of x, to the nearest tenth of an inch, that will yield the maximum volume.
A. 2.3 inches B. 3.1 inches C. 2.5 inches D. 2.8 inches
Mathematics
Expand.(1 - 
)4 - (1 + 
)4
A. -32
B. -7
C. -55
D. -28
Mathematics