Find exact value for the following:
?

?

A.
B.
C.
D.
E.


Answer: C

Mathematics

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Subtract.130 - 300

A. -170 B. -430 C. 170 D. 430

Mathematics

A plane is flying with an airspeed of 245 miles per hour with heading 276.2°. The wind currents are running at a constant 47.2 miles per hour in the direction 266.1°. Find the ground speed and true course of the plane. ? Apply the rules regarding the use of significant digits after all computations are complete. ?

A. 292 mph with heading 274.6° B. 302 mph with heading 274.6° C. 292 mph with heading 273.8° D. 292 mph with heading 294.6° E. 302 mph with heading 294.6°

Mathematics

Use a calculator to find the value of the acute angle ? to the nearest degree.sin ? = 0.8659

A. 1° B. 76° C. 60° D. 31°

Mathematics

Find an equation for the hyperbola described.Vertices at (0, ±8); asymptotes at y = ± x

A.  -  = 1
B.  -  = 1
C.   -  = 1
D.  -  = 1

Mathematics