Solve the equation by completing the square.16a2 + 1 = 5a

A.
B.
C.
D.


Answer: D

Mathematics

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Write the sum or difference as a product containing only sines and/or cosines.cos(6?) - cos(2?)

A. -2 sin(4?) sin(2?) B. -2 cos(4?) sin(2?) C. 2 cos(4?) cos(2?) D. 2 cos(2?)

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In a 30°–60° right triangle the length of the longer leg is the product of the shorter leg and

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A. 910,000 B. 900,000 C. 1000,000 D. 800,000

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