Find the difference and check.82 - 1.75

A. 80.925
B. 6.45
C. 80.25
D. 81.825

Answer: C

Mathematics

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Find the derivative.y =  + 4 sec x

A. y ' = -  + 4 tan2x
B. y ' = -  - 4 csc x
C. y ' = -  + 4 sec x tan x
D. y ' =  - 4 sec x tan x

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Mathematics

Use De Moivre's theorem to simplify the expression. Write the answer in the form a + bi.4

A.  + i
B.  + i
C. 81i
D.  + i

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Mathematics

Find an equation of variation for the given situation.m varies directly as p, and m = 72 when p = 9.

A. m = p
B. m = 63p
C. m = 81p
D. m = 8p

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Mathematics

Find the slope and the y-intercept of the line.4x + y + 2 = 0

A. m = 4, y-intercept: (0, 2) B. m = -4, y-intercept: (0, 2) C. m = -4, y-intercept: (0, -2) D. m = 4, y-intercept: (0, -2)

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Mathematics