Write an equation to describe the variation. Use k for the constant of proportionality.p varies directly as q and inversely as the square of r.
A. p = 
B. pqr2 = k
C. p + q - r2 = k
D. p = 
Answer: D
Mathematics
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Write the first five terms of the sequence {an}.a1 = 1, an + 1 = 
A. 1, 3, 5, 7, 9 B. 1, 2, 4, 8, 16, 32 C. 1, 1, 1, 1, 1 D. 1, 2, 4, 8, 16
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Solve the equation on the interval [0, 2?).cos2 x + 2 cos x + 1 = 0
A. 
, 
B. 
, 
C. 2?
D. ?
Mathematics
Provide an appropriate response.Describe three factors that determine the premium charged for fire insurance.
What will be an ideal response?
Mathematics
Solve the system.
A. (6, -5), (5, -6) B. (-6, -5), (-5, -6) C. (6, 5), (5, 6) D. (-6, 5), (-5, 6)
Mathematics