Solve the problem.If tan ? = 1.0, find the value of tan ? + tan (? + ?) + tan (? + 2?).
A. 3 + 3?
B. 3
C. 5
D. undefined
Answer: B
Mathematics
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Solve the equation.0.31(x + 20) + 0.42(x + 85) = -34.75
A. {65} B. {-105} C. {105} D. {-65}
Mathematics
Perform the indicated clock arithmetic.(-7) ? 6 (12-hr clock)
A. 6 B. Does not exist C. 4 D. 5
Mathematics
Find an equation of variation if the following conditions exist.Suppose y varies directly as x and y = 0.1 when x = 0.8.
A. y = 
x
B. y = 
C. y = 8x
D. y = - 
Mathematics
Factor the polynomial completely. If the polynomial is prime, so state.x3 - 10x - 3x2
A. x(x + 5)(x - 2) B. x(x - 5)(x - 2) C. x(x + 5)(x + 2) D. x(x - 5)(x + 2)
Mathematics