Simplify the expression.251/2
A. 2.5
B. 20
C. 10
D. 5
Answer: D
Mathematics
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Perform the operation and reduce the answer to lowest terms.14
- 
A. 97
B. 1
C. 
D. 13
Mathematics
Solve the problem.A lumber yard has fixed costs of $2228.70 per day and variable costs of $0.54 per board-foot produced. Lumber sells for $2.24 per board-foot. How many board-feet must be produced and sold daily to break even?
A. 801 board-feet B. 874 board-feet C. 4127 board-feet D. 1311 board-feet
Mathematics
Determine for what numbers, if any, the given function is discontinuous.f(x) = -3 cos x
A. -3 B. 1 C. 0 D. None
Mathematics
Evaluate the trigonometric function. Round your answer to four decimal places. ? cot 171° ?
A. -5.3138 B. -4.3138 C. -6.3138 D. -3.3138 E. -5.8138
Mathematics