Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Solve the problem.The mathematical model C = 500x + 60,000 represents the cost in dollars a company has in manufacturing x items during a month. Based on this model, how much does it cost to produce 700 items?
A. $350,000
B. $
C. $120
D. $410,000
Mathematics
Evaluate -x for the given value of x.x = 2.577
A. -3 B. -2.577 C. 2.577 D. -2
Mathematics
Subtract.5 - 13
A. 8 B. -8 C. -18 D. 18
Mathematics
Write the number in scientific notation.In the metric system of measurement, the prefix mega- means 1,000,000. Write this number in scientific notation.
A. 10 × 105 B. 1 × 10-6 C. 0.1 × 10-5 D. 1 × 106
Mathematics