Determine whether the statement is true or false.sin 60° = 2 sin 30°
A. True
B. False
Answer: B
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Express the number in scientific notation.0.000315
A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5
In business, equipment is often depreciated using the double declining-balance method. In this method, a piece of equipment with a life expectancy of N years, costing $C, will depreciate to a value of $V in n years, where n is given by the formula
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If a computer that cost $39,000 has a life expectancy of 4 years and has depreciated to a value of $15,000, how old is it? Round to the nearest tenth.
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A. 2.5 years old B. 0.7 years old C. 0.6 years old D. 1.4 years old E. 1.5 years old
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Solve the system by the substitution method or the addition method.
A. (9, -6) B. (12, 3) C. (3, -5) D. (5, 3)