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 dollars, will depreciate to a value of V dollars in n years, where n is given by the formula:
A computer that cost $12,000 has a life expectancy of 5 years. If it has depreciated to a value of $1,800, how old is it? Round the answer to the nearest tenth of the year.
A. 3.7 years old
B. 5.3 years old
C. 2.2 years old
D. 3.0 years old
E. 4.1 years old
Answer: A
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Use the chart to answer the question.The NSC (Not So Consistent) Corporation has just completed its first year of business. The following chart shows its monthly profit (or loss). Month Profit (Loss) in DollarsJanuary -14,526February 1874March -8977April -14,107May 14,073June 14,632July -13,834August -13,170September -4860October 6630November -3338December-974Which month had the greatest profit?
A. October B. May C. February D. June
Multiply and reduce answers to lowest terms. Write improper fractions as whole or mixed numbers.
? 
? 
A. 
B. 
C. 
D. 
Round the decimal to the given place value.28.8869 (nearest thousandth)
A. 28.897 B. 28.877 C. 28.887
Identify and graph the polar equation.r = 4 cos 3?
A. rose with 4 petals
B. rose with 3 petals
C. rose with 3 petals
D. rose with 4 petals