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
?
?
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.
?
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
Answer: D
Mathematics
You might also like to view...
Perform the indicated operation. Write the answer in scientific notation.(2 × 108)(7 × 108)
A. 14 × 1064 B. 1.4 × 1016 C. 1.4 × 1017 D. 14 × 1017
Mathematics
Multiply. Assume all variables represent nonnegative real numbers.
? 
A. x6z8
B. x7z9
C. x6z8
D. x7z8
Mathematics
Simplify.
A. -190 B. 390 C. 290 D. -390
Mathematics
Solve the inequality and graph the solution set.
? 3
A. -9 ? h ? 6 ; [-9, 6]
B. -9 ? h ? -3 ; [-9, -3]
C. No solution
D. -9 < h < -3 ; (-9, -3)
Mathematics