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
?
?
A word processor worth $460 when new had a life expectancy of 12 years. If it is now worth $40, how old is it?
?
Please enter your answer as a number without the units, rounded to one decimal place.
Fill in the blank(s) with the appropriate word(s).
13.4
You might also like to view...
Write the inequality obtained by performing the indicated operation on the given inequality.Subtract 5 from each side of the inequality 2 + 3x ? 2.
A. -3 + 3x ? -3 B. -3 - 2x ? -3 C. -3 - 2x ? -3 D. -3 + 3x ? -3
Describe how the graph of the equation relates to the graph of y = x2.f(x) = 
x2 - 6
A. vertical stretching by a factor of 5 and a translation 6 units down
B. vertical shrinking by a factor of 
and a translation 6 units to the left
C. vertical stretching by a factor of 5 and a translation 6 units to the right
D. vertical shrinking by a factor of 
and a translation 6 units down
Find the real solutions of the equation.
= x + 5
A. {8}
B. {3}
C. {-3}
D. {- 
}
Provide an appropriate response.A student added two mixed numbers in the following way: 5
+ 3
= 8
Explain in your own words what is wrong with the answer and give the correct answer.
What will be an ideal response?