Solve the problem.Approximately one-fourth of all glass bottles distributed will be recycled each year. A beverage company distributes 380,000 bottles. The number still in use after t years is given by the function N(t) = 380,000
t .After how many years will 3000 bottles still be in use? Round your answer to the nearest tenth.
A. 4.8 yr
B. 0.3 yr
C. 3.5 yr
D. 6.7 yr
Answer: C
Mathematics
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Solve the problem.A salesperson earned $275 a week plus a bonus of $21 for each service contract sold. What is the weekly pay if 5 service contracts were sold?
A. $380 B. $275 C. $480 D. $105
Mathematics
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
The length of the critical path of this project digraph is
A. 14 hours. B. 16 hours. C. 11 hours. D. 12 hours. E. none of these
Mathematics
Solve the equation.
x + 
= 
x
A. -12 B. 8 C. -8 D. 12
Mathematics
Identify the graph of the equation as an ellipse or a hyperbola. Do not graph.
- 
= 1
A. hyperbola B. ellipse
Mathematics