A total of $32,000 is invested in two municipal bonds that pay 5.75% and 6.25% simple interest. The investor wants an annual interest income of $1,900 from the investments. What amount should be invested in the 5.75% bond?
?
A. $31,800
B. $20,000
C. $32,000
D. $20,300
E. $20,100
Answer: B
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A waste water system is being installed in a small town.The large pipes required to reach from the town to the water treatment plant come in 20-foot and 24-foot lengths. The city planner finds that twelve fewer of the 24-foot pipes will be required than if the 20-foot pipes were used.What is the distance from the town to the water treatment plant?
What will be an ideal response?
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
What will be an ideal response?
Find the relative extrema of the function, if they exist.f(x) = -6x3 + 3
A. Relative minimum at (0, 3) B. Relative maximum at (0, -6) C. Relative maximum at (0, 3) D. No relative extrema exist
List all the elements of B that are elements of the given set.B = {19, 
, -23, 0, 
, 
} Whole numbers
A. 19, 0
B. 19, 0, 
, 
C. 19, -23, 0
D. 19, -23, 0, 