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A retired couple has up to $30000 to invest in fixed-income securities.
There broker recommends investing in two bonds: one in AAA bond yielding 8%; the other a B+ bond paying 12%. After some consideration, the couple decides to invest at most $12000 in the B+-rated bond and atleast $6000 in the AAA bond.
They also want the amount invested in the AAA bond to exceed or equal the amount invested in the B+ bond.
What should the broker recommend if the couple wants to maximise the return on their investment?
Find the dool little LU decomposition ofthe matrix without doing any row interchanges. Use your LU decomposition to calculate the determinant of A and the third columnof A-1.
A plane flies 420 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 22 mph, what is the speed of the plane in still air?
The media access control (MAC) address of a network interface is a unique address. Each network interface relating to its MAC fits the criteria of a function because each device has its own, unique MAC address. Describe an everyday situation in your ..
Find the rule for a function that computes the area of the triangle as a function of x. Describe the largest possible domain of this function.
a concrete cures it gains strength. the following data represent 7 days and 28 day strength in pounds per square inch
The function below is broken.
The x- and y-coordinates of a moving particle are given by two parametric equations.. X= 2t^2+t Y= 2-5t
A student has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to an early morning class. One day it took the student 21 minutes to get to class. How many stan..
From what I have seen, the longest length of a repeating sequence for an irrational number is c-1 for a=b/c. This occurs when c is a prime. How does one prove this? Can you give mathematical proof for this?
Travelling 260 miles east of a town, John average speed is 60 mph until he came upon an accident site which reduced his speed 20mph. His trip took him 7 hours to complete, how many miles did John travel at the reduce speed.
while everyone dreams of high interest rates for investments usually high interest rates come with other disadvantages.
determine the dimensions of the box that can be constructed at minimum cost.
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