Objective 2.14 or 2.17 Edmonds Community College's (EDCC) scholarship fund received a gift of $ 425,000.
The money is invested in stocks, bonds, and CDs.
CDs pay 2% interest, bonds pay 5.8% interest, and stocks pay 12% simple interest.
To better secure the total investment EDCC invests 4 times more in CDs than the sum of the stocks and
bonds investments
If the annual income from the investments is $13,590 , how much was invested in each vehicle?
solve by the method of your choice either using reduced row echelon form or the matrix equation. Round
answers to the nearest thousand. EDCC invested
$
in stocks
si
in bonds
$
in CDs
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Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60

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