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11.In the following ordinary annuity, the interest is compounded with each payment, and the payment is made at the end of the compounding period. Find
11.In the following ordinary annuity, the interest is compounded with each payment, and the payment is made at the end of the compounding period.
Find the amount of time needed for the sinking fund to reach the given accumulated amount. (Round your answer to two decimal places.) $5500 yearly at 7% to accumulate $100,000.
yr
17.
Solve the system by the elimination method. (Enter your answers as a comma-separated list. If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.)x + y = 8 |
2x + 3y = 21 |
(x, y) | = | |
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18.
Formulate the situation as a system of two linear equations in two variables. Be sure to state clearly the meaning of your x- and y-variables. Solve the system by the elimination method. Be sure to state your final answer in terms of the original question. A lawyer has found 60 investors for a limited partnership to purchase an inner-city apartment building, with each contributing either $3,000 or $6,000. If the partnership raised $261,000, then how many investors contributed $3,000 and how many contributed $6,000?x | = | $3,000 investors |
y | = | $6,000 investors |
34.
Solve the linear programming problem by sketching the region and labeling the vertices, deciding whether a solution exists, and then finding it if it does exist. (If an answer does not exist, enter DNE.)Minimize | C = 5x + 25y | |||
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