1. [-/5 Points] DETAILS Compute the simple interest IN for the specified length of time and the future value FV at the end of that time (in dollars). Round all answers to the nearest cent. $13,500 is invested for 7 months at 7% per year. INT = $ FV = $ Need Help? Read It Watch it 2. [-/5 Points] DETAILS Investments Compute the specified quantity. A corporate bond paying $3,000 after 24 weeks earns 0.04% simple interest per week. How much did it cost to buy? (Round your answer to the nearest cent.) Need Help? Read It 3. [-/5 Points] DETAILS The following table lists several corporate bonds issued during a particular quarter. Goldman Wells Company AT&T Bank of General Verizon America Electric Sachs Fargo Time to Maturity 10 10 3 8 [years) Annual 2.40 4.00 5.2 6.15 6.15 2.50 Rate (%) If the General Electric bonds you purchased had paid you a total of $8,840 at maturity, how much did you originally invest? (Round your answer to the nearest dollar.) $ Need Help? Read It4. [-/5 Points] DETAILS Calculate, to the nearest cent, the future value FV (in dollars) of an investment of $10,000 at the stated interest rate after the stated amount of time. 2% per year, compounded annually, after 11 years FV = $ Need Help? Read It Watch it 5. [-/5 Points] DETAILS Calculate, to the nearest cent, the present value of an investment that will be worth $1,000 at the stated interest rate after the stated amount of time. HINT [ See Quick Example 4.] 4 years, at 3.1% per year, compounded weekly (52 times per year) PV = $ Need Help? Master it 6. [-/5 Points] DETAILS Find the effective annual interest rate / (as a percent) of the given nominal annual interest rate. Round your answer to the nearest 0.01%. 3% compounded monthly Need Help? Read It Watch it 7. [-/5 Points] DETAILS Find the amount accumulated FV in the given annuity account. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest cent.) $1,600 is deposited quarterly for 20 years at 6% per year FV = $18. [-/5 Points] DETAILS MY NOTES Find the periodic payments PMT necessary to accumulate the given amount in an annuity account. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest cent.) $60,000 in a fund paying 6% per year, with quarterly payments for 20 years PMT = $ Need Help? Read It Watch It 9. [-/5 Points] DETAILS MY NOTES Find the present value PV of the annuity account necessary to fund the withdrawal given. HINT [See Quick Example 3.] (Assume end-of-period withdrawals and compounding at the same intervals as withdrawals. Round your answer $2,100 per quarter for 15 years, if the account earns 6% per year PV = $ Need Help? Read It 10. [-/5 Points] DETAILS MY NOTES Determine the periodic payments PMT on the given loan or mortgage. (Round your answer to the nearest cent.) $300,000 borrowed at 7% for 2 years, with quarterly payments PMT = $ Need Help? Read It Watch It 11. [-/5 Points] DETAILS MY NOTES Find all solutions of the given system of equations and check your answer graphically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer in terms of x, where y = y(x).) 5x + y = 10 -5x + y = 10 (x, y) = (12. [-/5 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find all solutions of the given system of equations and check your answer graphically. HINT [First eliminate all fractions and decimals.] (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer in terms of x, where y = y(x).) = 1 y = -3 (x, y) = Need Help? Read It Watch It 13. [-/5 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use Gauss-Jordan row reduction to solve the given system of equations. (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer using the parameters x, y, and/or z.) X = 0 = 4 (x, y, z) = Need Help? Read It 14. [-/5 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER In Example 2 we saw that Airbus A330-300s seat 330 passengers and cost $250 million each, Boeing 767-300ERs seat 270 passengers and cost $200 million each, while Boeing Dreamliner 787-9s seat 240 passengers and cost $250 million each. You are the purchasing manager of an airline company and have a spending goal of $4050 million for the purchase of new aircraft to seat a total of 5130 passengers. Your company has a policy of supporting U.S. industries, and you have been instructed to buy twice as many Boeings as Airbuses. Given the selection of three aircraft, how many of each should you order? Airbus A330-300s Boeing 767-300ERS Boeing Dreamliner 787-9s15. [-/5 Points] DETAILS MY NOTES Investing: Lesser-Known Stocks The following question is based on the following information about the stocks of Whitestone REIT, HCC Insurance Holdings, Inc., and SanDisk Corporation, Price Dividend Yield ($) (% ) WSR (WSR Whitestone REIT) 16 7 HCC (HCC Insurance Holdings, Inc.) 56 2 SNDK 2 (SanDisk Corporation) You invested a total of $8,400 in shares of the three stocks at the given prices, and expected to earn $248 in annual dividends. If you purchased a total of 200 shares, how many shares of each stock did you purchase? WSR shares HCC shares SNDK shares Need Help? Read It 16. [-/5 Points] DETAILS MY NOTES Find the future value of the investment. (Round your answer to the nearest cent.) $6,000 for 6 years at 4.75% compounded monthly $ Need Help? Read It 17. [-/5 Points] DETAILS MY NOTES Find the present value of the investment. (Round your answer to the nearest cent.) worth $15,000 after 5.5 years at 5.25% simple annual interest $18. [-/5 Points] DETAILS Find the semiannual withdrawals possible over 2.5 years from an account earning 5.75% compounded semiannually and starting with $10,000. (Round your answer to the nearest cent.) $ Need Help? Rand It 19. [-/5 Points] DETAILS Solve the given system of linear equations. (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer using the parameters x and y.) 0.2x - 0.1y = 0.5 0.2x + 0.2y = 0.6 (x, y) = ( Need Help? Read It 20. [-/5 Points] DETAILS Solve the given system of linear equations. (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer using the parameters x, y, and z.) 2= 7 7x + Z = 33 * - - 1 2' 27 x + y+ 2 = 15 (x, y, z) = Need Help? Read It