{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

159E3-F2011 - MA 15900 EXAM 3 9 1 Find the exact value of...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
MA 15900 EXAM 3 FALL 2011 1 1. Find the exact value of cos 9 π 4 . 1) 3 1 2) 1 3 3) 1 3 1 4) 1 3 1 5) 2 2 6) 2 2 7) 2 8) 2 9) None of the above 2. A tourist, who is standing on level ground 300 meters from the base of a redwood tree, observes that that the angle between the ground and the line of sight from her to the top of the tree is 22 ° . Approximate the height of the redwood tree to the nearest tenth of a meter. 1) 13.6 meters 2) 112.4 meters 3) 121.2 meters 4) 278.2 meters 5) 323.6 meters 6) 442.5 meters 7) 500.8 meters 8) 742.5 meters 9) 800.8 meters 3. How much money, invested at an interest rate of 11% per year compounded monthly, will amount to $250,000 in 20 years? Round your answer to the nearest cent. 1) $27,700.79 2) $27,979.81 3) $29,111.20 4) $31,008.48 5) $113,636.36 6) $550,000.00 7) $2,233,753.84 8) $2,256,253.38 9) None of the above
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
MA 15900 EXAM 3 FALL 2011 2 4. Staring with c milligrams of radium, the amount remaining after t days may approximated by A ( t ) = ce 0.004 t . If the initial amount of radium is 100 milligrams, approximate the amount of radium left after 200 days. Round your answer to the nearest hundredth of a milligram. 1) 445.11 milligrams 2) 298.36 milligrams 3) 222.55 milligrams 4) 149.18 milligrams 5) 134.06 milligrams 6) 89.87 milligrams 7) 67.03 milligrams 8) 44.93 milligrams 9) None of the above 5. Poiseuille’s law states that the blood flow rate F (in L/min) through a major artery is directly proportional to the product of the blood pressure P and the fourth power of the radius r . If during
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}