Contemporary Mathematics For Business & Consumers, Loose-leaf Version
8th Edition
ISBN: 9781305867185
Author: Robert Brechner, Geroge Bergeman
Publisher: South-Western College Pub
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Chapter 16, Problem 4CR
To determine
To fill: The blank spaces in the statement, “An inventory valuation method in which each item in inventory is matched or coded with its actual cost is known as the specific ______”.
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5. Suppose that a mass of 5 stretches a spring 10. The mass is acted on by an external force
of F(t)=10 sin () and moves in a medium that gives a damping coefficient of ½. If the mass
is set in motion with an initial velocity of 3 and is stretched initially to a length of 5. (I
purposefully removed the units- don't worry about them. Assume no conversions are
needed.)
a) Find the equation for the displacement of the spring mass at time t.
b) Write the equation for the displacement of the spring mass in phase-mode form.
c) Characterize the damping of the spring mass system as overdamped, underdamped or
critically damped. Explain how you know.
D.E. for Spring Mass Systems
k
m* g = kLo
y" +—y' + — —±y = —±F(t), y(0) = yo, y'(0) = vo
m
2
A₁ = √c₁² + C₂²
Q = tan-1
4. Given the following information determine the appropriate trial solution to find yp. Do not
solve the differential equation. Do not find the constants.
a) (D-4)2(D+ 2)y = 4e-2x
b) (D+ 1)(D² + 10D +34)y = 2e-5x cos 3x
9.7 Given the equations
0.5x₁-x2=-9.5
1.02x₁ - 2x2 = -18.8
(a) Solve graphically.
(b) Compute the determinant.
(c) On the basis of (a) and (b), what would you expect regarding
the system's condition?
(d) Solve by the elimination of unknowns.
(e) Solve again, but with a modified slightly to 0.52. Interpret
your results.
Chapter 16 Solutions
Contemporary Mathematics For Business & Consumers, Loose-leaf Version
Ch. 16.I - You are the merchandise manager at Best Buy. The...Ch. 16.I - Prob. 2TIECh. 16.I - Prob. 3TIECh. 16.I - Prob. 4TIECh. 16.I - Prob. 1RECh. 16.I - Prob. 2RECh. 16.I - 3. Calculate the total number of units available...Ch. 16.I - When the merchandise manager of Advance Auto Parts...Ch. 16.I - Prob. 5RECh. 16.I - The following data represent the inventory figures...
Ch. 16.I - 7. Determine the value of the following inventory...Ch. 16.I - 8. Determine the value of the following inventory...Ch. 16.I - Prob. 9RECh. 16.I - BUSINESS DECISION: IN OR OUT? You are the...Ch. 16.II - Using the retail method, estimate the value of the...Ch. 16.II - Prob. 6TIECh. 16.II - Using the retail method, estimate the value of the...Ch. 16.II - 2. Using the retail method, estimate the value of...Ch. 16.II - Prob. 3RECh. 16.II - Prob. 4RECh. 16.II - Omni Fitness Equipment, Inc., maintains a gross...Ch. 16.II - 6. Hirst Electrical Supplies maintains a gross...Ch. 16.II - Prob. 7RECh. 16.II - 8. You are the warehouse manager for Discovery...Ch. 16.II - BUSINESS DECISION: OVER OR UNDER?
9. You own...Ch. 16.III - Exotic Gardens had net sales of $260,700 for the...Ch. 16.III - Prob. 8TIECh. 16.III - Prob. 9TIECh. 16.III - Prob. 1RECh. 16.III - Prob. 2RECh. 16.III - Assuming that all net sales figures are at retail...Ch. 16.III - Prob. 4RECh. 16.III - Prob. 5RECh. 16.III - Prob. 6RECh. 16.III - Prob. 7RECh. 16.III - Prob. 8RECh. 16.III - Prob. 9RECh. 16.III - A Circle K convenience store had net sales of...Ch. 16.III - Prob. 11RECh. 16.III - Prob. 12RECh. 16.III - Prob. 13RECh. 16.III - Prob. 14RECh. 16.III - Prob. 15RECh. 16 - 1. Goods that a company has in its possession at...Ch. 16 - Prob. 2CRCh. 16 - Prob. 3CRCh. 16 - Prob. 4CRCh. 16 - Prob. 5CRCh. 16 - Prob. 6CRCh. 16 - Prob. 7CRCh. 16 - Prob. 8CRCh. 16 - Prob. 9CRCh. 16 - Prob. 10CRCh. 16 - Prob. 11CRCh. 16 - Prob. 12CRCh. 16 - 13. The ideal amount of inventory a company should...Ch. 16 - 14. When the target average inventory is...Ch. 16 - 1. Calculate the total number of Maytag Neptune...Ch. 16 - When the buyer for Southern Distributors (Exercise...Ch. 16 - Prob. 3ATCh. 16 - Prob. 4ATCh. 16 - Prob. 5ATCh. 16 - 6. Using the retail method, estimate the value of...Ch. 16 - Prob. 7ATCh. 16 - Prob. 8ATCh. 16 - Prob. 9ATCh. 16 - Assuming that all net sales figures are at retail...Ch. 16 - Prob. 11ATCh. 16 - A Foot Locker store had net sales of $435,900 for...Ch. 16 - 13. The Fabric Mart had cost of goods sold of...
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