21 pl 16.15. BEID· 17.19.-6518.-000-00005-8 27-312114422.22. /a.-220.-34119531.100In Exercises 21 and 22, mark each statement True or False. Justifyeach answer on the basis of a careful reading of the text.21. a. The columns of a matrix A are linearly independent if theequation Ax = 0 has the trivial solution.b.If S is a linearly dependent set, then each vector is a linearcombination of the other vectors in S.c.d.The columns of any 4 x 5 matrix are linearly dependent.If x and y are linearly independent, and if {x, y, z) islinearly dependent, then z is in Span {x,y}.Two vectors are linearly dependent if and only if they lieon a line through the origin.b.If a set contains fewer vectors than there are entries in thevectors, then the set is linearly independent.c.If x and y are linearly independent, and if z is inSpan {x, y), then {x, y, z) is linearly dependent.d.If a set in R" is linearly dependent, then the set containsmore vectors than there are entries in each vector.matrix. Use the notation of Example 1 in Section 1.2.In Exercises 23-26, describe the possible echelon forms of the23. A is a 3 x 3 matrix with linearly independent columns.33EOe.e19Wh3.3.35303738

To check: Whether the statement is true or false. Explanation: Explanation for (a) The rank of…

Answered: 21. a. The columns of a matrix A are…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Question 1 You are given the following information about a wooden crate that is being shipped to by truck to the city of New York. Rate = $6.00/pounds w/m, Weight = 200 pounds; Dimensions: Length = 30 inches, Width = 40 inches, Height = 36 inches How much will the shipper be charged? $1200.00 $150.00 $200.00 $1500.00
Additional Question. The XYZ steel company must determine a policy for ordering coal to operate 15 converters. The ordering cost is $85/order and the cost of holding coal is 15% of the purchasing cost. The XYZ has a contract to obtain the coal for $14 per ton for the coming year. Each converter requires exactly 8 tons of coal per day to operate, and the firm operates 300 days per year. a. Determine the optimal quantity of coal to receive in each order. b. Determine the total inventory-related cost associated with the optimal ordering policy c. Optimal number of orders to place per year and number of operating days between orders, based on the optimal ordering. d. The XYZ is now considering to the following discount policy provided by supplier: Order Quantity (tons) 1,000 - 1,999 Price per ton $14 $12 $10 2,000 - 2,999 3000+ Please help the XYZ to determine the amount the firm should order.
J
Question 39
v Question Completion Status: QUESTION 11 The accompanying table shows the demand and supply schedules for lobster. The U.S. government decides that the incomes of lobster farmers should be maintained at a level that allows them to survive. It therefore implements a price floor of $14 per pound by buying surplus lobster until the market price is $14 per pound. Quantity Demand (thousands of pounds) Quantity Supplied (thousands of pounds) Price of Lobster (per pound) $22 0. 360 20 20 320 18 40 280 16 60 240 14 80 200 12 100 160 10 120 120 8 140 80 6 160 40 4 180 Reference: Ref 2-1 Since lobster is an important source of protein and omega-3, the government decides to provide the surplus lobster it purchases to nursing homes at a price of only $12 per pound. Assume that nursing homes will buy any amount of lobsters available at this low price, but families of nursing home patients now reduce their purchases of lobsters at any price by 60 thousand pounds because their family members are…
Question 18 Suppose the number of buyers in a market increases and a technological advancement occurs also. What would we expect to happen in the market? O a Equilibrium price would decrease, but the impact on equilibrium quantity would be ambiguous Ob. Equilibrium price would increase, but the impact on equilibrium quantity would be ambiguous. Oo Equilibrium quantity would decrease, but the impact on equilibrium price would be ambiguous O d. Equilibrium quantity would increase, but the impact on equilibrium price would be ambiguous
Question 22 SROI is calculated by which equation? O Sport Spending - Sport Impact O Sport Impact / Sport Spending O Sport Revenue - Sport Spending Ⓒ Sport Spending / Sport Impact
● ● In order to drum up business, Ms. Smith purchased seasons tickets for both the Senators and the Redblacks. Should Redblacks tickets be expensed? Yes or No Should Senators tickets be expensed? Yes or No ● The cost for the Senators tickets (2) for $1,500 each. Ms. Smith will take a client to every hockey game; she has not missed a game in over five years. The cost for the Redblacks tickets (4) for $350 each. The same goes for the Redblacks, she hasn't missed a game either and it's a family tradition for her, her spouse and their two nieces to attend the games together. Ms. Smith pays $75 a month for a storage locker that she has had for over 3 years. Everything in the storage locker was bequeathed to her from her great uncle. She has no use for the items, but she can't seem to let them go. Should storgae locker fee be claimed? If yes, how much Ms. Smith has a business bank account and the monthly banking fees associated with this account are $5 a month. ● Should banking fees be…
Question 3 Employers pay both social security and unemplolyment taxes. True False
Question 14 Public owners are expected to negotiate bid prices submitted by contractors in an attempt to maximize the value of construction services acquired. True O False
Question 3 An infeasible solution in Linear Programming Problem indicates that There is a need to satisfy all the constraints for a feasible solution. All of the constraints were satisfied There is no need to satisfy all the constraints to have a feasible solution. None of the given answers is correct O At least one of the constraints was not satisfied

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