Problem 1ED: In addition to the commutative and zero properties, there are other significant differences between... Problem 1MP: Add: 321013+231212 Problem 2MP: Subtract: 235321 Problem 3MP: Find a,b,c,andd so that abcd4213=2582 Problem 4MP: Find: 101.30.23.5 Problem 5MP: Repeat Example 5 with A=$45,000$77,000$106,000$22,000andB=$190,000$345,000$266,000$276,000 Problem 6MP: 10322341=? Problem 7MP: If the factory in Example 7 also produces a trick water ski that requires 5 labor-hours in the... Problem 8MP: Find each product, if it is defined: A11023220121130B12113011023220 C11222142D21421122... Problem 9MP: Find a,b,c, and d so that 6053acbd=1624646 Problem 10MP: Refer to Example 10. The company wants to know how many hours to schedule in each department in... Problem 1E: In Problems 1-14, perform the indicated operation, if possible. 15+310 Problem 2E: In Problems 1-14, perform the indicated operation, if possible. 3274 Problem 3E: In Problems 1-14, perform the indicated operation, if possible. 20360410 Problem 4E: In Problems 1-14, perform the indicated operation, if possible. 9280+9008 Problem 5E: In Problems 1-14, perform the indicated operation, if possible. 36+19 Problem 6E: In Problems 1-14, perform the indicated operation, if possible. 4286513 Problem 7E Problem 8E: In Problems 1-14, perform the indicated operation, if possible. 1012+43 Problem 9E: In Problems 1-14, perform the indicated operation, if possible. 341212 Problem 10E: In Problems 1-14, perform the indicated operation, if possible. 112342 Problem 11E: In Problems 1-14, perform the indicated operation, if possible. 23121102 Problem 12E: In Problems 1-14, perform the indicated operation, if possible. 32412513 Problem 13E: In Problems 1-14, perform the indicated operation, if possible. 11022312 Problem 14E Problem 15E: In Problems 15-22, find the matrix product. Note that each product can be found mentally, without... Problem 16E: In Problems 15-22, find the matrix product. Note that each product can be found mentally, without... Problem 17E: In Problems 15-22, find the matrix product. Note that each product can be found mentally, without... Problem 18E: In Problems 15-22, find the matrix product. Note that each product can be found mentally, without... Problem 19E: In Problems 15-22, find the matrix product. Note that each product can be found mentally, without... Problem 20E: In Problems 15-22, find the matrix product. Note that each product can be found mentally, without... Problem 21E: In Problems 15-22, find the matrix product. Note that each product can be found mentally, without... Problem 22E: In Problems 15-22, find the matrix product. Note that each product can be found mentally, without... Problem 23E: Find the products in Problems 23-30. 3254 Problem 24E: Find the products in Problems 23-30. 3524 Problem 25E: Find the products in Problems 23-30. 5432 Problem 26E: Find the products in Problems 23-30. 2435 Problem 27E: Find the products in Problems 23-30. 101213 Problem 28E: Find the products in Problems 23-30. 113201 Problem 29E: Find the products in Problems 23-30. 213101 Problem 30E: Find the products in Problems 23-30. 201113 Problem 31E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 AC Problem 32E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 CA Problem 33E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 AB Problem 34E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 BA Problem 35E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 B2 Problem 36E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 C2 Problem 37E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 B+AD Problem 38E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 C+DA Problem 39E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 0.1DB Problem 40E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 0.2CD Problem 41E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 3BA+4AC Problem 42E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 2DB+5CD Problem 43E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 2BA+6CD Problem 44E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 1AC+3DB Problem 45E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 ACD Problem 46E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 CDA Problem 47E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 DBA Problem 48E: Problems 31-48 refer to the following matrices: A=201432B=3125C=102431235D=301212 BAD Problem 49E: If aandb are nonzero real numbers A=aabb,andB=aaaa find AB and BA. Problem 50E: If aandb are nonzero real numbers, A=abab,andB=aaaa find AB and BA. Problem 51E: If aandb are nonzero real numbers and A=abb2a2ab Find A2. Problem 52E: If aandb are nonzero real numbers and A=abab1ab2ab Find A2. Problem 53E: In Problems 53-54, use a graphing calculator to calculate B,B2,B3...andAB,AB2,AB3 describe any... Problem 54E: In Problems 53-54, use a graphing calculator to calculate B,B2,B3...andAB,AB2,AB3 describe any... Problem 55E: Find a,b,c, and d so that abcd+2301=1234 Problem 56E: Find w,x,y, and z so that 4230+wxyz=2305 Problem 57E: Find a,b,c, and d so that 1223abcd=1032 Problem 58E: Find a,b,c, and d so that 1314abcd=6577 Problem 59E: In Problems 59-62, determine whether the statement is true or false. There exist two 11 matrices... Problem 60E: In Problems 59-62, determine whether the statement is true or false. There exist two 22 matrices... Problem 61E: In Problems 59-62, determine whether the statement is true or false. There exist two 22 matrices... Problem 62E: In Problems 59-62, determine whether the statement is true or false. There exist two 11 matrices... Problem 63E: A square matrix is a diagonal matrix if all elements not on the principal diagonal are zero. So a 22... Problem 64E: A square matrix is an upper triangular matrix if all elements below the principal diagonal are zero.... Problem 65E: Cost analysis. A company with two different plants manufactures guitars and banjos. Its production... Problem 66E: Cost analysis. If both labor and materials at plant X in Problem 65 are increased by 20, find... Problem 67E: Markup. An import car dealer sells three models of a car. The retail prices and the current dealer... Problem 68E: Markup. Referring to Problem 67, what is the markup matrix resulting from a 20 increase in dealer... Problem 69E: Labor costs. A company with manufacturing plants located in Massachusetts (MA) and Virginia (VA) has... Problem 70E: Inventory value. A personal computer retail company sells five different computer models through... Problem 71E: Cereal. A nutritionist for a cereal company blends two cereals in three different mixes. The amounts... Problem 72E: Heredity. Gregor Mendel (1822-1884) made discoveries that revolutionized the science of genetics. In... Problem 73E: Politics. In a local California election, a public relations firm promoted its candidate in three... Problem 74E: Test averages. A teacher has given four tests to a class of five students and stored the results in... format_list_bulleted