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 Problem 24E Problem 25E Problem 26E Problem 27E Problem 28E Problem 29E Problem 30E 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