Find, if possible, А + В, А - В, 2A, 2A - В, аnd B + A. (If not possible, enter IMPOSSIBLE in any single cell.) 3 1 A = 2 0 4 0 2 4 2. B = 151 2 5 -1 20 2,

Q: If aij = 3i -2j ,A2x2 A=aij then the element in the second row, the first column is equal to

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Q: Assume that 6% of the sixth graders and 3% of the fifth graders participate in Math Olympiad. There…

A: 1st question is based on percentage application and second is on formula  (a+b)(a-b) = (a2-b2)

Q: Suppose that an outfit consists of a shirt and a pair of pants. If you have 4 different shirts and 3…

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Q: Find a general integer solution of the equation 198x + 288y + 512z = gcd(198,288,512)

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Q: Uzn – V2n = (40 – vo)J2n+1 – (u–1 – v_1)2n+2+b(u_2– v-2) J2n for n>-1. From (2.35) uzn + v2n = (40+…

A: Required equations for calculation: Equation (2.37) u2n-v2n=u0-v0J'2n+1-u-1-v-1J'2n+2+bu-2-v-2J'2n…

Q: The bus has left seats and right seats with the maximum seating capacity of 48 persons. If the right…

A: Maximum seating capacity = 48 Number of right seats of the bus = 23 Number of left seats of the bus…

Q: How many teams of 4 can be chosen from a group of 15 adults and 10 children if each team must have…

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Q: Suppose the first two columns, b1 and b2 of B are equal. What can you say about the columns of AB…

A: For this question let us consider two matrices as per the given options, then we can easily find the…

Q: supermarket wants to send codes for $0.25 off a bag of chips to its rewards program members. Each…

A: Given, a supermarket wants to send codes for $0.25 off abag at chips to its rewards program…

Q: a. In how many ways can 3 civil engineers and 2 mechanical engineers be chosen from the applicants?…

A: Here use combination An Engineers Association has a couple of vacant positions and there are a total…

Q: Compute: 1 (1+i 2) -(1-i 2.

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Q: Compute AB, where A AT B = = 24 09 4 -3 -1 and B = 76 (1 %). 6 4

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Q: Enormous State University's Math Department offers two courses: Finite Math and Applied Calculus.…

A: Given that each section of Finite Math has 80 students and each section of Applied Calculus has 70…

Q: Compute A - 31z and (313 )A, where A =

A: Given,       A=5-14-44-6-321

Q: Compute A B, where A = AB= -5 6 -5 0 and B = 6 7 2 9

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Q: Calculate (a +5) -č where a = (-1, 2, 3), 5= (1, 1, 1) and = (2,-2, 1)

A: Consider two vectors u→=u1, u2 and v→=v1, v2. Then the sum of these two vectors is defined by…

Q: In a town with two districts A and B an administrative committee of 7 people is to be formed. There…

A: Given:  In district A, there are 204 eligible candidates…

Q: * Let z1 = 2 + i and z2 = 5 + 2 i. Find 3 z1/ ( z1 - z2) - (12/ 10 ) - (3/10)i O (1/10 ) + ( 3/10) i…

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Q: A class of 50 students opens two vacant positions for the potential president and a treasurer. How…

A: The question is based on permutation. We will use the following formula for solving the problem.…

Q: A 3 × 7 rectangle is divided into 21 squares each of which is colored red or black. Prove that the…

A: Solution: let suppose the board is a 3 × 7 rectangle.

Q: Let ā = (– 2, – 1, 3) and b = (- 5, 1, – 4). Find ā · b.

A: Given that , a→=-2 ,-1 ,3 and b→=-5 ,1 ,-4 a→·b→=?

Q: Assume that  6% of the sixth graders and 3% of the fifth graders participate in Math Olympiad. There…

A: Final answer is 4.8%. Process is in 2nd step.

Q: 2х, - х, + х, -2х, - 3х, + х, %3D -5.5 2х, - х, + х, + 5x, %3D 7 2х, 2) 2х, Зx, + 3x, 4х, + 3x,…

A: Instead of given variables I choose  a ,b,c,d,e,f as new variables

Q: What row operation will transform 5 -4 -6 31 [o 1 29 28 1 1 7 into 1 1 7 5 ? 3 -7 1 3 7 -7 1 OR +R2…

A: Please see the explanation below

Q: Let A = -[-32-3] and B = (a) Find AB, A-1, and B-1. AB= 5-3 2-1 A-1 B-1 = (b) Show that (AB)-1 =…

A: a)AB=2-2-235-32-1AB=2(5)-2(2)2(-3)+2-2(5)+3(2)-2(-3)-3AB=10-4-6+2-10+66-3AB=[6-4-43]A-1=1AAdj(A)A-1=…

Q: 1.) 3n2 +7n-20 a=3 6=7

A: (1) Consider the given expression as, 3n2+7n-20 So, we have to factor by middle spliting method

Q: Find U4,, Ñ4, , if A, = {0,1, 2, .}, A2 = {2,3, ...}, ., An = {n,n+ 1,. %3D

A: For 1st part we have A1 U A2 U......An ={0,1,2,3,.........}

Q: Cells B1, C1, and D1 contain the values Seat1Row1, Seat1Row2, and Seat1Row3. Of cells B1,C1, and D1…

A: Given, Cells B1, C1, and D1 contain the values Seat1Row1, Seat1Row2, and Seat1Row3. Of cells B1,C1,…

Q: -2 -7 -9 If A = 6. Find the third column of A-1 without computing the other columns. 1 4

A: Use simple matrix operation.

Q: 2. Assume that you have lots of pennies and nickels and you start arranging them in rows of 8 coins.…

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Q: Which system of equations has no solutions? 9. 8. 8. 7. 6. 6. 4 4 3 3 1. 123 4567 8 9 X 01 23 4 5 6…

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Q: Expand (a) (a+ b) (b) (1+x) (c) (p+q) 4 Primary and secondary routes connecting two computers need…

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Q: Show that A and B commutes: * 2/3 -1/31 1/5 7/15 -1/5 1/15. 1 1 0. 21 1B =|-3/5 2/5 2 4. 3 %3D -1 ]

A: Given A=112231-124, B=230-13-352515715-15115

Q: What is the component form of resultant of 26 - 3ā? 2b à = (2, -3) b = (-1,5) Enter your answer by…

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Q: A group of 12 environmentalists comprising of 7 lecturers and 5 technicians are to be selected to…

A: In the question , we are given the following information :  Total number of people =  12  Number of…

Q: What row operation will transform 2 3 8 -2 1 -6 -97 2 1 -6 -9 into 3 8 -8 -9 7 4 -8 -9 7 4 O R2 + R3…

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Q: A miner finally struck gold, taking 1 oz. of gold the first week, 2 oz. the second week, and 4 the…

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Q: Solve the system 2.x = 3(mod 5) 3r 2(mod 7) I = 2(mod 6)

A: As per our guidelines we supposed to solve the very first question when multiple questions are…

Q: A bakery produces cakes, doughnuts and muffins. Each cake requires 30 kg of fl of sugar and 12 kg of…

A: It is given that, A bakery produces cakes, doughnuts, and muffins. Each cake requires 30 kg of…

Q: Find AB if A = 2 1 -2 -1 1 1 B = 2 -2 -2 -1. 2 1 12 8 4 2 1 12 8 0 4 0 1 12 6 12 6. 4.

A: We have to find product matrix AB

Q: Find (AB)-1, (3A)-1, and (A*)-' given that 1 2 5 3 -3 4 A-1 = 3 1 6. B-1 = 1 3 2 8 1 6. 1

A: Recall: AB-1 = B-1A-1 aA-1 =aA-1 ; where 'a' is any scalar. At-1 =A-1t

Q: A technology company is going to issue new ID codes to its employees. Each code will have two…

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Q: What row operation will transform -8 6 1 5 -8 6 1 5 -6 4 6 2 into 0 28 36 - 46 ? 1 45 -8 1 4 -8 O…

A: First option is correct. 6R_3 + R_2 >>> R_2.

Q: A moderately active 140-pound person will use 2,100 calories per day to maintain that body weight.…

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Q: An oil company is going to issue new ID codes to its employees. Each code will have one letter,…

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Q: х, — х, + 2х, + 2х, + х, + x, %3D 5 - 2х, + 4x, — 2х, - 4х, - х, - 4x, = -14 4х, + 3x, + 2х, + 3x, —…

A: Given system of equations is…

Q: A total of 1,954 identical items are to be packed in empty boxes. Each of the boxes to be used comes…

A: To pack all 1954 identical items in the smallest number of boxes we have to choose the box first…

Q: 2- Let A= [1 -1 21 0 1 4 B=-1 3 find:- -2] a) 2A + B' b) B'A' –I

A: