(A): If A = 4 2 -2 Find AB and AC. 2 1 -1 2 3 11 0; B= 2 -2 -2 and 1 l-1 2 1. 3 1-31 C=02 6 l-1 2 1

Q: b. If 8x − 0 = 3x + 5 , then x=

A: Consider the provided equation,

Q: 1 4 1 -1 1 SIf A = 4 1 2 and B = -2 1 then -4 2 3 -4 4 A + B =

A:

Q: x +y = - 12 2x - 3y = 6

A: Solved below

Q: 6. 3c2 - 5c for c = 3 76 8. 5a 3b + 5 for a = 4 andb 3 %3D

A: To find the values of the given expressions (6) 3c^2-5c at c=3 (8)5a-3b+5 at a=4 and b=3.

Q: Let B = [-1 1 4 -3] Find -4B

A: Solution

Q: Find A + B. [-3 3 -91 A =7 6. B= 5 4 2 4 6 8 4 2

A: To find A+B

Q: –x + 3y = 6  x + 3y = 18

A:

Q: = Let A = 9 -6-1 Find 4A + 3B. 4A + 3B = 7 and B = -2-5 7 8 (...

A: We will find the required.

Q: If 2y-8=24 find the value of 3y

A: The given equation is  2y-8=24 . ....... (1)

Q: 1. Find the product AB when 2 A = 1 -3 4 1 06 and B = 52 -4 8

A:

Q: Solve det[A] + det[B] when [2 + i 3 A = -6 2il [6i B = l2i i

A: We will answer the first question as we don't answer multiple questions at a time. Please resubmit…

Q: T. If TM 3y and TX 2y + 24, then Y

A: Given,  TM = 3y TX = 2y + 24

Q: find the value of 7v-6 given that -13v-5=8

A: Given: -13v-5=8

Q: let B= [-1 2 7 -3] Find -3B

A:

Q: find the value of 3y-3 given that -8y-9=7

A: Given,

Q: Compute the test statistic. Complete the following table of expected counts. (Round your answers to…

A: 2) The expected frequencies are calculated by using the following formula:

Q: If a = [5,-2,1] and b.= [-1,-3,4], find | -a + 2b |

A:

Q: If JL = 5x + 1 and MK = 8x - 32, find JL %3D and NK. M JL = NK =

A:

Q: 4. Find m RS. (5x+ 6) S. (11r- 72) If MD- E 24and DN- 2. A ind MD

A: As per our guideline we are allowed to do 1 question at a time. Please post other questions next…

Q: 3 4 1 2 -2 -1 6 -3| Select one: а. 4 b. -40 C. 40 d. -4

A: Solve for the determinants

Q: Evaluate the integral.

A: We have ∫exxdx.....1

Q: Find A. -6 4 (4A)-1 -2 1 A =

A:

Q: 3.) Simplify (0.75x + 2y) - (0.3x – 0.6y)

A:

Q: Find x if BC=1,AC=x+5 and AB=2x-2

A:

Q: 8. Find YZ. 1 +1 19-31

A: Given: WXYZ is a parallelogram. And WX=11x+1YZ=19x-31

Q: -2(3х + 4) + 4(4х +9) О А.10х + 28 О В. 10х + 44

A: To determine: simplified form of

Q: 3 5 - Let C= 2 6 |. Find - 5C. - 1

A: The given matrix is                                C=-3   5  2   6  0-1 We have to find -5C.

Q: -3 1 -3 -2 A = B = -1 1 2 -2 Ex: 42 7 AB = АВ -5 2.

A: Given:        A=0-3-2-121        B=-310-12-2    Multiplying Matrix A and B   AB=0-3-2-121·-310-12-2

Q: If C = z - 9z2 and D = -x +3, find an expression that equals 3C – D in standard form.

A: Given: C=x-9x2, D=-x+3

Q: Find the following expressions if a = (6r, 0, r), b = (6s, –s, 7s), and c = (2t, 10t, 5). a ·b = 1.…

A: We need to find dot product.

Q: -1 1 0 0 1 2 3 and B = 0 2 A = -3 1 A + B

A:

Q: 3. a - 3b + 5c = -10 -2a + 4b – c = 23 2a – b+ 4c = -11

A: a-3b+5c=-10-------------------equation 1-2a+4b-c=23-------------------equation…

Q: If 5x + 3 = 7x – 1. Find x a. 1/3b. ½c. 1d. 2

A:

Q: 6 8. 6x - 3y = 15 4x – 3y =-5

A:

Q: O -2 1 -1 A = 2 and C = 1 1 2 -1 -1, 4A + 0.5C

A: Give matrices are, A=0-22021C=1-111-1-1 Multiplying matrix A with 4. 4A=40-220214A=0-88084

Q: 15. Find mzN. (8x+17) (12x-39)

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…