3x-5 -7 2 Given: Prove: x =-3 Statements Reasons 3x-5 1. a. 2. 3x-5= -14 2. b. 3. 3x =-9 3. с. 4. x -3 4. d. 1.

Q: Let A = What is (AT)3.2? 00 3. 3.

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Q: -5 -19 5 A = 4 В — -19 -4

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Q: -p 5a If det p 9 = - 17 then det -9 56 5c

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Q: 1/5 2. Which of the following are equivalent forms of mz. List ALL that apply, using commas to…

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Q: Solve x-6x- 20 =7 and Submit Answer (2 Jeit

A: x2-6x-20=7x2-6x-20-7=0x2-6x-27=0x2-9x+3x-27=0x(x-9)+3(x-9)=0(x+3)(x-9)=0x+3=0           ,…

Q: 2(3 – k?) а. k=1 6 b. E – 5) (k² - 5) k=1 5 Σ > k(3k + 5) С. k=1

A: I am attaching image so that you understand each and every step.

Q: Find, if possible, (a) AB and (b) BA.

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Q: a. 7+23 d. 2.62 f. -3 b. 9.31 8• (4) е. (: 5) g. С. 20-24

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Q: Simplify the expression (2(9+ /T8). a. 12/2 b. 3/2+6 с. 15 d. 9/2+6

A: we have our expression as  =>    √2(9 + √18) =>    9√2 + √(2*18) =>    9√2 + √36 =>…

Q: 6.) If x =3, what is the value of the following expression? 3x + 2

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Q: 12. Simplify. 6m? + 13m – 5 9m? – 4 8m? + 16m – 10 6m2 + m – 2

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Q: Next Ques 47 If A= -1 find AB -42-5 2-2 47 AB= (Simplity your answer) -1 -42 -5

A: Solve the matrix

Q: -1 2 -2 + S = 4 If S 4 then, S? = 13x3 3 4 -4 true O False

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Q: 3. If AC = 26x-18 and BC = 23-2x, which expression represents AB? A B C

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Q: -3 9 -2 C = 9. -8 А- B = -7 -7 -6 Ex: 42 AB + AC = A

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Q: | If 4 1 Au 3 and Av = -3 -3 then A(2u + 30)

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Q: An art teacher needs to buy at least 60 brushes for her class. The brush are sold in packs of 8. In…

A: Here it is given that,  Number of brushes = 60 (at least) Number of brushes in 1 pack =8 minimum…

Q: 7 - 5p + 3q  p = 1  q = 7

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Q: Rpup (hur +81 0=1²² x=h₁ б E I =

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Q: Find -9 + -3 + 3 + 9 + 15...+51. a. 231 b. 384 C. d. 312 385 е. 296

A: We have to find : -9+(-3)+3+9+15....+51 i.e. the sum of the series -9,-3,3,9.......51 Let's assume…

Q: 7. 3x-y 2 and y =- x-11 %3D 9. Y 1-5 and 21 + 81 = 56 4. =D56

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Q: 3. Each expression has been simplified incorrectly. Explain the mistake that occurred, and then make…

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Q: 4 8t Simplify +2 2k+4-

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Q: If A= 3 6 B= then, 3A-2B= 0- 1 Select one: O a. 9-6 0 29 O b. -9-6 029 O C. 9 -6 0 31 d. 11 -6 0 29

A: We will solve the following

Q: Find 52 + 48 + 44 .. + 0 + -4 + -8. а. 520 b. 176 с. 364 d. 722 е. 352

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Q: 2+2 hewp own dis queshton plese

A: Given 2+2

Q: 7 Find B. -14 4 Let B = 40

A: Given: B=-14440

Q: -5 -6 -8 A = -7 B = -9 4 -9 8 Ex: 42 ЗАВ — А

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Q: Place parentheses, if needed, to make each of the following equations true. c. 5+4+9+2=9 d.…

A: The given equations are, a) 7+4·2=22b) 8÷2+1=5c) 5+4+9÷2=9d) 5+6÷2+2=10 We have to place the correct…

Q: 5.) Evaluate the expression below. 21 -3 x -5 ÷ -7 A. -7 B. -5 C. 5 D. 7

A: Given query is to find the value of the expression.

Q: 14. Which of the following is NOT a solution of 7-2m > 19? А. -2 С. -10 В. -6 D. -7

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Q: 10. Rewrite each subtraction question as an addition question (meaning the answers remain the same)…

A: Given; a)-10-(-8) b) 3-(-7) c) -6-0 d) 0-10 e) -8-6 f) -15-(-5).

Q: 12X 11+ 2÷ 50X 1- 4- 2÷ 10+ 2÷ 6+

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Q: 1 2 21 4. Given A=; a. A + 2B b. 3A-2B c. B-A and B = -3 4 -2 2 find

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Q: 1. What does substitution mean in math? 2. It is important to follow the Evaluate the following…

A: This is question of algebra  Here equation is given  We have to find value of that from…

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: 4.) Which expression is equivalent to 2(2 - 9) + 2v? 14 - 2v -14 + 2v -12v 16v А. В. C. D.

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Q: 1 2 1 Q2. If A = 200 31 2 find A¹.

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Q: 1. Which is equivalent to 8+7 +2 2十1 O (e+1)(z-7) #十2 e+1 +2

A: Given:- (x2+8x+7)(x2+9x+14) To Find:- Need to find equivalent rational function

Q: Suppose that -6 A -3 -4 -2 4 -6 + В 8 5 C -12 4 8 6. 4 D -6 12 -6 What are the values of A, B, C,…

A: Given that  The matrices  To find the value of A,B,C and D