If A = 1 -9 -9 -6 -4 and AB = 1 D -1 9 -3 -3 6 ww -6 ? a ? ? PP ?? 9 5 B-1 9 ∞ C 3-8 1 what is the value of the element a?

Q: (4) y=x +4 -5 -4 -3 6.

A: The given equation is: y=x+4

Q: Evaluate: (2x-y) ³(3x+2) when x = -3 and y = -4 O-56 O-28 O56 14

A:

Q: Which of the following is equivalent to (1-x)(1+x) - 3x (2-x)? A. 3x² - 6x +1 B. -3²-7x + 1 C.-4x² -…

A: Recall: (a+b)(a-b)=a2-b2

Q: What is the answer to C(n, n-r+1)

A: The formula of the combination is given by: Crn=n!r!  n-r!

Q: If x 0, which of the following is equivalent to the expression below? 8x-6x 2x A. &r-4x B. &-3 C.…

A:

Q: (a) What is a12, a22, a23? (b) What is b11, b31? (c) What is c13, c31, c33?

A: given: A=2-356-54 B=4-35 C=732-43561-1 (a) What is a12, a22, a23?(b) What is b11, b31?(c) What is…

Q: Which of the following pairs of lines are perpendicular? Select all that apply.

A: For equation of line :y=mx+c slope = m   if two lines are perpendicular then  multiplication of…

Q: 2. If A is 2x8, B is 8x3 and C is 3x4, which of the following exists? a. 2A+3C b. (AB)C c. BA-2C d.…

A: We have to solve above question

Q: Q-4. Find the value of given combination 11 (H) + (5) 6 2

A:

Q: 2. The expression (15w -9z) – 6(z – 2w) is equivalent to which of the following? A.-7w-9z B.-7w-3z…

A: We have to solve given expression.

Q: 7. 8xly + 4x-4y-2 C. (2y + 1)(4x - 2) D. (2)(2y -1)(2r + 1)

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: Which of the following is the value of the expression o ² 1/2 2 (3) X4 x² +4 2 X when x = -2?

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Q: When 8 is added to half a number, the result is the same as subtracting three times that number from…

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Q: Let A = [0  2]              [5 -2] Find -4A.  -4A =

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Q: 9=a(0)2+b(+c 17-a(82+ b(8)+C 18=a(18)2 +b(18)+C

A: Solve the equation to find a,b,c

Q: Is this a r

A:

Q: 13(2)5 æ+8 – 6 (3)6 z+2

A:

Q: Select all expressions that are equivalent to (2n +6)(n+ 3). O a 2(n? + 6n + 9) 2n+ 6n +18 Oc 2n…

A: Given,  => (2n + 6) (n + 3)  Taking '2' common from expression , => 2 (n +3) (n + 3)

Q: Evaluate: 1 -2 3 1 -2 5 3 -2| -2 1 -2 + 5 3 : 1 3. 3 1 -2 = 1(3 – (-10)) - 3(-6 – 5) + 5(4 – 1)…

A: Given-  1-2131-2553 To find- The value of determinant.

Q: If 92m-n ! and 73m-2n :49, the values of m and n are

A:

Q: EXE N)(2x +3=4x+2). %3D O True O False

A: We now check whether the following is true or false. (∃ x ∈ N)(2x+3=4x+2) i.e. there exists x ∈ N…

Q: 10s? – 5 L- (s² + 1)(s² +3)2

A:

Q: -6 (0 Find A-' if A 2 -4 -3 10

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Q: If a = 5√2 and 2a = √2x, what is the value of x ?

A:

Q: Consider the following expression -4n2+6n-3. What is the coefficient of the n2 term?

A: -4n2+6n-3 we have to find the coefficient of the n2 term

Q: 口 1. Simplify:-4(a+b)+5(a-b). O a- 96 O-9a - 9b O-8ab -4a-46+5a- 5b

A:

Q: Find, if possible, (a) A + B, (b) A − B, (c) 2A, (d) 2A − B,and (e) B + 1/2 A.

A: Consider, Thus,

Q: Va Which of the following is equivalent to a7 +b" O ai - 6" O (ab)F O none of the choices

A: Given expression: abn ⇒abn=a12bn

Q: if x+5 = 12, then x=7what is the property?

A: Given that: x + 5 = 12

Q: 4. Find mRS. (5x + 6)" R (11x-72)

A: The chord of a circle is a line segment joining the two points on the circumference of a circle. If…

Q: Simplify each algebraic expression. (A) 7x³y +9+ 6xy - 7xy-21-7x'y

A: For the given expression 7x2y+9+6xy-7xy-21-7x2y  is  -xy-12

Q: Which expression is equivalent to -36y – 13? -12(3y – 1)+1 O -12(3y+1)+1 -12(3y+1) – 1 -12(3y – 1) –…

A:

Q: (b) 6 + 7 + 8 + 9 + ... + k

A: (b) Given that 6+7+8+9+...+k The objective is to find the sum. The formula for sum of numbers are,…

Q: 1.If 10C0+11C1+12C2+...+15C5+16C6 = 17Ck+1 then k = _____.

A: