15 - Зт - 4т - 12 4m – 12

Q: a. a.5 -21-3 1/3] а. 4 -2 3 b. [3 -1 4] 5 7 -6 1 -4 2

A: a.) 1-250-37413 = (1)(-3)+(-2)(4)(1)(7)+(-2)13(5)(-3)+(0)(4)(5)(7)+(0)13= -3-8   7-23-15+035+0=…

Q: 4x2 - 2х + 6 19. 6х2 - х - 7 20. 3х +1 2х - 3 21. (2г + 5r? - 2r - 15) + (2r - 3) 22. (6 + 5t - 2г+…

A: 21) we have to  use synthetic division to divide (2r3+5r2-2r-15)(2r-3)

Q: y 2 -27 27 6 -8E 2.

A:

Q: Find -44-3B and simplify. 5 5 -5 -1 1 5 A = 1 1 B = 7 12 -23 -17 35 -4A-3B = 7 2 -4/2 + 21 1/2

A:

Q: -2 6. [æ 2 1] = [0] -2 1 -1 -6 -4 -1

A:

Q: 6z-82

A: According to question we have to solve given expression 6z-8<4 for z6z - 8 < 4 add both side…

Q: Simplify: (-5mn )(4m²n²) O -9m³n5 3.5 O-9m²n® 6. O-20m³n5 3,5 O -20m2n6 .

A:

Q: (2z2 + 2z - 1) - (2z? - 3z + 7) = 5z- 8 O True O False

A: Evaluating the value of the expression

Q: 0. 0 -11 -11 -4 A = |2 6. 4 1

A:

Q: 15. (2 – 10e-2) 0.32

A:

Q: Y =| 8- 7+ 6+ 5+ 4+ 3+ 1- +++> x 1 2 3 4 5 6 7 8 9 -9 -8 -7 -6 -5 -4 -3 -2 -2+ -3+ -4+ -5 6+ -7- -8-…

A: We need to find the equation of straight line from the graph.

Q: Find the inverse of A.

A: It is required to calculate the inverse of the given matrix:

Q: 13 - 4 (1 -3 4) 0 6 = ? -1 5 a) (-2 6) -2 b) -2 (6 ) 1 0 d)

A:

Q: 20+1/5c=-7

A: Ans:            -20+15c=-7  cross multiply⇒-20+1=5c-7                          ⇒-19=-35c…

Q: За — 2b + с 3 6 - 2а + 2b — 2с — 2 - 2с — 14 a= -- Choose the correct an

A: See the details solution in below

Q: (a®j3 (7а)? 2 (-3a*)³ 3 3

A: The explanation of answer as follows

Q: 19. A = 2 2-10 03 20 0 20-1 -1 2 0 2)

A: Given system  x'=Ax where  A=220-12-1020030-1202  To Find:  Set of solutions to the given problem

Q: y 10- x = y - 8 y 55 11 5- - 20 - 15 -10 x = 3 y- y

A:

Q: 25-11 2-4s + 8

A:

Q: 2z2 +5z+4=0.

A: To find: The roots of quadratic equation 2z2+5z+4=0. Formula used: Quadratic formula: If the…

Q: 4. 2 -2 1 0 23 -3-

A:

Q: (a) 2(2*}-5(2*)+2= 0 (b) 32*+1 – 26 3)-9 = 0 (c) 4*- -6{2"}-16 = 0

A:

Q: -12 -10 -8 -6 FA -2-1 10 12 4 6. -2 -3

A:

Q: AY (-3,1) (21) -4 (0,0) 14 -4- కాత పడరి కి

A: We have to find the function

Q: Find the determinant of

A: Find the determinant of A

Q: 2z2 – 4z 3z2 - 12 Which expression is equivalent to when z + -2, z7 -1, and z+ 2? z +1 z² + 3z + 2…

A: The explanation of answer as follows

Q: 7)^-2(4s/6t)^-2

A:

Q: 10. 11. (11r-1) (14x-13) (20T-3) 151 (4r+13) (61 + 2)

A: An exterior angle of a triangle is equal to the sum of its opposite non-adjacent interior angles .

Q: 104 6. 2 Fx -10 -6 -4 -2 2 -8 10 -2 -4 -6 -8 -104 D. D' = E = G%3= 8. 4,

A: Topic = Geometry

Q: 10 -2 -1 0 1 -1 -2

A:

Q: 5×-12y=-34 -8×-2y=12

A:

Q: 0.5(5r2 + 3.2r-6) – (1.7r2 – 2r-1.5)

A: 0.55r2+3.2r−6−1.7r2−2r−1.5 Formula: -  Distributive propertyab+c=ab+ac

Q: -7 + 6(- 8n + 8) = (-2n + 5) +7

A: Explanation and solutions is given below....

Q: A = - 13 -2 1 3 0 4 , C = 2 1 7 2 -3 5 -9

A:

Q: (б2? - 19х + 5) - 6x² (2т? - 4х + 9)

A:

Q: 3t^2+21t+30>5t^2-20

A: Given: The inequality is  3t2+21t+30>5t2-20

Q: 131. -7 < 2r - 3 < 15

A:

Q: 3. -6.3 - (-2.7) = %3D

A: Algebraic operations help to find the required value. Multiplication of the negative sign with the…

Q: 7. z – 1 -1 (-1)* 8. 3z + 1

A:

Q: -5 4 -2 -7 -8 2.

A:

Q: 7- V5 Simplify 2+ V5.

A: Rationalise the denominator.

Q: 61 (9x-22) (5x-7) K 34 9.

A: Explanation: The measure of complete arc = 360 So,…

Q: 61 (9x- 22) 7. (5x - 7) K 34

A:

Q: (2² - ) 3 15 z = 7 2t2

A:

Q: Express (3 + 4√ 2)-1 in the form a + b√ 2, where a, b ∈Q.

A: We multiply numerator and denominator by the conjugate of the denominator

Q: 33 26-6

A: Multiply both sides of given equation by -1.

Q: А. Р(0 -2)-

A:

Q: (-3) – 3)(7 + (-8) – (-6) – 2)) |

A: We know that ,  - ( - x ) = + x or x  + ( - x ) = - x

Q: -22 1 -6 1 -3 -2 a = b = 3. 3.

A: