3. In each case below, either draw a graph with the required properties, or prove that it does not exist. Base your answers on the results of Lect ure-Workshop 9. (a) A tree with 8 vertices whose degrees are 1,1,1,1,2,2,3, 3. (b) A tree with 8 vertices whose degrees are 1,1,1,2,2,2,3,4. (c) A graph with 6 vertices whose degrees are 1,1,2,2,2,3.

Q: Solve 4x x-2 1 2 b. x= -2,2 a. x= 3x-2 x-2 for x. C. x = -2 d. x=2

A: We can answer the question as below.

Q: solve for x  4)2)2x-3=60

A:

Q: Solve for x 10 x-2 2.

A: To find the value of x

Q: Solve by back substitution. z = 5 x+y+z = 5 4-y+z= 9

A: Topic = Equations

Q: 9. Sz+ 8y +7z= 4 6r + Sy + 5z = 6 6r + 5y +5z =5

A: Question 9: According to the given information it is required to solve the system of linear…

Q: 6. -30 4 2) -5 -10 40 寸

A:

Q: Solve 3/I + 10 – 5 = 4 for z न ]

A:

Q: 16 X- 4 20 4.

A:

Q: 4. -8z -y+3: =1 4r + 4y +== 41 6r + 4y + 7: = 114 5. 3r + 7y - 2: = 37 6r + 7y + 10: = 46 -v+ 2: =-4

A: 4) Given:

Q: 35 2x 21

A: Given information:

Q: Solve h=ab+rh=ab+r for a

A: Given     h= ab + rh We can solve for a by separating it

Q: 2. Show two ways of solving the following: 3*+2 – 3* = 216

A:

Q: 1. 2x + 4y + 3: = 15 4x + 5y + 3: == 24 6r + 5y + 5z = 22

A: 1. 2x + 4y + 3z = 15    4x + 5y + 3z = 24    6x + 5y + 5z = 22    243453655 xyz = 152422Augmented…

Q: Solve for x

A: Given, Three parallel lines cut by two transversal line We have  to find the value of x

Q: -3.8z + 2.6y = 4.1 5.2r + 6.2y = 3.2

A: