. Ivan’s father is twice as old as Ivan. In 15 years, Ivan will be two-thirds as old as his father. How old is Ivan’s father?  A. 25 B. 30 C. 35 D. 40 2.What is the solution of the equation 2x + 8 - 4 = -2? A. x = -1 B. x = -2 C. x = -3 D. x = -4

Q: 32. Which two real numbers are solutions to the equation x? – 3x – 28 = 0? x = 7, x = 4 x = -7, x =…

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Q: You are given Calculate a31 8₂ 1 8+t fort≥0

A: Given Information:The function is given as ;.To find:The value of Concept used:The present value of…

Q: Solve the following equations. a. -x+1=7 b. 1-x= -11 C. X-7=

A: (a) - x + 1 = 7 So, x = 1 - 7  So, x = - 6

Q: 3. Roma's weekly earnings, E dollars, are given by the equation E = 23R + 34.50, where R is the…

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Q: Solve the difference equation 9yk+2-9yk+1+ Yk =6-5k, Yo 2, y 3 5.

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Q: Solve: 2x-1 15

A: To solve: 2x-1=15 Solution: We know that if x=a then x=±a. Using above property, 2x-1=152x-1=±15…

Q: 1. Solve using substitution 2x + y = 14   3x - 2y = 7

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Q: 13. What are the solutions to the equation 6x2 - 42x + 80 = 20 ? A. (-2, 5} B. {2, -5} 1 Pt D E C.…

A: By factorization  method

Q: x+y=-5 X-y=7

A: Given equation are: x+y=-5......(1)x-y=7......(2)

Q: 13. Solve the equation 4-3 = 82r.

A: We have to solve the given equation    The given equation is   4x-3=82x First we will make the…

Q: dives 25 feet. She then rises 4 feet, and then dives another 10 feet. Write an expression to…

A: To determine the final depth of the shark, let x represent the depth of the shark. Let the surface…

Q: 7. Solve the equation for x. 2x-5--3 a. x= 1 C. X- 4 b. x 2 d. No Solution

A:

Q: What is the solution to this equation? x-9=17 O A. x= 8 О В. х%3D 26 О С. х%3D 12 O D. x= 28

A: Just add 9 to both sides.

Q: 1. Solve the equation 2x? + 5x + 2 = 0.

A:

Q: Each part describes a rectangle. Please symbolize and solve for each rectangle’s dimensions. (a)…

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Q: 8.) A scuba diver plunges 16 feet each hour. After 3 hours, what will her change in elevation be?…

A: Given a scuba diver plunges 16 feet each hour. To find the change in her elevation, after 3 hours.…

Q: 9. Ms. Pryce has 82 books. She puts 10 of them in her desk. The rest will go in her bookcases. One…

A: Given: The total number of books Ms. Pryce has 82. The number of bookshelves =2+4=6 Let the number…

Q: 11) Solve by Substitution a. b. -4x – 2y =-1 y=-2x – 4 x+3y=-17 -8x + 8y =-24

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Q: 10. (x³ + xy² – y) + xdy = 0

A: Solution...

Q: Which of the following is the solution to the equation 25² + 4) = 125? Oz = 5.5 Oz = 3.5 Oz= -2.5…

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Q: 3. Find the solution of the equation An+1 = An + an-1. in the form an = c1\f + c2%, if a1 = a2 = 1.…

A: We have to find recurrence relation solution.

Q: 6. Solve the equation for x. V3x+2-3/2x-2 C. 8 a. 15 15 d. 8 b. x- 3

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Q: If m+n=-2, then the value of m³ +n³ - 6mn is, a. -8 b. 8 c. -4 d. 4

A: use algebraic formula for cube

Q: 5. 16yk+2 Solve the difference equation + 8yk+1+yk = 6-k, yo = 4, y₁ = 1

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Q: Solve a. ff(-12xy² + 8x³y + 3)dxdy b. ³₁(-12xy² + 8x³y + 3)dxdy

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Q: if m=1/3and b=-6, what is the equation?

A: See the attachment

Q: -2x 4х +4 2x-3 Solve the equation 2х+2 х+1 A -12 В. X= С. x = -3 D. x= 3 %3D

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Q: 1. Solve the simple equations: 7x -2 19 - 4x + 3 = 1 3 2 2x + x- 13x + 6= 0 2 Solvo uei

A: Solution

Q: 3. Solve for x a. 82+3=16³1 b. 6*3=12 3¹+5-20¹-3x

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Q: If 35x + 1 = 95 + 2x, what is the value of x?

A: To evaluate: 35x+1 =95+2x To solve for x first simplify by taking all the variables to one side and…

Q: What is the solution to this equation? -13x= 78 O A. x= 6 O B. x= -5 O C. x= -6 O D. x = 5

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Q: 11. Solve 6x + - 5 = 3x - 3 10

A: