19. Solve by elimination. 3x+7y=23 -3x-7y=-17 a) Infinite solutions b) (-3,3) с) (3,3) d) No solution 20. Solve by any method. Be sure to show your work. -x-5y - 5z = 2 4x-5y+ 4z = 19 x+5y – z = -20 a) (-2, 3, 3) b) (-2, -3, 3) c) (-3, 3, -2) d) No solution

Q: 5. Solve 6cos2x - 5sinx - 2 = 0 on the interval x € [0,2π]

A:

Q: Prove that there are no integer solutions (x, y, z, w) to the equation x³ +y³ 3z²+9w² +3. =

A: The given equation is x3+y3=3z2+9w2+3. We have to prove that there is no integer solution to the…

Q: Find the number of nonnegative integer solutions to x + y + z = 15 with the conditions x ≥ 4, y ≥ 1.

A: We have given that x+y+z=15                            ……(1) x≥4, y≥1   x≥4 Subtract 4 from both…

Q: Is (2, –1, 3) a solution of 3x + 5y – 2z = -5 2х + Зу- z 3D —2 2x + 4y + 6z 18? Replace x with 2, y…

A: Consider the system of equations. 3x+5y-2z=-52x+3y-z=-22x+4y+6z=18 And, the solution of the system…

Q: 22:- Solve the following Equations by Gauss - Jordan method 2X+4Y-6Z=-4 X+ 5Y+3Z=10 X+3Y+2Z = 5

A: Here we have to solve the equation by using the Gauss-Jordan method.  2X+4Y-6Z=-4X+5Y+3Z=10X+3Y+2Z=5…

Q: Solve these simultaneous equations: 1. 3x + 4y = 15 2x + 3y = 11 2. 5x -4y = 21 3x + 5y = 20…

A: According to our guidelines, In case of questions with multiple subparts we are supposed to answer…

Q: would you prove that the answers to the diophantine equation y^2-x^3=0 are the pairs (n^2,n^3) for…

A:

Q: Solve 12cos2(w)−17cos(w)+6=012cos2(w)-17cos(w)+6=0 for all solutions 0≤w<2π0≤w<2π

A:

Q: 6. Solve using Jacobi Method 5х — 2y +3z %3D-1 2х — у — 7z %3D 3 -3x + 9y + z = 2

A: the Jacobi method is an iterative algorithm for determining the solutions of a strictly diagonally…

Q: Solve 5sin(2θ)−5cos(θ)=0 for all solutions 0≤θ&lt;2π. θ=

A: The given equation is

Q: Solve 8cos(2β)=8sin2(β)+18cos(2β)=8sin2(β)+1 for all solutions 0≤β<2π

A: Solve 8cos(2β)=8sin2(β)+1 for all solutions 0≤β&lt;2π

Q: x" 1omua

A: As per the instruction, we will be solving only the first-mentioned question. For (5), Here,…

Q: Find a general solution to y" - 7y + 6y - - 4ae". Note. a - Last digit or your student ID +1 Enr the

A:

Q: How do I solve 3cos(2t) = 3sin2(t) + 2 for all solutions 0 ≤ t < 2π t = ???

A: The equation is 3cos(2t) = 3sin2(t) + 2 Subtract 3sin2(t) + 2 from both sides 3cos(2t) - 3sin2(t) -…

Q: 2 y " - 3 y ' +4 y = 0.

A:

Q: Find the solutions that can be read from the simplex tableau. X1 X2 X3 S1 S2 6. 1 4 77 1 6. 1 -2 1…

A:

Q: 3.1 - $192, p = $800, t = 4 yrs (solve for r) %3D

A:

Q: 5. Solve IVP у" - 4y" + 7y - бу %3D 0, у(0) %3D 1, у'(0) — 0, у" (0) — 0

A: See the attachment

Q: 3. Show that y = 5x2 +2 is a solution to the DE ry' +y" = 2y.

A:

Q: 4. Find the number of non negative solutions to x + y + z = 21. With the conditions that x > 3, y >…

A:

Q: 3. Verify that 3e-2x +4e* is a solution of y"- 3y' + 2y = 0.

A: We have to verify that 3e-2x+4ex is a solution of y'''-3y'+2y=0

Q: 3 Find the general solution of i = Ax, where A = -8-

A:

Q: The form of the particular solution yp for the DE (D^2 + D - 2)y = 2x - 40cos2x should be yp = Q +…

A: Let's find.

Q: 2a) find a solution of y" (x) = y(x) that passes the origin and go trhout the point (In(2),-).

A:

Q: 12sin2(t)+5cos(t)−9=012sin2(t)+5cos(t)-9=0 for all solutions 0≤t<2π0≤t<2π

A: Solution

Q: Solve 13-18 by ELIMINATION. 23, g 3x +y= 2 13. 14. 3x + 2y = 7 %3D 17 2x- 4y = 8 - %3D 16. 96 6x -…

A: We have to solve

Q: The combined family is [1, k, k², 3k] and contains no members that occur in the homogeneous…

A: Only simplify the terms we get the required answer as follows :

Q: Given 0 ≤ 0 < 2π, solve 2tan0 - 6 = 0

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

Q: Find the number of solutions to 6z1+9z2+20z3=150 where the zi are nonnegative integers

A:

Q: 1. Find the number of non negative solutions to x + y + z + w 16. With the conditions that x > 2, y…

A: The complete solutions are given below

Q: An Euler-Cauchy equation is given as x*y" +1.5xy – 0.5y=0, x(1)=5, 19 (9). 3 Solve the equation by…

A: Here, we have given that the Euler-Cauchy equation x2y''+1.5xy'-0.5y=0 and the initial conditions…

Q: Let (x, y,) be the solution of the following equations In 2 (2x) = (3y)n³ 3Inx = 2lny %3D Then x, is

A:

Q: Solve the following: (a) | x-4 /3 | ≥ 3 (b) |x-2 /2  −1/2 | < 1 (c) 2/3  ≤ −4/5   (x − 3) < 1 (d)…

A:

Q: Let (x, y,) be the solution of the following equations In 2 (2x) = (3y)m3 3Inx: = 2Iny Then is

A: This is very complicated &amp; lengthy problem.So I can do it in Advanced Mathematics.

Q: What is the particular solution of 2xyy' = 1+y2 , when x =2, y = 3

A: The given differential equation is solved below in detail.

Q: (b) Solve y" + y = 0, y(0) = 3, y(1) = -3 by using finite-difference method with h = 0.2.

A:

Q: Find a particular solution for i= -3y - 4 + Se ya- Sya + 6ya - 6e (0) - 19, ya(0) - -23

A: Given Equations are: y'1=-3y1-4y2+5et ---(1)y'2=5y1+6y2-6et ----(2) From (1)…

Q: I have included one line of the whole solution in the questionnaire. Analyze if this included part…

A: y = ln(1-5y2 +y3) now differentiate it y' = (-10y+3y2 )/(1-5y2 +y3) here between (+) sign so there…

Q: Solve these equations with two unknowns by the method of reduction: 1.- 2x+4y=180 2.- 5x+8y=420

A: To solve system of linear equations with two unknowns, we multiply equations by appropriate numbers…

Q: b) Find particular solution of х*у 3- (х-1) у. У(1) — 1. У(1) %3D 1.

A:

Q: (x2D2 - 3xD + 41)y = 0, y(1) = -n, y'(1) = 2n %3D

A:

Q: Solve by gauss elimination method: 15 x + y + z = 17; x + 15y + z = 17; x + y + 15z = 17

A: Consider the augmented matrix of the system.

Q: (4) Show that in general, the sum of the roots of a quadratic equation ax² + bx + c = 0 whereas the…

A: See the attachment

Q: When the equation 4.71z-3.63z-1.82= 0 is solved, the two values of the unknown z are and Submit…

A:

Q: How many non-negative integer solutions are there of the equation: x + y + z + w = 15, such that w =…

A: We need to find the number of non-negative integer solutions are there of the equation: x + y + z +…

Q: Solve the following linear algebraic equations using the Gauss elimination method: 3x, - 2x2 + 7x3 =…

A: The given linear algebraic equations                           3x1-2x2+7x3=20…

Q: The substitution 1/2(1 – *k) Yk = (6.106) transforms the equation Yk+1 = 2у. (1 — ук) (6.107) into (…

A:

Q: Solve 5sin(2ϕ)−4cos(ϕ)=0 for all solutions 0≤ϕ<2π

A: