- 7x+ 3y+4z = -6 -23x+23y+kz =-31 -4x+ 5y+7z= -6 we must have, k +

Q: 3) --9+7z use x = -14 and z = 9 4) -승+ + 3k use x = -4 and k = -7 5) 4(-3n - 2h) use n = -4 and h =…

A:

Q: solve the systems of equations.

A: To solve the system of equations  we have to look for the equation with one variable and solving the…

Q: Suppose that y^-1= 7x ^-2/6z^-1 Which equivalent to y? A. 6x^2/7z B. 7x^2/6z C. 7z/6x^2 D. 6z/7x^2

A: I have given the answer in the next step. Hope you understand that

Q: 5x- y+z 24 x+y+z=-4 12. 5x + 5y - 2z =-3 13. 2x + y + z =1 5x+2y+ 4z 6 x+ y+ 2z=8

A:

Q: Solve for x and y -4 X -4 11 3y 6 15 6 X= y=

A: Given equation is

Q: -x - y + z = 2; 3x – y – z = 0; 2x + y – 3z = 2 2x – 4y + z = 3; &x – 2y + 4z = 7; –4x + y – 2z =…

A: Option D 2x+y-3z=0, 4x+2y-6z=0, x-y+z=0

Q: 4 (a) s(-) = -2x + -4x +3x (b) s(<) = 2x° + (c) s(2) = -2(x - 2) (*+ 4) %3D 2.

A:

Q: Find all solutions ofy" - 2y' + 4 = 0.

A: Given, y''-2y'+4=0

Q: Solve for a: 7a- 17y -27 -7+17y -17+27y 10 -27+7y 17 -27 + 17y 7 27 17y 8 Windows bu

A: option d is correct. see 2nd step.

Q: х — у + 2z — 2х + у — 2z - 2w 3 —2 w = -1 - - | -x + 2y – 4z + w = 1 3x 3w = -3

A:

Q: If x,y,z are chosen from the three numbers -5,1/4 and 4 then what is the largest possible value of…

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Q: Which equation passes through the points (−2,−1)(−2,−1) and (0,5)(0,5)?     1. y=−1 over 3x+5   2.…

A: The given points are (−2,−1) and (0,5) If an equation passes through these points, then that…

Q: Зх + Зу + 12z %3 6 4z = 2 x + y + 2х + 5y + 20z 10 —х + 2у + 8z = 4 (х, у, 2) 3D

A:

Q: Find the area of the unbounded shaded region.

A: Find the area of the unbounded shaded region.

Q: use left-to-right elimination to solvethe systems of equations.

A: Since you have posted multiple questions, as per our policy we will answer first question. Please…

Q: If æ – y2 + 3z2+ 2x – 3y – 4z = 1, then Select one: 32+2 O a. 6z Ob. 3z2+2 6z-4 O c. None of these…

A:

Q: Solve for fx(-9, 9) and fy(-9, 9). f(x, y) = 5x2 + 8xy + 4y2 + 6x − 9y; (−9, 9)

A: Given:fx,y=5x2+8xy+4y2+6x-9yTo find:→fx-9,9→fy-9,9

Q: -2) [5x+By'-2 4x+ 2y --2 2x-4y +3-0 O (A) O (B) 5'-y = 10 3' +y= -4 3(x-y)-12 12- sy -0

A:

Q: Select all the equations that have the same solution as 2x-5=15. 2x=10 2x=20 2(x-5)=15 2x-20=0…

A: 1. Solve the equation 2x-5=15 as follows. 2x-5=15⇒2x=15+5⇒2x=20⇒x=202⇒x=10 So, the solution of…

Q: -3 0 2 1-2 1 Given C = 0 - 3 4

A:

Q: -1 -4 2 -2 -2 2 If A -4 -1 1 and B = 1 -4 4 then %3D -4 -4 1 2 -2 -4 ЗА - 2B — and | AT

A:

Q: x-7y+4z 14.7 %3D -x-0.9y-4z = 19.5 x+2y+5z 11.5

A: The given equation x-7y+4z=14.7 -x-0.9y-4z=19.5 x+2y+5z=11.5 Write the above equation in matrix form…

Q: 3メ+2y-Z=1 メ-ツ+らる-2 2X +y =3

A:

Q: x- y- 2z =-6 3x + 2y = -25 -4x + y - z = 12 Q12:

A: We have to solve the given equation.

Q: Find the Solution (2x+3)y' =y+ (2x+ 3) 1/2; when x = - 1, y =0 2y = (2x+ 3) 1/2 In (2r + 3) 2x = (2y…

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Q: x + y - 4z = 8 3z = 0 7. z = 3 3 х - у 2 x, y, 2) =

A:

Q: Find x and y 24 -2 22 [2x-2y 2 -2 20 21 o -10: [4 : 25 24y 25 2x+y -4

A: Given:

Q: 2 y + = = -8, x – 2y – 3: = 0, х - - 3 : -х+у+2:%3D3.

A:

Q: Solve for k: * -4k-5 21 a. k 2-4 C. ks-4 -8-6-4 -2 0 2 -86-4-2 0 ks- 6 4. 6. 8 2. 4 6. 8. b. k 2- 65…

A:

Q: 4x - 3y + z+= 7 2x - 5y - 4z = 3 3x - 2y - 2z = 7   Looking for equations with 3 variables.

A:

Q: Solve for x when x-3A + 2B = 0 -4 01 1 21 -5 and B =-2 1 A = 1 -3 %3D 2. 4 4]

A:

Q: - 6х -Зу +5z 50 —Зх -2у -4z бх -3у —4z -34 = X = y = z =

A:

Q: Solve the IVP: X' = AX, where -() xw - () 3 -3 1 A = 2 -1 0 1 -1 1 and 7 X(0) 4 3

A:

Q: ニ -1 -4メ + 4y -2メ + 2y -32 - 3 3メ + 1y -32 + 14 3. %3D

A: Note: You have posted multiple questions, we have solved the first question for you, if there is a…

Q: [a] -(-x)= x [b] (-x)y = -(xy) and (-xX- y)= xy

A: We use The fact that (-x)+x=0 and x*0=0

Q: 2-If x(z) = 2z + 5z¬1 + 6z-3 – z* find x(n). %3D

A: Consider the given equation:   xz=2z+5z-1+6z-3-z4

Q: -3 8x°y² ' 12x'y* 6.,2 4 17m m m+5 5х-2 13 - x(x-7)

A: To find the LCD

Q: Solve x- 2y = 5 2x + 3y = 3 Зх + 2у 3 7 х+ 2у — 32 + 2t 3D 2 2х + 5y — 8 + 6t — 5 Зх + 4y — 52 + 2t…

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: -1 -2] 3 4 If A = and B S.T AB BA. %3D -3 -4 5 2

A:

Q: Identify the x- and y- intercepts.

A: X-intercepts: A point where the curve or line cut the x-axis. Y-intercepts: A point where the curve…

Q: 3) y=--x - 1 | 1 y =-x-4 4 Ay 5 4 3 -2 -2 -3 Answer:

A: follow the  next step

Q: 3. у" - 4y' + 4y %3D соs 4x

A:

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

A:

Q: b) Show that Δ2y0 = y2-2y1 + y0.

A: We have to show that Δ2y0 = y2-2y1 + y0.

Q: X-z=3 2y - 2z=2 2x +z=3 2x - 3y+ 4z = -19 6x +4y -2z = 8 X+ 5y +4z = 23

A:

Q: -a --ib+c=0 -a --b-d+ e = 0 a - b= 2 v3 +2 i b+c-d= -2 d-e = 2 v3 +2 i

A:

Q: N +7z-4+5z- (z²- _z²) + (7z + _z} + L-) %3D 2 z? + - 1 ;²²=2-2) + (722) +0-D 1 1 ²-=²) %3D +4 +7z…

A: The given expression is 212z2+412+7z-4+5z-12z2.

Q: 12y (2x +3)° (3x-7) 4(2y + 7) y%3D Page I54 to search

A:

Q: -2 , B = 3 1 -2] D 50 -4 -4 5 3 Find the following I 1 3 1. -A +-C 4. 8 BT-2A 2. 3. AB 4. AB --D A =…

A:

Q: solve for y: x - 3y = 6

A: Ans : On solving for y = ?  From question ,Given that an equation to solve ;     x - 3y = 6