Perform one step of row reduction, in order to calculate the values for x and y by back substitution. Then calculate the values for x and for y. Also, calculate the determinant of the original matrix.

Q: The doctor prescribes 25mg/kg divided into 3 equal doses for a todddler whom was 42 lbs. find the…

A: The weight of the child is 42 lbs The weight of the child in kilograms is 42×0.4536=19.0512≈19…

Q: If A and B be 2 x 2 matrices, then (A +B)(A – B) = A² – B². True B False

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Q: 6. Find solution of the system of equations. X' = 4 -3 X 3 4 Hint: You can use matrix method or D…

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Q: in the form AX= B. Solve the system using the inverse that is given for the coefficient matrix. -x+…

A: The given system of equation is  -x+5y+5z=-12-x+3y+5z=-6-x+3y+3z=-8 The given system of equation is…

Q: 10x1 + 2x2 -x3 = 27 - 3x1 - 6x2 + 2x3 = -61.5 - X1 +x2+5x3 = -21.5 a. Write in matrix form. p.…

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Q: Let I be the identity matrix of nxn. Please Compute the matrix fuunctions COST I

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Q: 4Q: Solve equations by using inverse matrix X = A¬B %3D 3x + 7y 11 -5x +4y = 13 %3D

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Q: Use Cramer's Rule to solve each system. Show your matrix equation 3x + 2y = -26 5x - 3y = -18

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Q: (-81,24,16)

A: Determinant of matrix is=-5258

Q: Solve the system of equations using matrices. Use the Gaussian elimination method with…

A: Solution The given system of equations are  x+y-z=-5 3x-y+z=-7 - x + 3y - 2z =1

Q: Solve the matrix equation -[ 4 6. 3 4 -3 | 3 5 5 7 1 -

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Q: solve the following system of equations. 2x₁ + 3x₂ = 7 6x₁ - x₂ = 1 Express the system of equations…

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Q: (2x + y - 3z = -9 | x + 5z = 14 | −3x + 2y - z = 4). From 3 (three) equations, what is the value of…

A: Solution :-

Q: Solve this equation by using the Determinant method. 2x+5y=10 4x+10y=20

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Q: 1 -2 -2 1 0 2 3 0 1 000 0

A:

Q: If the determinant of the 2x2 matrix 3 a 2 b is 7, then what is the determinant of the 2x2 matrix a…

A: To find the determinant of matrix.

Q: 2X +3Y+5Z 6X -2Y -3Z 8X-5Y-6Z X+Y+2Z 2X+ Y + Z X + 2Y + Z 6X-4Y+5Z 3X + 2Y 5X + 4Z = 0 = 3 = 1 m H…

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Q: Use the determinant of the coefficient matrix to determine whether the system of linear equations…

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Q: II. Find the solution of the following system of equations. Enclose all determinant values in a box.…

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Q: Consider the following pair of simultaneous equations: 6x + 4y − 14 = 0 5x − 3y − 37 = 0 (b)…

A: A system of m×n numbers arranged in the form of a rectangular array having m rows and n columns is…

Q: Salve ty-32-S 14n-5 n-y+22= 31y +2:44 on

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Q: (x-3y +3z = -8 7x+y +2z = 6 3x +2y - z = 4

A: Topic:- matrix

Q: If the determinant of the 2x2 matrix 5   a 8   b is 7, then what is the determinant of the 2x2…

A: TO find the determinant of the matrix  B.

Q: Write the system first as a vector equation and then as a matrix equation. 8x₁ + x2 3x3 = 9 4x2 +…

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Q: * Solve the system by inverse matrix method to Find (x) and (y) 2X+ 3y = 11 X+ 2y = 6

A: