Use the Gauss-Jordan method to solve the system of equations.2x - 5y + z = 113x + y - 6z = 15x - 4y - 5z = 12

A.
B.
C.
D.

Answer: C

Mathematics

Find the 5th term in the binomial expansion. ?

What will be an ideal response?

View

Mathematics

Factor. Assume that variables in exponents represent natural numbers.2x3a - 128y3b

A. 2(xa - 4yb)(xa + 4xayb + 16yb) B. 2(xa + 4yb)(x2a - 4xayb + 16y2b) C. 2(xa - 4yb)(x2a + 4xayb + 16y2b) D. 2(x - 4y)(x2a + 4xy + 16y2b)

View

Mathematics

Write an equation in x that models the conditions. Do not solve the equation.8 is what percent (x) of 44?

A. x= 44 ? 8 B. 44x = 8 C. 0.44x = 8 D. x = 44 ÷ 8

View

Mathematics

Find the general solution to the nonhomogeneous differential equation. y" - 5y' + 6y = x2 + 6

A. y = C₁e^3x + C₂e^2x + x² + 6
B. y = C₁e^3x + C₂e^2x + x² + x -
C. y = C₁e^3x + C₂e^2x + x² - 5x + 6
D. y = C₁e^3x + C₂e^2x + x² + x +

View

Mathematics