brianlykid1761 brianlykid1761

28-04-2018
Mathematics

contestada

Which expression gives the z-coordinate of the solution of the system x+2y-2z=3?

Respuesta :

CastleRook CastleRook

08-05-2018

From the system of equation
x+2y-2z=3
3x-y+z=16
x+z=7
we solve the system as follows:
add equation i and ii
x+2y-2z=3
6x-2y+2z=32

7x=35
x=5
thus
z=2

2y+5-4=3
2y=2
y=1

hence
x=5, y=1 z=2

Answer Link

Otras preguntas

The transamination of a-ketoglutarate leads to the formation of this amino acid A. Aspartate B. Glutamate C. Asparagine D. Glutamine E. Valine

_____ is an explanation for Alzheimer's disease that suggests that changes in aging brain cells may trigger an autoimmune response that leads to the disease.

Hot dog vendors on the beach fail to cooperate with one another on the quantity of hot dogs they should sell to earn monopoly profits. A consequence of their fa

A 13 ft ladder slides down a vertical wall at a rate of 3 ft/minute. When the top of the ladder is 5 feet from the ground, what is the rate of change of distanc

Which of the following employee benefits has the greater value? (Assume a 28 percent tax rate.) a. A nontaxable pension contribution of $4,300 or the use of a

Consider the functions f and g defined by \[f(x) = \sqrt{\dfrac{x+1}{x-1}}\qquad\qquad\text{and}\qquad\qquad g(x) = \dfrac{\sqrt{x+1}}{\sqrt{x-1}}.\]Explain why

A smooth sphere with a diameter of 6 inches and a density of 493 lbm/ft^3 falls at terminal speed through sea water (S.G.=1.0027). Determine the terminal speed.

One way of measuring the advantage of financial leverage to the owners of the company is ________. A. to examine the earnings per share (EPS) of a company aft

____ are American-born children of Spanish settlers. A. Missionaries B. Creoles C. Mestizos D. Rancheros

All welding processes that take place without melting of the work pieces. a)- True b)-False