11-12-2016
Mathematics

contestada

Solve the system of equations.

5x + y = 9
3x + 2y = 4

Respuesta :

11-12-2016

y=-5x+9

3x+2(-5x+9)=4
3x-10x+18=4
-7x=4-18
-7x=-14
x=2

5(2)+y=9
10+y=9
y=9-10
y=-1

The answer is (2,-1) :)

Answer Link

Otras preguntas

(0) Find an equation for the hyperbola that satisfies the given conditions. Foci: (0, ±3), vertices: (0, ±1)

which of the following terms is considered the basic unit of data in a database?

Answer + method / explanation please

a major economic problem president truman faced immediately after the war was

after landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 47.0 cm . the explorer finds that the pendulum completes 90.0 ful

Identifying the Layers of the Sun B D E Identify the parts of the Sun labeled A, B, C, D, and E. Label A Label B Label C Label D Label E

according to hall’s approach, which of the following is considered a high-context culture?

which prompt does the root user receive when logged in to the system?

Peak-hour traffic demand between an origin–destination pair is initially 3500 vehicles. The two routes connecting the pair have performance functions t1 = 2 + 3

In the context of the continuity of limited liability companies (LLCs), which of the following statements is true? A. Membership in LLCs is limited to individua