Stinkypete2013 Stinkypete2013

03-12-2019
Mathematics

contestada

find the solution of this system of equations. -x - 5y= 30, 10x + 5y= -75

Respuesta :

Yang100 Yang100

03-12-2019

Answer:

x=-5, y=-5. (-5, -5).

Step-by-step explanation:

-x-5y=30

10x+5y=-75

-----------------

9x=-45

x=-45/9

x=-5

-(-5)-5y=30

5-5y=30

5y=5-30

5y=-25

y=-25/5

y=-5

Answer Link

Otras preguntas

Find an equation of a parabola with a vertex at the origin and directrix y = –2.5 See attachment for choices.

2/10 in whole number

how are atoms and elements related? a. elements can be broken down but atoms cannot. b. all elements contain different types of atoms. c. every element contains

within the energy clouds are electron paths a. called electrons levels. b. called energy beams. c. called energy levels.

Compared to other minerals, a mineral that is ranked higher on the Moh’s scale will be: a. harder b. more dense c. shinier d. more reactive

describe two traits of a good scientist.

what are two advantages and two disadvantages of permanent agricultural settlement

a schema is an organized way of viewing the world around you. true or false.

charakterystyka juranda ze spychowa

This theory was the driving force behind the Kennedy administration’s actions in Vietnam. What was it?