sarahpardue1982 sarahpardue1982

01-03-2019
Mathematics

contestada

Solve the system of equations using substitution.

{y=9x
6x−y=−1

Respuesta :

quinnxhailey quinnxhailey

01-03-2019

Answer:

x = 1/3

y = 3

Step-by-step explanation:

6x - 9x = -1

-3x = -1

x = 1/3

y = 9

y = 9(1/3)

y = 3

CHECK:

6(1/3) - 3 = -1

2 - 3 = -1

-1 = -1

Answer Link

Otras preguntas

A roll of aluminium foil has a mass of 1.07 kg. What is its mass in pounds? a. 2.36 lb b. 2.36² lb c. 1.07² lb d. 1.07 lb

Phosphorus forms a 3- ion, and Magnesium forms a 2+ ion. The formula for the compound magnesium phosphide is: a) MgP b) Mg3P2 c) Mg2P3 d) MgP2

write a 2 sentence paragraph about how jealousy effects siblings

Hook sentence on why overcoming obstacles is important

Select 2 adjectives “The chemist opened the heavy door and quietly entered the bright, clean laboratory”

four babies are born at at given on a same day what is chance that two will be boys two will girls

Pls help. I will offer the brainliest to whoever answers this correctly

elon musk age now in 2024

Sarah has a bag of 50 rubber bands in different colors. She pulls out a rubber band, records its color, and then puts it back into the bag. Sarah records 4 bro

The triangular faces of the square-based pyramid below are all the same size. Work out the surface area of this pyramid. Give your answer in cm m². 19 cm 6 cm N