23-09-2016
Mathematics

contestada

What is the solution to the system of equations?

y = 1/3x – 10

2x + y = 4

Respuesta :

nobillionaireNobley nobillionaireNobley

23-09-2016

y = 1/3 x - 10 . . . (1)
2x + y = 4 . . . . . (2)

Putting (1) into (2) gives
2x + 1/3 x - 10 = 4
7/3 x = 4 + 10 = 14
x = (3 x 14)/7 = 3 x 2 = 6
x = 6

From (1), y = 1/3 (6) - 10 = 2 - 10 = -8
y = -8

Answer Link

Otras preguntas

Which point is on the graph of f(x) = 3.5*? will give brainliest for correct answer

Suppose that Matthew can choose to get home from work by car or bus. When he chooses to get home by car, he arrives home after 7 p.m. 6 percent of the time. Wh

If the story were set at a house, which image would best symbolize secrets

please help!!!! I will follow him/her

Can someone help me on this question please

This is the term in a polynominal without a variable

How do the circulatory and respiratory systems play a role in track and field?

The charts show demographic information. Chart 1: A 3 row and 5 column table. Column 1 contains the following entries: Population growth rate, Fertility rate,

HELP PLEASEWhat family of instruments does BMG play?

Which statement is true about the cell theory? It is based on a random guess. It is well-supported by evidence. It is unchangeable and permanent. It is a claim