eminemthebest10 eminemthebest10

16-02-2018
Mathematics

contestada

use the substitution to solve the system of equations

y= -2x

x-3y=21

Respuesta :

Banabanana Banabanana

16-02-2018

y= -2x
x-3y=21

x - 3(-2x) = 21
x + 6x = 21
7x = 21
x = 21/7
x = 3

y= -2x
y = -2*3
y = -6

(3, -6)

Answer Link

Otras preguntas

6 flowers in greenhouse and 2 are carnations. What fraction are carnations

Name at least five questions that you should ask yourself prior to using credit to make a purchase.

(a) Draw a scatter diagram of the data. Choose the correct graph below. A. 0 10 0 10 x y A scatter diagram has a horizontal x-axis labeled from 0 to 10 in

Compute the conditional probabilities P(A|B) and P(B|A). (Round your answers to three decimal places.) P(A) = 0.5, P(B) = 0.4, P(A and B) = 0.17

HELPP PLEASE LIL BRO ITS DUE IN A FEW MINS PLEASE

How does the author draw a connection between Mabel Ping Hua Lee's childhood experiences and her legacy as a feminist pioneer? A. She describes how being rai

Two manned satellites approaching one another, at a relative speed of 0.250 m/s, intending to dock. the first has a mass of 5.00 ✕ 10³ kg, and the second a mass

Can you generate a essay report on a likely outcome of a session talking to parents about parent child relationship

The Southern Pacific corporation fought the city of Los Angeles over funding for the Port of Los Angeles which the city wanted to be placed in Santa Monica Bay.

Question content area top Part 1 Between 1864 and 1995, carbon dioxide (CO Subscript 2) concentration in the atmosphere rose from roughly 286 parts per milli