owentrull owentrull

11-11-2020
Mathematics

contestada

What is the most efficient way to solve this system of equations, and why?
3x+4y=-1
y=-x

Respuesta :

germaincruz255 germaincruz255

11-11-2020

The most efficient way to do this is by plugging in -x to y

Work:

3x+4(-x)=-1

3x-4x=-1

x=1

Answer Link

Otras preguntas

A company makes $1 million in after-tax profits for the year. It spends the entire amount on new equipment. Which of the following is true? a. Its leverage rati

If a certain number is increased by 5, one-half of the result is three fifths of the excess of 61 over the number. find the number

complet the following using appropriate preposition1. Is your mother __________________ home?

How i spend my winter vacation

Round the fraction to the nearest 1/2. 1/9 A. 0 B. one-half C. 1

If you have a drop to end of the hose into a mop bucket in turns the water on to feel it what has the food handler done wrong

When hydrogen gas reacts with oxygen gas, the potential energy diagram for the reaction will appear more to which of the following?

While working in the lab, you observe the following volume. What is the value that should be recorded? Select one: a)17.4 mL b)18.4 mL c)13.4 mL d)19.4 mL

Solve the equation. -9x + 1=-X+17 Ox=-8 Ox=-2 Ox=2 Ox=8

Which of the following statements about African American soldiers in the Civil War is NOT correct? Select the best answer from the choices provided. A. African