StormRider6379 StormRider6379

01-05-2017
Mathematics

contestada

Which ordered pair is a solution of the system of equations?

y=3x+1

y=5x-3

A.(0,1)

B.(2,3)

C.(2,7)

D.(1,2)

Respuesta :

Kmieteczka Kmieteczka

01-05-2017

{y=3x+1 |*5
{y=5x-3 |*(-3)

{5y=15x+5
{-3y=-15x+9
+___________
2y=14

{y=7
{7=3x+1

{3x=6
{y=7

{x=2
{y=7

The answer: C

:)

Answer Link

Otras preguntas

Claude Bernard first recognized _____. separate fluids outside and inside the cell plant stomata opening and closing to maintain homeostasis feedback loops chem

Numerical data are called _____. what is going to be ? estimates ? facts ? quantifiers ? or statistics ?

explain what the variable represents in a addition expression

The singular thing or event that catches one’s attention is called __________. a. sensory b. attention c. stimulus d. memory

Tensions increased over time between Jamestown colonists and _____.

Which of the following statements best describes 21st-century migration flows to the United States?

People need to have _____ in the economy to spend money. a.) purchasing power b.) confidence c.) less disposable income

What is 2/3 of 12348

Jerome added two numbers. The sum was 83. One of the numbers was 45. What was the other number? Work shown please

Doing exercise can change the body and the way it functions. a. True b. False