hearts45 hearts45

03-11-2018
Mathematics

contestada

Help me find the answers for number problem 3 please

Help me find the answers for number problem 3 please class=

Respuesta :

Mareska95 Mareska95

03-11-2018

x + 2y = 5 /* (-1)

3x + 2y = 9

__________

-x - 2y = -5

3x + 2y = 9

add these two equations

_______________

2x = 4

x = 4/2 = 2$ for a hotdog

2y = 5 - x = 5 - 2 = 3 => y = 3/2 = 1.5$ for a hamburger

Answer Link

Otras preguntas

What is the slope of the line that passes through the points (-9, 10)(−9,10) and (21, 15) ? (21,15)? Write your answer in the simplest form.

In a city in Ohio, the sales tax rate is 7%. What is the sales tax of a pillow that costs $8? *

PLEASE DO THIS! WORTH 15 POINTS! Explain the significance (importance) of Nathaniel Bacon's Rebellion.

The short-run economic outcome resulting from the increase in production costs is known as . Now suppose that the government immediately pursues an accommodativ

Medium is something that requires the use of a camera.A. TrueB. False

What type of minerals make up more than 90% of the earth's crust? sulfites silicates stalagtites hematites

Whats h to the power of itself

Why did the boy stare at the princess? It is from "the lady or the tiger?"

1. A book is at rest on a tabletop. Diagram the forces acting on the book.

Read this research question: What was farm life in California like during the Great Depression? Which advanced search would likely produce the best research mat