Ineedbettergradesplz Ineedbettergradesplz

03-05-2022
Mathematics

contestada

Solve the equations x + y = 300 and 12x + 15y
4,140

Respuesta :

belleza49 belleza49

03-05-2022

Answer:

x=120

y=180

Step-by-step explanation:

x=300-y

12x+15y=4140

12(300-y)+15=4140

y=180

substitute

x=300-180

x=120

Answer Link

Otras preguntas

What was one way life did NOT change for women during WWII?They joined the militaryThey took on jobs of men who were away at warThey gained the right to vote wh

What was the first battle of the civil war??

Mike needs to write the primary objectives of a project in a project plan. In which section should he write them? A. scope B. Overview C. baselines D. Schedule

What were the long term and immediate causes of the Great War?

Trent has an 6-foot tall tent in the shape of a square base pyramid with a base length of 14 feet and slant height of 8 feet. If one bottle of waterproof spra

plzz help me solve k/2+1/2=3 they are fractions btw

What is the main idea of this passage? Hitler had intended to kill Germany's Jews from the early days of the war. Hitler thought separating Jews into ghettos wo

What is a good website to create yourself, have a domain, and to sell things (DO NOT ANSWER IF YOU DON'T KNOW THE ANSWER AND DO NOT COPY SOMEONE ELSE ANSWER (O

I need help ASAP thank you!

Organisms that are responsible for taking in light energy to make their own food are known as which of the following?