abarragan170 abarragan170

12-12-2019
Mathematics

contestada

X+Y=100
4.5X+20Y=822
Elimination, graphing,and substitution methods.

Respuesta :

12-12-2019

Answer:

y=10

4 SX +20 Y= 822

Elimination

X - 10 -4

UX - 822-20Y

6.5

10 -4 = 822-201

45

- 4.5 = 822 - 204

15.54=774

4 = 90:13

= -40.129

Answer Link

Otras preguntas

When you come across your host eating, what is it considered polite to do in spain?

how old am i if 509 reduces by 3 times my age is 209?

According to the Torah, which of the following is true of Abraham? A. He established the kingdom of Israel. B. He gave the Israelites the Ten Commandments.

Factor the expression over the complex numbers. x2+50

Plants take in and release oxygen gas.

Which best compares and contrasts Banking and Investment Planning? A) Both require workers to have math skills for calculating risk, while Banking also requires

A runner runs 8 miles in 92 minutes. What is the runner’s unit rate?

Why are there so few structures still surviving from ancient Mesopotamia?

Directions: Match each excerpt from "Song of Myself" by Walt Whitman to the poetic device used. Type the letter of your answer in the space provided. Hous-es

What were industrial leaders (Like Rockefeller in Oil Industry and Carnegie in Steel Industry) able to do by creating monopolies and establishing trusts? A. s