03-04-2017
Mathematics

contestada

2x+5y=60
2x-5y=-20

Please show work!

Respuesta :

Goalinetsky Goalinetsky

03-04-2017

(2x+5y=60)
- (2x-5y=-20)
-------------------
10y=80
y=8

2x+5(8)=60
2x+40=60
2x=20
x=10

Answer Link

Otras preguntas

The bowed shape of the production possibilities frontier can be explained by the fact that a. economic growth is always occurring. b. the only way to get more o

Motorcycle plates in colorado have three numbers followed by three letters. how many motorcycle plates area available with these restrictions? (assume there are

Celina had a rectangular tablecloth with dimensions x feet and 3 feet. she put lace along 4 feet of the edge of the tablecloth. an expression is shown below: (2

A sack contains red and blue marbles. the ratio of red marbles to blue marbles is 4:3. if there are 16 red marbles in the sack, how many blue marbles are in the

Roberto's grandmother has alzheimer's disease. therefore, you would expect to see too __________ of the neurotransmitter __________ in her brain.

In the constitution where is the right to trial by jury found

A 14-year-old male fell 10 feet from a retaining wall and hit his head on a metal post. he is responsive to verbal stimuli with incomprehensible speech. the se

What is sargon known for? a. defeated the world's first empire and established a republic b. ruled over his father's empire with an iron hand and made it bigger

Read the sentence. Later they discovered a faint trail through the dark forest. Which words are nouns?

The term "umami," Commonly used to refer to the savory flavor of meat and cheese, is derived from