eternalflame08 eternalflame08
  • 24-10-2018
  • Mathematics
contestada

find two numbers that have the sum of 77.95 and a difference of 30.61

Respuesta :

Awste
Awste Awste
  • 24-10-2018
x+y=77.95
x-y=30.61

x+x+y-y=108.56
2x=108.56 (divide by 2 both sides of the equation)

x=54.2

y=77.95-x=77.95-54.2=23.67

y=23.67

answer: they are 54.2 and 23.67
Answer Link

Otras preguntas

What was the significance of the War Powers Act? It granted more power to the president to declare a war. It prevented Congress from withholding fundi
Which group of words in the sentence is a prepositional phrase? A father goose and his goslings flew above the pine trees and then landed in an open field. A.
Which of the following is true about Chief Justice John Marshall
Each gram of glucose contains approximately how much energy
Suggest reasons why we can live with one kidney, but we are born with two?
Does perception and vision mean the same thing?
How do we measure trace gas pollutants in the atmosphere?
Which of the following was not a professed aim of the Sugar Act of 1764? to curb smuggling on key sea routes off the eastern coast to raise revenues through red
solve using the unit rate problems find the constant speed 60 miles in 1.5 hours what is the answer.
Which role does the government play in a free enterprise system?