WoahhBro4788 WoahhBro4788
  • 03-01-2018
  • Mathematics
contestada

The sum of two numbers is 1. three times the larger number plus two times the smaller number is 18. find the numbers

Respuesta :

kritter1
kritter1 kritter1
  • 03-01-2018
Let x be the larger number and y be the smaller number; 

x+y=1 <--- x=1-y 

3x+2y=18 

3(1-y)+2y=18 
3-3y+2y=18 
-y=18-3 
-y=15
y=-15 

x+y=1 
x-15=1 
x=1+15 
x=16 

Hope I helped :) 
Answer Link

Otras preguntas

The term Harlem Renaissance best describes (1) state and federal laws passed to end racial discrimination (2) urban renewal efforts in New York City (3) governm
One criticism of the Warren Court’s decisions in Mapp v. Ohio (1961), Gideon v. Wainwright (1963), and Miranda v. Arizona (1966) is that the Supreme Court (1) l
The owner of a small computer repair business has one employee, who is paid an hourly rate of $22. The owner estimates his weekly profit using the function P(x)
how to do balancing equations
does vinegar melt ice the fastest
The current in a wire is 4.0 amperes. The time required for 2.5 × 10^19 electrons to pass a certain point in the wire is (1) 1.0 s (3) 0.50 s (2) 0.25 s (4) 4.0
A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is t
why do soluble salts have to be made by titration, using an indicator?
A submarine can descend at a rate of -2.5 meters/second. Suppose that the submarine begins at a depth of -25 meters. How long would it take the submarine to
How could sand dunes be held in place to prevent them from drifting onto a parking lot???