cupcakes8227 cupcakes8227
  • 19-12-2017
  • Mathematics
contestada

Use the Substitution method to solve the system of equations. x + y = 20 30x + 25y = 550

Respuesta :

ktreyb
ktreyb ktreyb
  • 19-12-2017
Here is your answer. X = 5. I didn’t finish on the paper but if you plug in 5 for x, y = 15.
Ver imagen ktreyb
Answer Link

Otras preguntas

What is the unit for magnitudes in astronomy?
What is the range of the function y=4e^x? all real numbers greater than 0 all real numbers less than 0
A peeting zoo has 5 lambs 11 rabbits 4 goat and 4 piglets find the ratio of goat to the total number of animals.then explain its meaning?
A painter works 37.5 hours one week. if she worked 5 days how many hours did she work on average per day?
A bus travels 20 km in 30 minutes. What is the average speed of the bus?
What were the three basic societal changes that sparked the sociological perspective?
What identifies data outside of a normal condition?
How many extraneous solutions does the equation below have? (2m)/(2m+3)-(2m)/(2m-3)=1 0 1 2 3
How did the Kennedy administration react to the March on Washington?
When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. Write the y -