bcam
bcam bcam
  • 12-07-2016
  • Mathematics
contestada

Given these equations x+y=9.0

0.50x+0.20y=4.05
What are the values of x and y

Respuesta :

trankieuoanh164
trankieuoanh164 trankieuoanh164
  • 12-07-2016
X= 9.0 -y
=> 0.5(9-Y) +0.2Y=4.05
=> 4.5-0.5Y+0.2Y=4.05 
=> 0.45=0.3Y
=> Y= 1.5, X=7.5
Answer Link

Otras preguntas

Why would a teacher say that meiosis is actually mitosis happening twice?
how to make a sentence with conflict resolution?
Why would a teacher say that meiosis is actually mitosis happening twice?
A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 per cent larger than the original. By what percentage has the area of the logo incre
what are the 3 requirements listed for members of the senate
The sum of a number and 3 times the same number is 100. What is the number?Equation: Solution:
what transfer nutrients into the blood stream and body.
An advertisement for a new model of luxury sedan would target ________??1.new drivers2.families 3 businesses 4.professional  adults
Create a newspaper article about visiting the great exhibition, London.Could anyone please give me some points that I could include.Thank you
wht is the ocelot favorite food?