Wesley1111 Wesley1111
  • 02-03-2017
  • Mathematics
contestada

Is (1,2) a solution to this system of equations? 18x+10y=19 x+15y=18

Respuesta :

14mahayonf
14mahayonf 14mahayonf
  • 02-03-2017
No that wouldn't be the solution because:

18x=10y=19
18*1+10*2=
18+20=38
Which isn't 19 so it cant be the answer.

And:
x+15y=18
1+15*2=
1+30=31
Which is also wrong because it doesn't = 18
Answer Link

Otras preguntas

Scarcity is the condition of not having enough goods and services to satisfy everyone's?
How is it possible for Mercury to have frozen ice ?
what is the answer for (20,8),(9,16) ?
Can someone use the word delta in a sentence
find an equivalent expression without parentheses -(50x-15y+15)=
Find Domain of the functionsquare root of (x-8)/x(x-9)
Scarcity is the condition of not having enough goods and services to satisfy everyone's?
Find Domain of the functionsquare root of (x-8)/x(x-9)
Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What
Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.