Jinwon
Jinwon Jinwon
  • 12-09-2017
  • Mathematics
contestada

1/y - 1/x = 1/60
3y - 2x = 6
(Simultaneous question)

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 12-09-2017

1y - 1/x = 1/60 = x*y =60 = x=60/y

3y - 2(60/y) = 6

3y^2-120=6y

3(y^2-40-2y) =0

y^2-40-2y=0

y = 7.4


3(7.4)-2x=6

22.2-2x = 6

2x = -16.2

x = -8.1



Answer Link

Otras preguntas

The ratio of men to women on a train was 5:8 there was 200 men - A- how many women were on the train B- how many people were on the train all together
_______ is the tendency of matter to resist any change in motion.
Factor out the coefficient? 4h - 3
A population of black cats has been interbreeding. However, in one litter, a sole gray kitten is born. The successive generations now have a few gray cats. Whic
Estimate the difference 100-21
round 523.5987756 to a whole number
Which was a result of the Boston Tea Party? A trial and public hanging of British soldiers Passing of the Intolerable Acts The Sons of Liberty publicizing the B
Divide    a^2+7a+12/a+4
"People do not often create records for the benefit of historians. They produce them for other reasons..." -Chris Hinton,1998 Based on this statement, histor
Audrey has $120 to spend on a tennis racket and lessons.The racket costs $45 and lessons cost $15 per hour. Define a variable.Then write and solve an equation t