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

If an airplane flies at an average speed of 7.5 miles per minute, in 1 1/2 hours it will have flown?
Select the correct answer. In which figure is ? A. figure 1 B. figure 2 C. figure 3 D. figure 4
Jim wants to start an additional restaurant for which he wants professional advice. Which professional organization can help Jim?
Given f(x) = 3x-1/2 , solve for f−1(4).
if there are 300 worms in 100m2 of lawn , what is there population density
. Which points are on the graph of the function rule f(x) = 10 - 4x? (2, -18), (0, -10), (-2,-2) (-2, 18), (0, 10), (2, 2) (18, -2), (10,0), (2, 2) (-18, 2), (-
Is the sentence in natural order or inverted order? Many breeds of dogs enjoy playing in water. Inverted or natural
how do you find the net force acting on an object? a- find the reaction force b- assume there is no friction c- add all the force vectors d- find the largest
Does the data set display exponential behavior? X 1234 Y1234 Yes or no
Imagine you are trying to convince your district’s school board that eliminating elective courses for struggling students is a bad idea. Which appeal would most