ewan1
ewan1
24-03-2015
Mathematics
contestada
solve simultaneous equation
2x + 4y = 1
3x-5y=7
Respuesta :
Panoyin
Panoyin
25-03-2015
2x + 4y = 1 ⇒ 6x + 12y = 3
3x - 5y = 7 ⇒
6x - 10y = 14
22y
=
17
22 22
y = 17/22
2x + 4(17/22) = 1
2x + 3 1/11 = 1
-3 1/11 -3 1/11
2x
=
-2 1/11
2 2
x = -1 1/22
(x y) = (-1 1/22, 17/22)
Answer Link
VER TODAS LAS RESPUESTAS ( 78+ )
Otras preguntas
a girl pushes herself up a steep ramp in her wheelchair. She gains a vertical distance of 25.8m when she reaches the top of the ramp. She turns around and coast
2. What three things does Mrs. Weera say killed off most of her family
Use the drop-down menus to answer the questions. Which job has a work environment that allows you to work in the same place every day? A. software developer or
What is the importance of Christmas essay?
In order to increase cardiovascular endurance, it is best to train with a heart rate within the__
The most likely reason a firm would decide to establish an extranet would be the desire to.
product differentiation is a key component of monopolistic competition. given the scenarios, label them accordingly by how products are differentiated.
a simple harmonic oscillator has an amplitude of 2.0 cm and a maximum speed of 13.0 cm/s. wht is its speed when the displacement is 1.00 cm?
these chemicals are carcinogenic by-products of chlorine compound manufacture and incineration that are mainly distributed through the air.
what would be the price of a stock that pays an annual fixed dividend of $1.3 for ten years, and then the dividend payment increases by 1% every year, and the r
