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 ( 52+ )
Otras preguntas
What type of characters is mrs.sparsit by the end of the book
In a strict liability if a company sells a beverage in a can that has sharp edges and injuries several consumers it will be held liable even if it didn't know a
What will a business typically do next after in reviews application and resume for a position
Which of the following is true about megalithic stone structures
Write the correct form of the verb tener. 1. Yo __ que estudiar todos los Dias para el examen de historia... 2. Nosotros siempre _____ que tomar apuntes en la c
Which of the following is not a reason that astronomers have trouble viewing distant stars? A.distant stars give off less light B.lights from cities on earth m
Find each product 5/6 × 10, 3/7 × 2/3, 5/8 × 2/3, 3 3/4 × 2 2/3, 2 5/6 × 1 7/8 answer all
If the mean weight of 4 backfield members on the football team is 222 lb and the mean weight of the 7 other players is 198 lb, what is the mean weight of the 11
Who was able to vote for an elected official of the Virginia House of Burgesses?
Identify which of the following words is an interjection. Ah, that feels good. A. feels B. Ah C. that D. good
