lex122
lex122
27-10-2016
Mathematics
contestada
6x+5y=120, 7x+11y=202 solve for x and y
Respuesta :
AliceLEE
AliceLEE
27-10-2016
6x=120-5y -> x=20-5/6*y -> 7(20-5/6*y) + 11y =202 -> 140-35/6*y + 11y = 202 -> 140+31/6*y=202 -> 31/6*y = 62 -> y = 12.
Answer Link
VER TODAS LAS RESPUESTAS ( 37+ )
Otras preguntas
In a freshman high school class of 80 students, 22 students take Consumer Education, 20 students take French, and 4 students take both. Which equation can be us
If every oxygen ion has a charge of -2 what must the charge of each aluminum ion be
Suppose that in a particular country, the probability that a randomly chosen person is a left-handed baseball player is 0.017 and the probability that a random
NEED HELP ASAP Which statements are true regarding the area of circle D? Check all that apply. The area of the circle depends on the square of the radius. The
Which function has the same y intercept as the function y = 2/3x - 3 ? (1) x + 4y = 12 (2) 2/3x + 3y = -3 (3) -2/3x + 3y = 6 (4) 6x - 7y = 21
what does the golgi apparatus do?
what does FBOA stand for
witch of the following contries did presadent nixson try to invade without tellin congres
find the coefficient of Y^2 in the expansion of (2x+y)^3
Read the passage from "Two Kinds.” I had assumed that my talent-show fiasco meant I never had to play the piano again. But two days later, after school, my moth
ACCESS MORE
EDU ACCESS
