coco0330
coco0330
02-06-2016
Mathematics
contestada
how do you solve this?
Respuesta :
apologiabiology
apologiabiology
02-06-2016
find the soluiton
2x+2y=16
3x-y=4
x+y=8
3x-y=4+
4x=12
x=3
3(3)-y=4
9-y=4
y=5
(3,5)
test them to see if get true statment
obviously the first equatons of 1,2,4 work
1 doesn't work
2, works
4. doesn't work
2 is the same as the first except both euations are just doubled
answer is 2
Answer Link
VER TODAS LAS RESPUESTAS ( 32+ )
Otras preguntas
What is 2 1/2 inches measured to the nearest quarter inch
is the underlined verb in the sentence a linking verb or an action verb? our team won the volleyball tournament. a. linking verb b. action verb
Because Giselle did not make the track team this year, she wants to improve her skills and try again next year. Which of the following can best help her prepare
Can you change 6% into decimal?
A parachute works because the canvas of the parachute is acted upon by ______. a. inertia b. gravity c. velocity d. momentum
Determine which relation is a function. A. {(–5, 1), (–5, 0), (–2, 1), (–1, 4), (6, 2)} B. {(–5, 1), (–2, 0), (–2, 2), (3, 4), (6, 2)} C. {(–5, 1), (–2, 0), (–
How did the Civil War affect women? A)It required them to take military training classes to prepare them for battle. B)It forced them to stay within the home t
what is the range of f(x)=(3/4)^x - 4 a.{y|y > -4} b.{y|y>3/4} c.{y|y<- 4} d.{y|y/4}
Mateo is constructing an equilateral triangle inscribed in a circle with center P. He draws the diameter of the circle through center P using a straight edge. N
yuna missed 5 points out of 100 points on her math test.what decimal number represents the part of her math test that she answered correctly?
