Seudónimo Seudónimo

03-01-2017
Mathematics

contestada

Given the system of equations:
2x + 2y = 16
6x + 4y = 38
What is the value of X?
A. 13
B. -1
C. 3
D. 1/3

Respuesta :

fencingparry4 fencingparry4

03-01-2017

2x=16-2y
x=8-y

6(8-y)+4y=38
48-6y+4y=38
48-2y=38
-2y=-10
y=5

8-5=x
x=3 <-Answer

Answer Link

Otras preguntas

Hydration helps your body stay the right ______________, not too hot or too cold. A. weight B. temperature C. color D. size

create your own definition for the word confrontational

the level of water in a measuring cylinder rose to 90cm³ mark when a piece of stone whose mass is 10 g was dropped in the measuring cylinder. the initial volume

Read the passage. Transforming Children's Television Mister Rogers' Neighborhood, created by Fred Rogers, first appeared on national television in 1968. Rogers

You know the trip is 450 kilometres (km) long, and your little one has to stop exactly 2/3 of the way for a break. When you head back out to the car, she asks "

For what values of x what is the invalid expression?

How does Frank Auerbach achieve a sense of three-dimensional depth in his drawing? If Auerbach's purpose is to capture something of the sitter's personality, wh

Which equation describe this graph?

Could you please help me for this question?

(a) In triangle ABC, the line BD is perpendicular to AC. AD= (x + 6) cm, DC = (x + 2) cm and the height BD=(x + 1) cm. The area of triangle ABC is 40 cm? i) Sho