briannachatman2
briannachatman2
09-09-2017
Mathematics
contestada
If x+y=2 and x-y=1 then:
Respuesta :
Аноним
Аноним
09-09-2017
x + y = 2
x - y = 1
Adding the equations,
x + y + x - y = 2 + 1
2x = 3
x = [tex] \frac{3}{2} [/tex]
x + y = 2
y = 2 - x
y = [tex] 2 - \frac{3}{2} = \frac{4-3}{2} = \frac{1}{2} [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 98+ )
Otras preguntas
a distribution has the five number summary shown below. what is the range of the distriution? 14,46,52,67,85
A hoop, a solid cylinder, a spherical shell, and a solid sphere are placed at rest at the top of an inclined plane. All the objects have the same radius. They a
Which is a more effective way to communicate – using literal language or figurative language?
The only difference between variable and absorption costing is the expensing of ________.A) direct manufacturing costs B) variable marketing costs C) fixed manu
What is the main idea of taizong’s argument?
Which themes are most heavily explored in Acts I through II of Julius Caesar? a.Dreams and love b.Greed and failure c.Honor and ambition d.Rebirth and change
In watermelons, bitter fruit (B) is dominant over sweet fruit (b), and yellow spots (S) are dominant over no spots (s). The genes for these two characteristics
The heights of a certain type of tree are approximately normally distributed with a mean height
1. Choose the property that justifies the following conclusion. If AC = AB + BC and AB + BC = 13, then AC = 13. O symmetric property transitive property reflexi
Renault has created a way to generate high profits on low-priced automobiles by using simple designs that incorporate components from older car designs and a no
