k43ruok k43ruok
  • 12-08-2021
  • Mathematics
contestada

How many solutions does the system have?
⎪
⎪
⎨
⎪
⎪
⎧
​

x+y=3
5x+5y=15
​

Respuesta :

khalilneedshelp
khalilneedshelp khalilneedshelp
  • 12-08-2021
x=3-y

5(3-y) + 5y=15

15y-5y+5y=15

15y=15

Y= 15/15

Y= 1


X+(1)=3

X=3-1

X=2




Final answer: x=2 and y=1

Method: simultaneous equations
Answer Link

Otras preguntas

Why is the ending of "The Lady, or the Tiger?" so effective? How does this ambiguity affect the reader?
Gregor's mother, Mrs. Samsa, appears as a to her husband. However, although she tries to prove her maternal love to Gregor, she fails miserably. When Grete asks
A circle fits in a square with sides of 12 inches. What is the approximate area of the shaded region between the square and the circle? (Use 3.14 for pi and rou
The first section of a sonata in which the theme is presented is commonly called the A. prodigy. B. recap. C. exposition. D. allegro.
WORTH 25 POINTS PLEASE ANWNSER AND DONT GUESS Fossils of the coelocanth, a primitive fish, date back about 140 million years. Modern coelacanths are virtually i
What role did James Madison play in the development of democracy in the United States
Veins returning to the heart can close to prevent the backflow of blood. Which component in the veins contributes to this process?
On your own paper, solve the system of equations using elimination and identify the solution. Always list your answer alphabetically in order pairs. 5e + 4f=9 4
Muscle strain and soreness more likely if you
The slope of the line 5x – y = 12 is