armariotaburete987 armariotaburete987
  • 19-11-2020
  • Mathematics
contestada

En una granja entre gallinas y conejos hay 20 cabezas y 52 patas. Cuántas gallinas y cuantos conejos hay en la granja? Ecuación de primer grado

Respuesta :

Anki12
Anki12 Anki12
  • 19-11-2020

Answer:

a=14

b=6

Step-by-step explanation:

a+b = 20

2•a+4•b=52

a+b = 20

2a+4b = 52

Answer Link

Otras preguntas

6 Who was Franklin D. Roosevelt, and how is he related to the 22nd Amendment? A He was elected President and championed the ideal of the presidency as "a place
At Cineplex Ocho it costs $12 for each adult ticket and $9 for each student ticket. The expression 12a+9s can be used to find the ticket sales in dollars. For t
What is the volume of a cylinder, in cubic cm, with a height of 19cm and a base diameter of 6cm? Round to the nearest tenths place
please help i need this quickly
Help very urgent!!!!
scientists have calculated that the earth is 4 540 000 00 years old. How many billion years is this
One-hundred and forty students are randomly polled at your school about what their favorite lunch food is. The results are organized in the Venn diagram below.
An area experiences warm, moist air that rises in the atmosphere and forms large cumulonimbus clouds. Which severe weather event is likely to occur? Drought Hur
Kenji packed an exercise ball into a cylindrical package. The cylindrical package is made out of plastic. How much plastic was used to make the package? Express
who created the system for classfying and naming plants and animals