vasquezarianna53
vasquezarianna53 vasquezarianna53
  • 04-01-2022
  • Mathematics
contestada

A triangle has sides of x + 4, 2x –3, and 12.Find the value of x if its perimeter is 22

Respuesta :

ammuchinnu20082009
ammuchinnu20082009 ammuchinnu20082009
  • 04-01-2022

Answer:

x = 3

Step-by-step explanation:

22-12 = 10

10- 4 = 6

6+ 3 = 9

now there's 3x's left (I added the first x and 2x)

9÷3 = 3

therefore x= 3

Answer Link

Otras preguntas

how have computers changed mapmaking in recent years
10u + 7 = 8 ( 2u - 4 ) - 9
36 is _______% less than 60?
how have computers changed mapmaking in recent years
on sara's computer, 3/8 of the hard drive is files. Of the files, 1/6 are games . What part of the hard drive is games?
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What were the 4 major truths Jefferson presented in the declaration of independence?
what are three ways water erodes the surface of earth
2 ( 4a - 12 ) + 3a = 6a + 1