highschoolhelp9 highschoolhelp9
  • 03-01-2018
  • Mathematics
contestada

What is the value of x?

What is the value of x class=

Respuesta :

ElenaClaudia
ElenaClaudia ElenaClaudia
  • 03-01-2018
if ∡A ≡ ∡B ∡C   ⇒   ΔABC = equilateral ⇒ AB = BC = AC

3x - 5 = 2x + 20
 (AB)      (BC)

3x - 2x = 20 + 5 

x = 25


Answer Link
Аноним Аноним
  • 04-01-2018


1)4x - 30 = 2x + 20 
2x = 50
x = 25 
2)4x - 30 = 3x - 5
x = 25
3)3x - 5 = 2x + 20
x = 25

 ΔABC = equilateral 
Answer Link

Otras preguntas

During which period were the people organized as chiefdoms? A) Archaic B) Mississippian C) Paleoindian D) Woodland
Sarah and Maria made a telephone using two cans and a string. They pulled the string tight and Maria went out into the hallway. When Maria spoke into her can, S
Which example is nonpoint-source pollution? A. polluted rainwater B. a factory discharging wastes into a river C. smokestack emissions from a factory D. sewage
a historian researching ancient greece discovers that greek historians often had few sources amd included mythological elements in their stories about the past
What is the pythagorean theorem?
In which year did Congress propose a confederation A 1776 B 1777 C 1787 D 1789
What are 5 clothing items in French?
How did the Atlantic slave trade lead to the stagnation of Africa's culture and economy?
Which of the following represents a list of common nouns? A. cup, plate, Tupperware, Rubbermaid, party B. child, adult, nurse, doctor, County Hospital
Identify the two whole numbers between which the product lies 7×8/10