tommybcc tommybcc
  • 02-07-2020
  • Mathematics
contestada

Helpppppppppppppppppppp solve for x

Helpppppppppppppppppppp solve for x class=

Respuesta :

Wishing Wishing
  • 02-07-2020

Answer:

x=35

Step-by-step explanation:

Since a quadrilateral's interior angles add up to 360°, we get this:

360-85-20=360-4x+x

340-85=360-3x

255=360-3x

-105= -3x

Multiply both sides by -1

105=3x

3x=105

Divide both sides by 3

x=35

Answer Link
ACCESS MORE

Otras preguntas

a story on reward of truancy​
2 What is the sign of 48 + 39 colo Choose 1 answer: Positive Negative Neither positive nor negative--the sum is zero.​
What is inside the blue box in the mail? A. tickets B. food ads C. checks D. tree sap
Uchenna bought a cap for $250 he sold it to kola at a 20percentage profit. what did kola pay?
Jimin works everyday after school delivering newspapers. Every weekday he earns $5 and in total on the weekends he earns $17. What are his average earnings per
could some give the answers AND a good explanation
Health psychology focuses on
Still Life with Chair Caining. Various junk is placed on a chair in the cubist style. Who created the piece above?
Assuming we have 100.0 g of element A, how much will be left after 4 half lives?
I'll Give Brainliest, You roll two fair, four-sided dice. Let the random variable X = "the sum on the face of dice."Which of the following is the correct relati