Annalisef2007 Annalisef2007

02-03-2021
Mathematics

contestada

please help this is the last question and i don’t understand

please help this is the last question and i dont understand class=

Respuesta :

Podetola Podetola

02-03-2021

Answer: 30

Step-by-step explanation:

The angles of triangles have to add up to 180°

So:

x + x + 70 + x + 20 = 180

Bring like terms together

x + x + x + 70 + 20 = 180

3x + 90 = 180

Subtract 90 from both sides

3x = 90

Divide both sides by 3

x = 30

Answer Link

Otras preguntas

Logan is studying the reproductive rate of fruit flies and uses the table below to record the fruit fly population every week for 7 weeks. Which of the followin

$1, 000 after 2 years at an interest rate of 3.0% is $ round up to the nearest cent.

Sara falls down almost every time she goes ice-skating. What is the likelihood that she will fall down when she goes ice-skating this weekend?

what is the factorization of 81a6 - 100? (9a2 − 10)(9a3 10) (9a2 − 10)(9a3 − 10) (9a3 − 10)(9a3 10) (9a3 − 10)(9a3 − 10)

All of the following are true of fascist doctrine in italy except: a. believed in strong government that is involved in many aspects of society, including busi

A sectarian school is run by a. the department of education. b. a religious church or denomination. c. the state. d. the parents.

Which answer best summarizes the events from the poem contained in the following lines? "This plainly he saw then Who with mirth of mood malice no little Had wr

The intensity of radioactive sample is commonly measured using a(n) _____. photographic plate electrically charged plate wilson cloud chamber geiger counter

Using aller in a complete French sentence, tell the region people need to go if they wanted to see the following, Famous castles on the river

Which of the following countries does not have issues with coral reef damage? Maldives Myanmar Indonesia