dayonajones68ow65mb dayonajones68ow65mb
  • 03-11-2017
  • Mathematics
contestada

What is the value of x ?

In ∆ABC, m∠A=(3x + 7)°, m∠B = (2x − 8)°, and m∠C=(5 − x)°

A.29
B.40
C.46
D.44

Respuesta :

Аноним Аноним
  • 03-11-2017
so,

1) 3x+7+2x-8+5-x=180
2) 4x+4=180
3) 4x=176
4) x=44

Answer is D
Answer Link

Otras preguntas

if you're hiking in the mountains and find a cliff of granite which of these statements must be true? A) the granite formed near the earths surface B) the grani
hich is a theme of "Perseus and the Quest for Medusa's Head"? A. A rashly made promise is not always one that must be honored. B. Nothing good can c
the gas station is 44 kilometers away. how far is the station in miles if 1 mile is 1.6 kilometers
What is the slant height for the given pyramid to the nearest whole unit? Pyramid base: 12 cm Height: 8 cm
Digraphs are voiced combinations of two or three consonants. t f
When did Germany accept defeat?
The most widespread pollutant that can cause long-term lung damage is:
Which risk is common with both tanning and tattoos? cancer hepatitis irritation allergic reaction
The Alien and Sedition Acts, signed into law in 1798, were, for the most part, intended for A) illegal aliens. B) French nationals. C) British radicals.
How many moles of Pb are required if 8 moles of PbCl2 are produced