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

HELP!!!!!!!!! I’m almost done
write an expression that is equivalent to 2 over 3 (4x + 9)
What was George Washington's role in the French and Indian War?        A. He was ordered to deliver a message to French settlers, but the French refused to yiel
In the 1930’s many countries refused to accept Jewish refugees because immigration quotas had already been
What is 175% of 14.2
If the measures in degrees of 3 angles of a triangle are x,x+10 and 2x-6 what kind of triangle is it
A rectangular aquarium 3 ft. x 2 ft. 1 ft. is 2/3 full of water. In cubic feet, how much water is in the tank
Two important cities of early Indian civiliation were Harappa and Question options: Ur Lagesh Cairo Mohenjo-Daro
find f' f(x)=sqr root(x+9), a=7use the definition lim f(x+h)-f(x)/h
What was the initial amount of water in a barrel, in liters, if there are now x liters, y liters were lost, and 6 liters were added? Pls explain A)x-y+6 B)y-x+6