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

Question 5 Unsaved A story ends with a character undecided about moving to a new city or staying with the partner she loves. What type of conclusion is this?
how do you use trig to determine displacement
Which of the following could be considered the meaning of the word "Maaah" that Zlateh continued to use in response to Aaron's conversation with her in the stor
whats the answer and step by step solvation for 6(n+4)=-18?
If jamel does 2 sets of 25 push ups if he does this 10 times each month how many push ups does he do each month write and equation to show your work
When a concrete road is heated by energy from the Sun, the Concrete will most likely
What is 20k+11=8k+1 find k
Which statement best describes a cause and its effect that occurs during the process of muscle contraction? A. The presence of calcium ions within nerve cells
Franklin's plan at Albany was not approved by the colonial assemblies because they did not want to give up any of their...….
Write a ratio for each situation 310 beats per minute