jakie2 jakie2
  • 23-02-2017
  • Mathematics
contestada

What's the answer to this question?

Whats the answer to this question class=

Respuesta :

Setor9
Setor9 Setor9
  • 23-02-2017
They are vertical angles. Vertical angles are angles opposite each other when two lines intersect.
Thus
3x=80-x. __Add x to both sides
3x+x=80-x+x.___Combine like terms
4x=80.____Divide both sides by 4 to find x
4/4x=80/4
1x=20
x=20

Answer Link

Otras preguntas

Solve: 1/5(10x-15) = 1/4(12x-8)
During the Gupta rule, Indians excelled in the arts including architecture and sculpture, but they did not advance much in medicine and science. Please select t
Which of the following were effects of the September 11 attacks? non-military air traffic was temporarily grounded the Transportation Security Administration wa
What is a protagonist?
Why did many conservatives disagree with New Deal economic policies? Many conservatives believed in balanced budgets, low taxes, and low government spending. Ma
Which of the following was NOT used by early humans to make tools? plant fibers wood bone bronze
What was the significance of the 1876 election?
Which countries on both sides of the Atlantic experienced revolutions during the late 18th and early 19th centuries?
InstructionsSearch your home for a rectangular prism. Some examples are a cereal box, a CD case, or a coffee table. Measure your prism using appropriate units,
What is the square root of 154.