nataliajohn nataliajohn
  • 02-11-2020
  • Mathematics
contestada

If (2x + 30°) and (3x + 10°) are supplementary angles, then the value of x is
options:-
20°
56°
28°
86°

Respuesta :

annie5639
annie5639 annie5639
  • 02-11-2020

Answer:

c. 28°

Step-by-step explanation:

2x + 30° + 3x + 10° = 180° ( Sum )

or, 5x + 40° = 180°

or, 5x = 140°

or, x= 28° [ans]

Answer Link

Otras preguntas

Since the desert air was so dry, the bread quickly turned stale. In this sentence, which words served as a clue that there is cause and effect? A . Quickly B. S
Describe an ethical dilemma table to an employee’s behavior at work or work discipline
Is it necessary to use the formulas for special products of binomials to multiply these binomials?
The company and all of ____ assets were released to creditors. A. it's B. its' C. its
Match the scenarios with the economic concepts they illustrate.
What are 3 non examples of a mineral?
Giving brainiest with legit answer is my answers correct?
Which lines from act I, scene I, of Richard III foreshadow the events to come in the play?
Why is it important to cite information in a research paper? A-It gives credit to the information sources. B-It provides background information about the topic.
Why did the Spanish want to colonize Latin America?