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

name a non-metal which can change shape without breaking
Identify the equation that translates y = l n (x) five units down. y = l n (x minus 5) y = l n (x) + 5 y = l n (x + 5) y = l n (x) minus 5
Her sharp claws had torn some offending hand. Is some a pronoun?
If O2O2 is collected over water at 40.0 ∘C∘C and a total pressure of 755 mmHgmmHg , what volume of gas will be collected for the complete reaction of 23.87 gg o
What lies ahead of us and for the world after the CoronaVirus? Write a short essay (200-300 words) explaining your opinion.
what is tolerance(explanation)​
I need help ASAP THANK YOU
combine like terms to create an equivalent expression -1/2(-3y+10)
Balance the following equations: 1. Mg(OH)2 + H3AsO4 → Mg3(AsO4)2 + H2O 2. NH4NO3 → N2O + H2O 3. AsCl3 + H2O → H3AsO3 + HCl 4. C4H10O2 + O2 → CO2 + H2O Use the
True or false questions President Johnson was impeached by the Senate and found not guilty by the House of Representatives. a. true b. false 16 Answer: Most sou