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

30% of the people at a concert are female. 1295 of the people at the concert are male. Work out the number of people at the concert who are female.
The area of the base of a cylinder is 250.5 cm². Find the volume of the cylinder in litres, if it's height is 20cm.
how can stress caused by peer pressure negatively impact someone life quality
how many 1 cm cubes are there in 100 cm cubes volume?​
PLEASE HELP ME!!!!!! Clarence is building a treasure chest to use as a stage propi the school play. The chest will be filled with fake gold coins and treasure u
WILL GIVE BRAINLIEST IF FAST!! GIVE GOOD REVIEWS FOR CORRECT ANSWERS!
The 4th and 3rd terms. of two GoP₂ (A and B) are 36 and 54 respectively. The ratio of the first team of A to that of B is Find : (i) the value of a 2a 3a. (i) t
What is the history of cough syrup
Describe the purpose of 3rd party device drivers and why they are needed. Do device drivers ever need to be updated
Read the following sentence from paragraph 4 of the excerpt from Last Child in the Woods. He was right. Americans around my age, baby boomers or older, enjoyed