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

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

7th grade work please help and thank you!

Plant cells undergo photosynthesis to produce glucose, a usable form of chemical energy. The energy produced by plants becomes the base of an energy pyramid. Gi

What is the answer to life?

15 facts about water density experiment

mark twain stephen crane and gertrude stein

true of false? culture does not influence an person's weight

simplify write in standard form 10a(-6a^2+2a-7)

A chef made 12 gallons of soup. How many 2-quart containers can the chef fill with soup?

The North Pole was not fully explored until about 1958. TrueFalse

Both the complete subject and the complete predicate of a sentence can contain an adjective. TrueFalse