danielahchf danielahchf

02-01-2019
Mathematics

contestada

What is the value of x?

26
28
30
32

What is the value of x 26 28 30 32 class=

Respuesta :

sqdancefan sqdancefan

04-01-2019

Answer:

x=30

Step-by-step explanation:

The sum of angles of a triangle is 180°, so in ΔRST ...

∠R +∠S +∠T = 180°

(2x+10)° +(2x+25)° +(x-5)° = 180°

5x +30 = 180 . . . . . divide by °, collect terms

5x = 150 . . . . . . . . . subtract 30

x = 30 . . . . . . . . . . . divide by 5

Answer Link

Otras preguntas

PLEASE HELP ASAPP PLEASE

Fiona signed an agreement to either buy or not buy nick’s vacant lot for $310,000 by a specific date. What's this agreement called?

H=(,),()F=(),()Help please asapThanks so much

define the term quality of life

Please help! The graph shows a system of inequalities. Which point is a solution to the system? (0,-1) (2,3) (4,0) (6,-6)

Which of the following is true with respect to the following functions:

A bowl holds Fraction 3 over 10 cups of oil when it is Fraction 2 over 5 full. Which statement best describes the quotient of 3 over 10 division sign2 over 5? 1

why should you leave South Africa and to be citizen at another country

I need help with this

Thanom has a roll of paper consisting of a very long sheet of thin paper tightly rolled around a cylindrical tube, forming the shape indicated in the diagram. I