23mking
23mking 23mking
  • 23-02-2021
  • Mathematics
contestada

Find the value of x.

Find the value of x class=

Respuesta :

ethanbennink3
ethanbennink3 ethanbennink3
  • 23-02-2021

Answer:

x = 9

Step-by-step explanation:

A triangle's interior angles must add up to 180, and with one angle labeled as a right angle, we know that the two remaining angles must add up to 90.

So,

(3x - 5) + (7x + 5) = 90

3x + 7x - 5 + 5 = 90

10x = 90

x = 9

Answer Link

Otras preguntas

Based on the activity,how many words are familiarto you?​
A statement or point that a person argues is true is a(n) .
PLEASE HELP I NEED AN A FOR THIS TO PASS which statement provides evidence that supports the idea that energy is conserved in this closed system
Maria——prepara para una boda. 1me 2Os 3se 4Te
HELP PLS MY TEACHER WANTS TO KNOW THE ANSWER!!! Missy is getting married and addressing invitations. She has at least 140 envelopes and has addressed 26 of them
4) What is the name of the last day of the Lunar New Year?
2x-3y=42 solve for y
the dimensions of health operate independently; they dont affect one another. true of false
Factor completely. m4 - n4 (m^2 + n^2)(m - n)^2 (m^2 - n^2)(m + n)(m - n) (m^2 + n^2)(m + n)(m - n)
during the 15 century who was known as one of the most enthusiastic explores in portegesse expansion