drew1200p9konv
drew1200p9konv drew1200p9konv
  • 02-06-2018
  • Mathematics
contestada

What is the value of x?

What is the value of x class=

Respuesta :

vidalmari6p99qfk
vidalmari6p99qfk vidalmari6p99qfk
  • 02-06-2018

x=21

x-4 + 3x +100=180

x + 3x =84(180-100-4)

4x=84

x=21

x-4=17

3x21=63

100+21+63=180

Answer Link
torie001
torie001 torie001
  • 02-06-2018
x=21

since there are 180° in a triangle you just have to make sure its equal,so it would be :
(21-4)+(3 *21)=100°
17+63+100=180

there for x equals 21
Answer Link

Otras preguntas

Which term describes how low or high a sound is? tone beat pitch vibration
My sister is 11 years old. My brother say that his age minus thirteen is equal to my sister age . How old is my brother
How to solve this maths problem?Pls help​
Hurricane katrina was a catastrophe,contributing to the problem was subsiding of the region from 3 to 12 feet per 100 years.Which one of the following is not a
Which sentence is punctuated correctly? Rico had a hard time choosing between feeding giraffes, playing with baby goats or riding, camels during his day at the
Help me with 3, 5 and 6 please I don’t get it !
Can someone plss help?
Check the box next to each stressed syllable. Old Meg she was a marvel. Old Meg she was а mar Vel
Describe how people navigate/live in a world of fear
please help me A football player kicks a football and exerts a force on the football of 0.4 kg (m/s²). The football’s acceleration is 0.92 m/s². What is the ma