ernieeej
ernieeej ernieeej
  • 11-06-2018
  • Mathematics
contestada

two angles with measurements (5x+7) and (15x-7) are supplementary. what’s the value of x

Respuesta :

datguiser
datguiser datguiser
  • 11-06-2018
They add up to 180 degrees.

5x+7+15x-7=180

20x=180

x=9
Answer Link

Otras preguntas

The u.s. economy constantly cycles through periods of expansion and contraction based on financial, political, and geopolitical dynamics. during expansionary pe
Whalen Americans buys German-made cars, America’s are ............ these cars A) exporting B) importing C) taxing
The explicit rule for a sequence is given. an=3(16)n−1 Enter the recursive rule for the geometric sequence. a^1= a^n=
PLEASE HELP ASAP PLEASE I BEG
Complete and balance the precipitation reaction. include physical states in your answer. click here for solubility rules. cucl2 (aq) + na2co3 (aq) --->
Some one plz help me
Erica is cutting out letters for a science poster. Which letters on Erica's poster appear to have only 1 line of symmetry? ​
Which of the following contribute to the high cost of healthcare in the United States? Select all that apply. increasing educational costs decreasing education
**PLEASE HELP QUICK!!!**What is the central idea of the excerpt?A) People make mistakes when they speakB) People should work harder to improve our countryC)Peop
Loni makes a diagram to help organize what she has learned about the gas laws. Which label belongs in the region marked X? A.involves changes in temperature B.h