Natalia1634
Natalia1634
01-10-2017
Mathematics
contestada
Explain please thanks
Respuesta :
Catya
Catya
01-10-2017
all the angles inside a triangle add up to 180°.
(2x + 15) + (5x + 5) + x = 180
8x + 20 = 180
8x = 180 - 20
8x = 160
x = 160/8
x = 20
the question is asking what angle B is,
B = 2(20) + 15
B = 40 + 15
B = 55°
Answer Link
VER TODAS LAS RESPUESTAS ( 62+ )
Otras preguntas
What is the most logical first step in solving the equation x2 +6x+9 = 10 ?
Write something about holiday activities
how many times larger is 2x10^3 is 8x10^6
Yesterday, 64% of the 6th grade students chose to drink chocolate milk with their lunch. What fraction of 6th grade students Did Not drink chocolate milk?
How would you like to live within five miles or a hazardous waste site One out of every four Americans des Hazardous waste including heavy metals, ONK Solvents
As they move through a DC circuit, electrons collide with ________ in resistors. A. atoms B. resistance C. current D. voltage
If the European Parliament gave Nasrin a Human Rights Award, do you think they agreed with the crimes she was accused of in 2010? EXPLAIN.
Help plz I’m lost due in 10 min
Write a one-sentence summary of each of the sections in "Self Help"
Why was the Zimmerman telegram a reason for the United States to join world war 1