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 ( 95+ )
Otras preguntas
WILL GIVE Brainliest! Choose the word or phrase that best completes each sentence about Doña Gracia. Doña Gracia was born in Portugal to a Spanish___ family. Sh
please find the percent, will give brainliest, no bots, and the answer is not 200%
The potential difference across the two ends of a bulb is 20Vand the current flowing through it is 5A. Find the resistanceoffered by the bulb.
How did the vietnam war begin to change in the early 1970s?
can someone help me with this please
Which best defines a pioneer species? O a species that enters an area and makes its own food O a species that enters a community that is stable and balanced O t
In Julius Caesar, why does Brutus choose to die by giveing no live to ones slef at Philippi? Caesar's ghost urges him to do it, and Brutus is too afraid of the
The first step when dividing 9m2 − 4m − 6 by 3m is shown. Which could be the next step? 3m − − 3m − − 3m − − 3m − −
What type of characteristics are located in dna
7. During normal breathing, about 12% of the air in the lungs is replaced after one breath. Write an exponential decay model for the amount of the original air
