Natalia1634 Natalia1634

01-10-2017
Mathematics

contestada

Explain please thanks

Explain please thanks class=

Respuesta :

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

Otras preguntas

What was South Carolina’s role in helping achieve equal rights for African-Americans?

Slaves were expensive and viewed as a status symbol. True or False

John owns a shoe store. At the end of each month, John decides what he wants to do with the profits. What type of economic system is this? *Civics question

A town’s population went from 25,800 to 42,600 in 15 years. What was the percent of change? 61% 39.4% 35% 65.1%

simplify (x-7)(6×-3)

help CPR QUESTIONS um pls

3. A published poll has indicated that 1 out of 15 people who use regular gasoline will pay $.40/gallon more for regular gasoline without ethanol. a. A local se

1. What is your y intercept for the equation y=1/2x-3?

if you have two supplementary angles, are they sometimes, always, or never a linear pair

Can you guys answer these questions ASAP, thanks will give brainliest