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

Which phrase accurately characterizes sexually transmitted infections (STIs)? are caused by bacteria, viruses, or parasites always cause visible symptoms are r

An integer is 8 more than 5 times another. If the product of the two integers is 36, then find the integers

explain cells in plants

Question 20 Indicate the answer choice that best completes the statement or answers the question. COMMUNITY EDUCATION A local community center offers self-defen

What's 1 out of 4 by 36

Daisy invests a total of $12900 in two accounts. One account pays 9% annual interest and the other pays 8% annual interest. If the total annual interest from bo

PLZ HELP Read this excerpt from The First Men in the Moon And now we could see, what no eye on earth will ever see, that under the blaze of the day the harsh ou

Solve this proof. I will give brainlist to whoever can solve it!

10. When strong/high speed wind blows, an umbrella held upright at times gets up-turned. Explain the reasons

Help---------------------------------------------