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 ( 38+ )
Otras preguntas
Faults are generally closely associated with?
Why do the two hemispheres of the brain control the opposite sides of the body?
National attention was drawn to the Scopes trial of 1925 because the case (1) represented a conflict between science and religion (2) reversed a previous Suprem
From the tone of Chief Joseph’s speech, “I Will Fight No More Forever,” you can infer that he has been pursued for a long time. a. True b. False
What are Inventions That i could make that Could Change The World
Which process occurs at the anode in an electrochemical cell? (1) the loss of protons (2) the loss of electrons (3) the gain of protons (4) the gain of electron
Dave started hiking at 120 feet below sea level. a) If he climbed 750 feet, whats his elevation now ? b) Dave then descended 420 feet in 1 hour. Find the averag
How can reading out loud help you understand difficult lines in Shakespeare's plays? a. The more you read the lines, the easier they will be to understand. b.
When did worshiping of ancient Greek gods come to an end?
What is the role of nucleotides in DNA structure?