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:
Truth plz
Step-by-step explanation:
Answer: x < 4
Step-by-step explanation: You are trying to isolate the variable, x, so you have to subtract 1 on both sides of the inequality. Then, you are left with x < 4.
Answer:
6 if pedro and his two brother will have coins. If he doesnt get any for himself and gives it all to his brothers then they each get 9.
Step-by-step explanation:
I used my calculator.