monkeyklugh
monkeyklugh
21-10-2017
Mathematics
contestada
Find the value of angle c?? Please help
Respuesta :
badogbone
badogbone
21-10-2017
180 = (2x+10) + (3x + 20)
180 = 5x + 30
Subtract 30 from both sides
150 = 5x
Divide both equations by 5
30 = x
Now since a and c are vertical angles a = c
So plug in 30 for x
2(30) + 10 = c
60 + 10 = c
70 = c
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
Verify the basic identity. What is the domain of validity? cot theta = cos theta csc theta
According to a 1993 World Bank report, East Asian economic growth in the late twentieth century was due, in part, to A. educational programs focused on free h
What is Orlando Florida's physical and human system?
A sailboat depreciates at 15% of its original value each year. If the sailboat was $9500 at its time of purchase, what is the value of the sailboat after 7 year
Which verb form correctly completes the sentence? That outdoor lamp __________ all day in the bright sunlight; let's turn it off. A. has shoned B.
How did Egyptians face life? Why?
Mrs. Ramiriz is making pies to sell at the local farmer’s market. It costs her $5 to make each pie, plus a one-time cost of $30 for baking supplies. She plans t
The part of the electromagnetic spectrum that has the longest wavelengths is
Find the measures of two angles, one positive and one negative, that are coterminal with pi divided by two.
when a toy truck collides with a toy car, the momentum of ____________ is the same before and after the collision.
