Answer:
1/3
Step-by-step explanation:
7-9x=(x+3)+2x
7-9x=x+3+2x
7-3=x+2x+9x
4=12x
x=1/3
One angle = 90°
the other 3 angles = 360 - 90 = 270
so
x + 2x + a = 270 but a = 168
3x + 168 = 270
3x = 102
x = 102/3
x = 34
answer
x = 34
5 units = 2 yd.
1 unit = 2/5
Each piece of ribbon is 2/5 yd. long.
Answer:
easy A
Step-by-step explanation:
Sin 60 =

/2
cos 60 = 1/2
tan 60 =

The answer to your question is D. I hope that this is the answer that you were looking for and it has helped you.