30 is 20% of the number 150
Well, first I split it up into two different equations:
6-4=2
5/8-2/9=.4027
Then, added the two: 2.4027
8 kilometers=8000 meters 1.5 kilometers=1500 meters 500 meters 8000+1500+500=10000 meters
Answer:
Step-by-step explanation:
BC = 20sin(61°) ≅17.5
AC = 20cos(61°) ≅ 9.7
perimeter = 20+17.5+9.7 = 47.2
Answer: 22.5
Step-by-step explanation: