Answer:
Denote AH as height of triangle ABC, with H lies on BC.
Applying sine theorem:
AH/AC = sin 60
=> AH = AC x sin 60 = 47 x sqrt(3)/2 = 40.7
=> Area of triangle ABC is calculated by:
A = AH x BC x (1/2) = 40.7 x 30 x (1/2) = 610.5 = ~611
=> Option C is correct.
Hope this helps!
:)
B.
The line starts at the origin and goes down by two.
I believe that it is b=-3d+a
Answer:12/3=4 he washed 4 cars in an hour so he earned $20 per hour since 4*5=$20
Step-by-step explanation: