19/x=sin 20
19/sin 20=x
x=55.5522836
Answer: 2:3
Step-by-step explanation:
Answer:
- 2
Step-by-step explanation:
It's a simple rule, all you are doing is subtracting 2 every time.
Multiplying a number by 4/5 and then dividing by 2/5 is the same as multiplying by 2