4X+60=640
4X=640-60
4X=580
X=580/4=145
Answer: 1/1000
Step-by-step explanation:
1 * 10^-3 = 1 * 1/10^3 = 1/1000
Answer:
3/5
Step-by-step explanation:
sin is opposite over hypotenuse
find hypotenuse first -> Hypotenuse = 100 m
(notice that it is a 3-4-5 triangle)
60/100 = 6/10 = 3/5