31/7 = 4 3/7.....3/7 is less then 1/2....so the closest integer is 4
Construct the perpendicular bisector of ST
Answer:
(-∞, 0) U (8, ∞)
Step-by-step explanation:
This is a 90-60-30 triangle so the angle is 30 degrees.
Answer:
1.65 minutes
Step-by-step explanation:
10 9/10 + 5 3/5 = 16 1/2
16 1/2 divided by 20 = 1.65 or 33/20