Answer:
The bells ring again together at 6:30
Step-by-step explanation:
10 minute bell
6 6:10 6:20 6:30 6:40 6:50
15 minute bell
6 6:15 6:30
The bells ring again together at 6:30
Step-by-step explanation:
m< AOC = 90°
m< AOB +m<BOC = 90°
6x-12+3x +30 = 90°
9x +18° = 90°
9x = 90- 18° = 72°
x = 8°
m<AOB =6(8)-12 = 48-12 = 36°
5.75 if you don’t count the lunch break because I don’t think a lunch break can be twelve hours because it would’nt even be a shift
