The exam started at 11:20 AM after 1hour and 20 minutes billy finished and left the room he left 15 minutes before me At what time did i leave the exam room

12:55 PM

Step-by-step explanation:

11:20AM + 1 Hour = 12:20PM

12:20PM + 20 Mins. = 12:40PM

12:40PM + 15 Mins. = 12:55PM

12:55.

Step-by-step explanation:

11:20 + 1 hour 20 minutes = 12:40

Plus the 15 minutes that you stayed behind.

12:40 + 15 = 12:55.

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

answer: 4 meters

step-by-step explanation: to you understand 2/3 better you can do 1 divided by 3 = . then multiply that by the 2 which is .66666666666666667 then you would do 6 x .66666666666666667 which is 4.      

hope this .