Answer:
75 minutes or 1 hr and 15 minutes
Step-by-step explanation:
for history, he studied 2 hrs and 40 minutes....thats a total of 160 minutes
this is 10 minutes more then twice the time he spent on his last exam.
let x represent the time spent on last exam
160 = 2x + 10
160 - 10 = 2x
150 = 2x
150/2 = x
75 = x.......so he spent 75 minutes (or 1 hr and 15 minutes) on his last exam
Answer:
-40m = 59.2
Step-by-step explanation:
simplify
1/10 as a decimal would be 0.1. Now just add the 8 to it and it would be 8.1.
The answer is “Yes, Mr. Yule’s sample is random and representative of the population” cause he randomly chose people from all greases
Answer:
(13,9) I think
Step-by-step explanation:
I hope this helps and I hope I can get Brainliest! =)
