Answer: She's wrong.
Step-by-step explanation:
Numbers of hours used in solving homework last week = 15
Numbers of hours used in solving homework this week = 18
Percentage increase = (18 - 15) / 15 × 100
= 3/15 × 100
= 1/5 × 100
= 20%
Since Maxie said that she spent 120% more time doing homework this week, she's wrong. She only spent 20% more.
1. secx / cscx
2. sinx /cosx
Answer:
35 students
70% of 50 = 0.7×50 = 35
5/18, I think
The formula of a volume of a cylinder:
We have r = 4 and h = 8: