12 hours converted into minutes is: 720 minutes
We know that 1 hour is converted into 60 minutes, so to get 12 hours converted into 720 minutes, multiplication comes in handy when doing this.
Every hour includes of 60 minutes each. Times the 12 hours you're converting with 60 minutes.
12 × 60 = 720
Answer: 
Step-by-step explanation:
Given
The height of the cylinder is 
Circumference of the base is 
suppose 'r' is the radius of the cylinder

The volume of a cylinder is 

Step-by-step explanation:
Hello there!
Again, just double the given sides.
20+38=58 cm
:)
Answer:
-0.9
Step-by-step explanation:
-0.9 × 100 = -90