Then he slept 9 times. Because every hour is 60 minutes, since 1/3 of an hour is 20 mins, it should be 3 times per hour. So using basic math, 3 times 3 equals 9
Answer:
Step-by-step explanation:
Let the initial side be x
<u>New skatepark has dimensions:</u>
<u>Its area is:</u>
- (x - 5)(x + 6) =
- x² + 6x - 5x - 30 =
- x² + x - 30
The mechanical advantage is the ratio of the radii: 5/0.5=10.