"He starts both trains at the same time. Train A returns to its starting point every 12 seconds and Train B returns to its starting point every 9 seconds". Basically, what you need to do is find the least common multiple. The least common multiple of 12 and 9 is 36, so the least amount of time, in seconds, that both trains will arrive at the starting points at the same time is 36 seconds.
Answer:
Step-by-step explanation:
The formula for the volume of a cone is:
Given:
- Radius = 2cm
- Height = 9cm
Let's plug these into the equation:
Now solve:
Therefore, the volume of the cone is 37.7cm^3.
<em>I hope this helps!!</em>
<em>- Kay :)</em>
It would be 31. 31 is a whole number. since 0.91 is close to 1. We would round it to 31 because of that.
Answer:
idk lol but is this markel?
Step-by-step explanation:
9.
2x+3+x+9 = 180 => 3x = 168 => x = 56;
m(<ABD) = 2*56 + 3 = 115.
