Answer:
126
Step-by-step explanation:
Total volume of sand = pi/3*(6^2)*(15) + pi*(6)^2*(30) = 1260*pi mm^3
So it will therefore take 1260*pi/10*pi = 126 seconds for all of the sand from the top hourglass to drip down to the bottom hourglass.
The cheetah is traveling at 25m per second.
Answer: Associative property
Step-by-step explanation:
X-15+9-4=x-10 there are ten fewer people after the second stop than the original amount
Answer
its the third one.
Step-by-step explanation:
