A) you just do 2^9 which is 512 cubic millimeters
b) using the average rate of change formula you get 56.78 cubic millimeters per month
c) I do not understand at all I am stuck on the same one<span />
Cylinder
Cone
Sphere
I guess
Answer:
90 kg of stone
Step-by-step explanation:
Adam has 8 x 25 = 200
19 x 22.5 = 427.5
20 x 50 = 1000
He has enough cement and sand
He needs 1090 - 1000 = 90 kg of stone
He needs 2 bags of stone
Answer: 6 hours
Step-by-step explanation:
Given, Tim and Jim are working on a school project together.
Tim takes 10 hours to complete the school project.
If Jim worked alone, it would take him 15 hours
Let t be the time they both take if they work together.
Then, 

So, it will take<u> 6 hours</u> to complete the school project together .
Answer:
square root 162
Step-by-step explanation: