The volume formula for a sphere is . If the radius is 9 units, we make the replacement accordingly.
. 9 cubed is 729, so the formula now is
. Multiplying 729 by 4 and then dividing by 3 gives us the volume, in terms of pi, to be
Joaquin bought a dvd for $21. He gave the cashier$40. How many different combos of $1 $5 $10 can the cashier give him for change
2 answers:
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Answer:
Step-by-step explanation:
Given that,
The dimensions of an aquarium are 61 cm long, 30.5 cm wide, and 30.5 cm high.
The tank is filled to 80% capacity with water.
We need to find the water needed for this tank.
The volume of cuboid is given by :
As it is filled to 80% capacity, so,
So, of water is needed for this tank.