Answer:
√194 i think
Step-by-step explanation:
Answer:A
I just took assignment on edge.
Answer:
3.5
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Use the formula for the SA of a hemisphere.

Now we can find the radius of the hemisphere, which is 15.
Then, we can square that and multiply it by 2 to get 450.
Now, let's use the formula for the Volume of a hemisphere.

Now we can cube 15 and multiply it by 2 to get 6750.
Then we can divide this number by 3.
2250.
So the answer is D.
Answer:

Step-by-step explanation:
The formula of a volume of a cube:

<em>a</em> - edge
We have

Convert to the improper fraction:

Substitute to the formula of a volume:
