The volume would be 4.19 because you would do V=(4/3)(pi)(1^3) :) thats how you get your answer :)
Answer:

Step-by-step explanation:
Given




Required
Probability of selecting 2 nickels without replacement
This can be represented as: 
The solution is as follows

The second nickel is reduced by 1 because the first nickel was not replaced and this also reduces the total by 1
So, we have:





The notation of the above inequality:

Can be written as an interval:

Or group of points on a line that satisfy the linear inequality.

Or simply:

Hope this helps.
r3t40
Answer:
x=81°
Step-by-step explanation:
The sum of all angles in a triangle is 180°
57+42=99
180-99=81
Answer:
2(- 64f + 21)
Step-by-step explanation: