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Answer:
x/3 +x/2 = x-3
Step-by-step explanation:
One-third of the number is x/3.
One-half of the number is x/2.
Three less than the number is x-3.
The expression you want is ...
x/3 +x/2 = x-3
___
The number is 18.
Answer: 0.03 and - 0.06
Step-by-step explanation:
The correct answers are:
Exact volume =

in^3
Approximate volume = V = 33.51 in^3
Explanation:The volume of the sphere is:

Since r = 2 in
Hence

in^3
(exact)
V = 33.51 in^3 (approximate)