500 is reduced by 70% what remains
2 answers:
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By definition, the surface area of the sphere is given by:
Where,
r: sphere radio
Clearing r we have:
Substituting values:
Then, the volume of the sphere is given by:
Substituting values we have:
Answer:
the volume of the sphere is:
Where,
r: sphere radio
Clearing r we have:
Substituting values:
Then, the volume of the sphere is given by:
Substituting values we have:
Answer:
the volume of the sphere is:
The thickness of the board was decreased from 3 / 4 inches to 9 / 16 inches.
Therefore,
So the board's thickness in inches decreased by