9514 1404 393
Answer:
yes
Step-by-step explanation:
At each height above the base, the cross section of each cone shown is the same (a circle with the same diameter), so Yes, Cavalieri's Principle applies.
Answer:
D
Step-by-step explanation:
For the median GC, the distance from the vertex to the centroid G is twice as long as the distance from the centroid to the midpoint, that is
GC = 2 GD = 2 × 7 = 14 → D
The 1/3% would equal .33% hopefully that helps at least a little
Easy example that shows

:
Let

.
Then

.
So

, or

, and so

.
The basic idea is to find the period of the repeating decimal, move the

digits belonging to one period over to the left of the decimal point by multiplying by

, then subtract the original repeating decimal from this new number, and finally divide by

.
A slightly more complicated example:
Let

.
Then

.
Then

, or