The volume of a cone is 1/3 the volume of a cylinder that perfectly encloses it.
So, the volume of a cone that fits perfectly inside the can is 15/3 = 5.
Answer:
We have, volume of cone:
V = (1/3) x base area x height
= (1/3) x pi x radius^2 x height
= (1/3) x pi x 2^2 x 4
= 16.76 (mi3)
Option D is correct
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Answer:
9
Step-by-step explanation:
7r+18=r²
r²-7r-18=0
factorizing
r²+2r-9r-18=0
r(r+2)-9(r+2=0
(r-9)(r+2)=0
r-9=0
r=9
check
(r²)=(9*9)=81
7r+18=7(9) + 8=81
Answer:
1
Step-by-step explanation:
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There will be 5 cards on the last page.
Reason: 456/11=41.45 Round down to 41 because you can have part of a card. Then you do 41*11 which is 451. 456-451=5
