Gary used candle molds, as shown, to make candles that were perfect cylinders and spheres:
A cylindrical mold is shown, the radius of the top circular section of the cylinder is labeled 2 inches and the height of the cylinder is labeled as 4 inches. On the right side of this mold is a spherical mold. The radius of this spherical mold is labeled as 2 inches.
What is the approximate difference in the amount of wax needed to make a candle from each of these molds? Use π = 3.14.
16.75 cubic inches
20.93 cubic inches
24.25 cubic inches
33.49 cubic inches
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OpenStudy (calebb8133):
@Will.H
OpenStudy (calebb8133):
@horse_rider_133
OpenStudy (calebb8133):
help i have to get this right!!!!!!
OpenStudy (calebb8133):
i think D
OpenStudy (horse_rider_133):
i dont know it sowwy calebb
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OpenStudy (calebb8133):
:(
OpenStudy (calebb8133):
do u know someone who might?
OpenStudy (horse_rider_133):
@tsh
OpenStudy (calebb8133):
@Will.H
OpenStudy (calebb8133):
@triciaal
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OpenStudy (calebb8133):
########
OpenStudy (calebb8133):
I FORGOTTEN THIS
OpenStudy (horse_rider_133):
@kj
OpenStudy (calebb8133):
@KJSaif
OpenStudy (calebb8133):
:)
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OpenStudy (horse_rider_133):
@KJSaif
OpenStudy (calebb8133):
help plz
KjSaif (kjsaif):
@Will.H
OpenStudy (calebb8133):
i think i is D
OpenStudy (horse_rider_133):
@codes
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OpenStudy (horse_rider_133):
@@Lxdrpr
OpenStudy (calebb8133):
thank i @Will.H
OpenStudy (calebb8133):
*U
OpenStudy (horse_rider_133):
he helped u
OpenStudy (will.h):
Alright. Apparently we will have to find the volumes and then find the difference.
I'll bring my calculator hold up
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now i think it is D but i just want to be 100% sure!!!
OpenStudy (calebb8133):
@Will.H where u go?
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OpenStudy (will.h):
A cylinder volume is
V = pi * r^2 * h
We have r as 2
H as 4
V = 50.27
Now find volume of sphere
V = (4/3) * pi * r^3
V = (4/3) * pi * 2^3
V = 33.51
Difference is
50.27 - 33.51 = 16.76