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Mathematics 19 Online
OpenStudy (anonymous):

The funnel has a diameter of 1.87 inches that includes a wall that is 0.125 inches thick. What is the maximum volume of the funnel rounded to the nearest hundredth? 2.52 in3 2.22 in3 7.57 in3 3.36 in3

OpenStudy (anonymous):

i can help you with this give me one sec to draw my answer.

OpenStudy (anonymous):

thank you!

OpenStudy (anonymous):

so. the diameter= 1.87 now we have to consider the difference in size because of the walls which are .125

OpenStudy (anonymous):

i will draw a diagram to show

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

|dw:1376258599632:dw|

OpenStudy (anonymous):

so we take the diameter and subtract the walls 0.125 x 2= .25

OpenStudy (anonymous):

1.87-.025=1.62 so 1.62 is our actual diameter

OpenStudy (anonymous):

now that we have that. we get our radius. radius=1/2 the Diameter

OpenStudy (anonymous):

so our radius is .81

OpenStudy (anonymous):

im sorry about before i did the problem and realized it required the formula for a cone not a cylinder because a funnel is in the shape of a cone so here is that formula: 1/3*pi*r^2*H

OpenStudy (anonymous):

then the answer would be

OpenStudy (anonymous):

where is the height in the problem it speaks of no height.

OpenStudy (anonymous):

it doesnt say

OpenStudy (anonymous):

ohhh. then i'm sorry i have just wasted you time wow. i feel bad. but anyways. ill try to find someone to help you one sec.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

yeah i cant find anyone. im sorry

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