Question

Each cone of the hourglass has a height of 12 millimeters. The total height of the sand within the top portion of the hourglass is 47 millimeters. The radius of both the cylinder and cone is 4 millimeters. Sand drips from the top of the hourglass to the bottom at a rate of 10π cubic millimeters per second. How many seconds will it take until all of the sand has dripped to the bottom of the hourglass?

Answer 1

PLEASE HELP..........

Answer 2

please try and help... :(

Answer 3

ok first you must draw the pic.

Answer 4

I already did that..

Answer 5

post here.

Answer 6

Okay. one second

Answer 7

Can you open it??

Answer 8

yes i have opened it .

Answer 9

How can you have 47 mm height of sand and only have 12 mm total heigth?

Answer 10

thats what i was wondering.. I'm not sure..

Answer 11

your question is wrong buddy.

Answer 12

may be you switched 12 and 47

Answer 13

should i call my teacher??

Answer 14

yes i think.

Answer 15

Review the information given, check for decimal points etc.

Answer 16

okay. hopefully what u guys are saying is true. or I'm going to sound like an unsmart person... and i copied and pasted it. so its right

Answer 17

Each cone of the hourglass has a height of 15 millimeters. The total height of the sand within the top portion of the hourglass is 45 millimeters. The radius of both cylinder and cone is 6 millimeters. Sand drips from the top of the hourglass to the bottom at a rate of 10π cubic millimeters per second. How many seconds will it take until all of the sand has dripped to the bottom of the hourglass?
OOPS... IT GOT MESSED UP. THIS IS THE QUESTION

Answer 18

Do you see the dilemma? The total height of both cones is 15 + 15 or 30 mm. How can the sand be at 45 mm?