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	More on a roll of paper		2021-05-07
		Stephen pose la question : Can you help with the equations to calculate the length of paper required to achieve a target outside diameter when wrapped around a core please? The inside diameter of the cardboard core is 76mm The thickness of the wall of the cardboard core is 5mm The thickness of the paper is 138microns The desired outside diameter of the finished roll is 320mm I hope you can help me with a solution, Thank you Harley Weston lui répond.
	The amount of material remaining on a roll		2016-11-11
		Yoh pose la question : Question from Yoh: Hello, I am trying to find impressions on a roll (either full roll or partial). Let's say I have the following information. - Outer Diameter of roll - Inner Diameter of roll (cardboard core) - thickness per layer - Each cut off length (impression length) Now let's say a roll has a 40in outer diameter, the cardboard core has a 3.75in diameter and a thickness of .002. Each impression has a cut off of 14inches. With this the roll will have approximately 2,700 impressions. How would I find the remaining impressions if the outer diameter of the roll is only 6.5inches? Thank you. Penny Nom lui répond.
	The length of a roll of paper		2015-01-12
		Peggy pose la question : roll of paper 3ft wide and roll equals 500 sq ft how long would the roll be? Penny Nom lui répond.
	Wallpapering a room		2012-02-08
		jimmy pose la question : Ms. Frank is going to wallpaper a living room with dimensions 24 feet long, 18 feet wide, and 8 feet high. What surface area does Ms. Frank plan to wallpaper? Penny Nom lui répond.
	A reel of paper		2011-06-03
		keith pose la question : if a full reel of paper has 7750 metres on it with a diameter of 1240mm and a core diameter of 100mm how can work out the thickness of each strip of paper therefore allowing me to work out the metreage of the roll when its half in diameter at say 620mm Penny Nom lui répond.
	How many labels are left on a roll?		2010-08-13
		Melissa pose la question : Is there a simple way to calculate how many labels are left on a roll? I thought there was a way to look at the individual label length, the label thickness and the core diameter and then measure the overall diameter to calculate how many pieces were left, but I'm struggling. I've seen a tool before- I thought we called it a circle calculator, but those parameters were all that I needed to input to spit out the correct count. I never saw what was behind the scenes for this calculation. Ie factoring in revolutions or the number of pieces on each layer, etc. Please let me know if you have any suggestions. Any assistance will be greatly appreciated!!! Thanks! Penny Nom and Tyler Wood lui répond.
	A roll of paper		2010-03-25
		keith pose la question : how many yds of paper for a roll with a width of 6.875 and a core of 3 in and a diameter of 40in? Robert Dawson lui répond.
	A paper tube		2010-02-21
		shailesh pose la question : How can i estimate weight of paper tube from size. i have paper tube inner diameter : 22mm, thickness : 2mm, length : 14mm. so how can i got weight of paper tube? Harley Weston and Tyler Wood lui répond.
	A paper towel roll		2009-08-19
		Jeff pose la question : I am making a spiral tube with paper that is 2" in dia. and 102" long I will be using paper that is slit 3" wide how many lineal feet of paper will I need to to cover the 102" I will be using 3 rolls of paper that will over lap the other by half to make a hard tube (paper core) in a roll of paper towels Thanks Jeff Penny Nom lui répond.
	A roll of paper		2009-07-05
		mark pose la question : is there a simple way of finding out how much is left on a roll of paper. i have read similiar questions and answers on here but all seem very complicated and not being very good at maths does not help me much. some are in inches and all have different figures to mine so if i give my figures hopefully i wil understand it better. the radius of the cardboard core is 52.25mm, the radius of the paper at 2000 linear meters is 158.625mm. the thickness is 0.17mm. when nearing the end of the paper how do i work out how much is left in a simple way. thank you in advance for any help you can give me Harley Weston lui répond.
	Winding paper after a break		2009-04-10
		Olen pose la question : Question from Olen: I work in a paper mill and have been handed the task to search for a formula to determine how much paper needs to be added to a parent roll to make up the difference at the winder. (Ex. The spool diameter at the reel is 18.25" we measure roughly 33.5" to make two 58" rolls in the winder. If the is a paper break and the roll diameter in the winder is 30" how much do I add to a single parent roll (22" roughly) to make one 58 " and the 28" needed at the winder. I would appreciate any help to complete this task. I would like to be able to build a chart that operators can refer to based on what is needed. Thank you. Harley Weston lui répond.
	A 1.5:1 rectangle		2009-03-23
		melody pose la question : I have an origami model that says to use a 1.5:1 rectangle. I don't understand how to calculate the size of paper I need to use. Surely there is a formula to calculate this ratio? Thanks for your help. Penny Nom lui répond.
	A property that decreases in value every year by 10 percent		2009-03-07
		PEter pose la question : there is a competition problem where a cottage is worth 25000 years, but it decreases in value every year by 10 percent. Without a calculator, is there a way to find after how many years, the cottage will be worth 2500? (besides multiplying it out and besides logs) Stephen La Rocque lui répond.
	Wall covering		2008-12-10
		Jeanie pose la question : I need to convert 14 LY of wallcovering (54" wide) to square feet. Can you please help me? Penny Nom lui répond.
	A roll of paper		2008-03-05
		Sheik pose la question : How I Convert My Roll Weight Into Meters? Roll Width : 241mm Thickness : 56gsm Weight :81 Kg Harley Weston lui répond.
	A conical cup		2007-10-18
		Nicholas pose la question : Water is leaking out of a small hole at the tip of a conical paper cup at the rate of 1cm^3/min. The cup has height 8cm and radius 6cm, and is initially full up to the top. Find the rate of change of the height of water in the cup when the cup just begins to leak. Since V= (pi/3)r^2h, how do I eliminate a variable or change the equation so I that I can answer the question? Thanks. Penny Nom lui répond.
	How do i form a paper cone		2007-04-14
		Sash pose la question : How do i form a paper cone with the height of 25 cm, the slant height of 25.8 cm, and the radius of 6.2 cm? Stephen La Rocque lui répond.
	Line segments on dot paper		2007-01-21
		Khaori pose la question : The three line segments below are drawn on centimeter dot paper. a. Find the length of each segment to the nearest ten-thousandth of a centimeter. b. Could these line segments be arranged to form a triangle? If no, explain why or why not. If yes, answer this question: could they form a right triangle? Explain why or why not. Penny Nom lui répond.
	Linear feet on a paper roll		2006-03-20
		Vishal pose la question : I WOULD WISH TO KNOW OF A STANDARD FORMULA BY WHICH I CAN CALCULATE THE LINEAR FEET OF A PAPER ROLL AS PER THE FOLLOWING DETAILS:- THICKNESS: 150 GSM (GRAMS PER SQUARE METER) REEL WIDTH: 85 CM REEL DIAMETER: 140 CM REEL INNER CORE: 10 CM REEL WEIGHT: 946 KG's Stephen La Rocque lui répond.
	Folding a sheet of paper		2005-12-15
		Victoria pose la question : The current problem is to take a normal 8 1/2 x 11 sheet of paper, take a corner and fold it to meet the opposite corner, and (without actually measuring) produce a formula to describe the result fold/crease. Penny Nom lui répond.
	A roll of paper		2005-04-16
		Tuomas pose la question : How would you calculate a diameter of a paper reel when the paper is 0,04 millimeters thick and for example 5000 meters of it is winded on a 76 mm (3inch) core. Penny Nom lui répond.
	Dots on squared paper		2001-03-30
		Tom pose la question : Consider some squared paper with lines 1cm. apart and dots where the lines cross. Place squares whose sides are whole numbers of centimetres on the paper in such a way that the sides of the squares always lie along the lines on the paper. For each square, find (a)the number of points inside the squares; (b)the number of points on the square and (c)the area of the square. How are these quantities related? Leeanne Boehm and Penny Nom lui répond.
	Making a paper cone		2000-07-30
		John pose la question : The question of how to lay out & cut out of paper, cones came up. I would like the cone have : A base of 4 inches and height of 4 inches, 6 inches, 8 inches. Harley Weston lui répond.
	A roll of paper		2000-01-15
		Richard pose la question : I have a roll of paper, wrapped around a corrugate core, whos diameter is 10.750 in. The outer diameter of the roll is approx. 60 in. The thickness of the paper is .014 in. I am trying to find out how much linear feet of paper is left on the roll, given only the diameter of paper remaining on the core. Chris Fisher and Harley Weston lui répond.
	Dotted graph paper		1999-04-08
		Bridget Winward pose la question : A teacher at our school is trying to locate dotted graph paper online or in print. His class would like to make three dimensional, geometerical drawings. Please let us know if you have a good source. Jack LeSage lui répond.

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