Here are the newest items added to Quandaries & Queries:
start over

		Page 272/886

	Sawdust		2009-09-29
		From joel: What is the density of saw dust Answered by Harley Weston.
	The volume of a levee		2009-09-29
		From Wes: I need a levee with a 2:1 slope on both sides (front and back), the length of the levee is 290 feet, the height of the levee is 15 feet, and the width of the levee, at the top, is 10 feet. How do I figure out how many CUBIC YARDS of dirt I need to make the levee? And what formula do I use in future to figure this out easily? Answered by Penny Nom.
	Comparing fractions		2009-09-28
		From TeeTee: I am in 6th grade. I have to order these fractions from least to greatest: 3/4, 2/5, 5/8, 1/2.....How do I order them if I dont know where to start, and how would I find these answers...Please Help! :) Answered by Penny Nom.
	Evaluating -x^2 + (yz - 3)^2		2009-09-28
		From Kathy: My daughter and I are having trouble solving this equation: -x²+ (yz – 3)² if x=-4,y=2 and z=0 We are having difficulty with the -x² part of the equation. Thanks Answered by Penny Nom.
	A solution of 45% acetic acid		2009-09-28
		From Autumn: if a chemist has a 4 liter solution that consists of 90% acetic acid, how much water does he need to produce a solution of 45% acetic acid? Answered by Penny Nom.
	How many terms are there in this sequence?		2009-09-28
		From tabby: How many terms are there in this sequence? 5,1,-3,...,-111 Answered by Penny Nom.
	How fast am i going?		2009-09-28
		From ron: how fast am i going if i drive 40 miles in 20 minutes...what is the formula for figuring this out. Answered by Leeanne Boehm.
	A dog tethered to a round building		2009-09-28
		From mido: One dog was linked to the outer wall of a building round of 20 meters in diameter. If the length of chain linking the dog sufficient turnover of half the distance around the building, What area can guard dog? Answered by Harley Weston.
	The volume of a garbage bag		2009-09-28
		From Steve: I have often wondered how a garbage bags is determined in gallons - many different manufactures of these type bags often have different sizes stating they are a (for example) a 55 gallon bag - also I see some that show a range (20-30 gallon) yet is a specific size (16 x 14 x39 or a 30 x 36) I have searched and search but have been unable to find a formula Answered by Robert Dawson.
	Constructing a scale model		2009-09-27
		From Colleen: What is the formula i need to use to find out how to state a reasonable scale in the question below; Suppose you were constructing a model that must sit on a piece of cardboard that is 22cm by 28cm. STATE THE REASONABLE SCALE that you can use to build a model to represent the following items. Determine the dimensions of the model. a) a rectangular prism with a length of 5m and a width of 2m? Answered by Penny Nom.
	Probability		2009-09-27
		From Ed: My mother died 3 years to the day after her daughter died. what are the odds of that happening by chance? thanks Answered by Chris Fisher.
	A 15 acre lot		2009-09-26
		From Ronald: The front and back are equal and the two sides are equal what would what would be the dimensions of a 15 acre lot? Answered by Harley Weston.
	The zeros of a polynomial		2009-09-25
		From jordan: find a polynomial of lowest degree with only real coefficients and having the given zeros. 1+2i, 2 (multiplicity 2) Answered by Penny Nom.
	Revenue		2009-09-25
		From Oneda: Charter Bus Fares - For groups of 80 or more people, a charter bus company determines the rate per person according to the formula rate = 8 - 0.05(n-80_, n >= 80 where the rate is given in dollars and n is the number of people question a) express the revenue R for the bus company as a function of n. Answered by Penny Nom.
	Cubic feet of concrete		2009-09-24
		From aLAN: How many CF of concrete does it take to pour a 1000 SF area with concrete at 4" thick? I would like to see the steps and how you approach this too...thanks Answered by Penny Nom.

		Page 272/886