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

		Page 50/886

	A rectangular box filled with oil		2017-04-11
		From morpal: we want to calculate volume of rectangular box height 1275mm and lengths 2400mm and breadth 1270mm and oil s. gravity is .950 how much kg. of oil i can store Answered by Penny Nom.
	Rational numbers between -2 and -3		2017-04-08
		From Medha: Find 12 rational numbers between-2 and -3 Answered by Penny Nom.
	A circle inscribed in a 30-6-90 triangle		2017-04-07
		From Kameron: i have been given a problem with a 30-60-90 triangle and a circle inscribed with a radius of 2 and was told to find the perimeter of the triangle Answered by Penny Nom.
	Successive Differences		2017-04-06
		From Twaha: Please find the equation of the sequence 1 2 4 7 11 16 22 Answered by Penny Nom.
	The height of a isosceles trapezoid		2017-04-03
		From Riham: Hi How can I find the height in an isosceles trapezoid if I have the measurements of all of its sides ? Thank u in advance. Answered by Penny Nom.
	How to find last two or three digits of a large exponent like 17^256?		2017-03-30
		From Raginee: How to find last two or three digits of a large exponent like 17^256? Answered by Penny Nom.
	A puzzle with some integers		2017-03-30
		From Glen: Use 7,7,5,5 to equal 3 only using each # once and each math function once Answered by Penny Nom.
	13 - 3x = x times the square root of 5		2017-03-29
		From Kevin: A student I am tutoring was sent this question from his teacher. Solve for x: 13 - 3x = x times the square root of 5 Answered by Penny Nom.
	Is the square root of 2 plus the square root of 2 irrational?		2017-03-29
		From haya: how can i prove the the square root of 2 plus the square root of 2 is an irrational number? Answered by Penny Nom.
	How much money do I make per sq ft?		2017-03-28
		From jackie: If I make $12.00 per hour and I cover 750 sq ft in one hour, how much money do I make per sq ft? Answered by Penny Nom.
	Is a large integer divisible by 2^n?		2017-03-28
		From Sahand: You are given number x that is very large (that large that it can't be divided by hand) can we find out that x is divisible by 2^n or not? Answered by Penny Nom.
	Quadratic Equations		2017-03-28
		From Natalie: Hi Maths Central, I am having trouble with quadratic equations. The question is: Calculate the length 'l' of a rectangular pool by creating and solving a quadratic equation. 1. The rectangular pool is of equal area to a square pool, and a circular pool (5.70m^2). 2. The length of the rectangular pool must be 2m longer than the width 'w'. Thank you so, so much for your help, Maths Central! Answered by Penny Nom.
	The sum and difference of two numbers		2017-03-20
		From Olivia: The sum of two numbers is 87 and their difference is 29. What are the two numbers Answered by Penny Nom.
	Differentiate y = x^x^x		2017-03-19
		From Nafis: differentiate y = x^x^x Answered by Penny Nom.
	Is infinite a number?		2017-03-18
		From Divyansh: Is infinite a number? If yes why as i think that numbers are used for counting but infinite is undeterminable? Answered by Penny Nom.

		Page 50/886