Voici les articles les plus récents de notre base de données:
nouvelle recherche

		Page 672/886

	Gasoline in a cylindrical tank		2005-03-23
		Jennifer pose la question : Gasoline is stored in a tank which is a cylinder on its side. Height of fuel is "h" meters and the diameter is "d". The length is "l". I need to find the amount of gas in the tank when the height is h and also to calculate the fraction of how full it is. Also, the part I am really confused on is this one, E(h/d) is the error of the function of h/d, when h/d is used to measure how full the tank is. For what value of h/d is the error maximal? Penny Nom lui répond.
	Expanding (x+2)(x+3)		2005-03-23
		Rick pose la question : The problem involves writing expressions, one in factored form and one in expanded form, for the area of a rectangle of sides x+2 and x+3. We've gotten as far as area = (x+2)(x+3). But I can't come up with the other expression. Penny Nom lui répond.
	Find the height of the pole		2005-03-22
		Dorothy Jean pose la question : From the top of a building 70ft.high, the angle of elevation of the top of the pole is 11.2 degrees. From the bottom of the building the angle of elevation of the top of the pole is 33.4 degrees. Find the (a) height of the pole and (b) the distance from the building. Penny Nom lui répond.
	|ax+b| = cx + d		2005-03-22
		Angel pose la question : |ax+b| = cx + d how to show sometimes the above has 2 roots, sometimes 1 root and sometimes no roots. Hopelessly lost on how to start... Penny Nom lui répond.
	The answer to a subtraction problem		2005-03-22
		Libby pose la question : What is the name of a number that is the answer to a subtraction problem? Diane Hanson and Claude Tardif lui répond.
	La limite de l'aire du domaine colorié		2005-03-21
		Rita pose la question : bonjour un petit problème qui m'a l'air bien compliqué et je n'est pour le moment aucune pistes pour demarré un carré de coté 1 est divisé en 9 carrés identiques et le carré central est colorié chacun des 8 carré qui restent est à son tour divisé et colorié suivant le meme procédé et on continue indéfiniment quelle est la limite de l'aire du domaine colorié? Claude Tardif lui répond.
	Two overlapping circles		2005-03-20
		Safi pose la question : I have a problem to calculate the area of two overlapping circles because two circles are overlap then how i calculate the overlap area to subtract from the area of both circle. Penny Nom lui répond.
	Tangents to a circle		2005-03-19
		Sue pose la question : You're given the equation to a circle (x-3)2 + (y-3)2 = 4 and you need to do 3 things: 1. Find a point on the circle 2. Construct an equation for a tangent line to the circle and through the point 3. Plot the circle, point and the tangent line on one graph Penny Nom lui répond.
	Dimensions of a roof		2005-03-18
		A roofer? pose la question : A right triangle (roof of a house) has a base of 7 feet and a 22 degree angle. What is the height of the roof and what is the hypothenus of the triangle. Penny Nom lui répond.
	The sum of the digits		2005-03-16
		kelsey pose la question : What is the sum of the digits in the decimal form of 21999 * 52002? Claude Tardif lui répond.
	A matrix construction problem		2005-03-14
		Marcelo pose la question : I want to know if is it possible to solve this problem: I have an empty NxM matrix and I know totals (sum) by rows and totals by column. Is there any algorithm to fill the matrix so that the summary of columns and rows gives the original values I have? Harley Weston lui répond.
	If the mixture is 1 pint to 6 gal		2005-03-13
		Trey pose la question : If the mixture is 1 pint to 6 gal. Do i use 4 pints to 24 gallons of gas Penny lui répond.
	The volume of a stock tank		2005-03-13
		Cord pose la question : I am a farmer and I have recently installed a new stock tank which is 1650" in circumference and 10' deep. How many gallons of water will it hold? Penny Nom lui répond.
	The square root of 2		2005-03-12
		Madhumita pose la question : From Pythagoras theorem we can draw square root 2 as a finite distance but it is irrational number which is endless. Explain how we can equate these two. Harley Weston lui répond.
	Doubling time		2005-03-12
		Nick pose la question : Looking for the equation to how many years it will take to double the population given the growth rate is 7%. Penny Nom lui répond.

		Page 672/886