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

		Page 812/886

	Three problems		2000-12-14
		Sarah pose la question : Hi, my name is Sarah, and I'm asking this question on behalf of niece who is in secondary two. Thank you. Q1. What is the angle formed by the hour hand and the minute hand of a 12 hour clock at 5.50pm. . . . Penny Nom lui répond.
	What is the difference between Mean and Average?		2000-12-13
		Julie pose la question : What is the difference between Mean and Average? My thinking is the average, is the equal to the sum of all numbers divided by the number of numbers added together. But the mean, I think should be calculated by adding the largest and smallest numbers in the set and them dividing by 2. (which is the point where 1/2 the numbers are higher and 1/2 the numbers are lower) Patrick Maidorn and Penny Nom lui répond.
	Prime factorization		2000-12-13
		A student pose la question : What is the prime factorization for 250 1296 and 2400 Penny Nom lui répond.
	A limit using l'hopital's rule		2000-12-13
		Wassim pose la question : I need to know how to solve the: limits of (x ( to the power lamda) -1 )/LAMDA when lamda tends to zero ( the answer is that the functional form is ln x) and I still don't know how using hopital rule leads to this answer. Harley Weston lui répond.
	Scientific notation		2000-12-12
		Guy pose la question : How do I express 1.000.000 in scientific notation? Harley Weston lui répond.
	Direct and inverse variation		2000-12-12
		Ashley pose la question : I'm stuck on this unit of direct and inverse variation..please and my problems and show me how to do each PLEASE!!! Assume that y varies directly as x If y= -4 when x = 2, find y when x= -6 Assume that y varies inversely as x If y =-4 when x=2, find y when x =-6 Penny Nom lui répond.
	Divisibility by 16		2000-12-12
		Shiling pose la question : A number can be divided by 16 if and only if its 1st four digits can be divided by 16. How can you prove that? Penny Nom lui répond.
	A chemist had 8 flasks		2000-12-10
		Jimmy pose la question : A chemist had 8 flasks capable of holding 12, 15, 27, 35, 37, 40, 53 and 69 fluid ounces respectively. He filled some with water and then filled all the rest except one with alcohol. He used exactly one and a half times as much alcohol as water. Which flask was left empty and which were left with water and which with alcohol? Claude Tardif lui répond.
	Volume of a trough		2000-12-09
		Matt pose la question : I have been given the information of the length of the trough, and the end pieces are isosceles triangles, and two equal sides of the triangle are given. I cannot seem to find the answer, nor anything in my book relating to the question. Harley Weston lui répond.
	Mixed Fractions		2000-12-09
		Tim Finch pose la question : My son is having problems with mixed decimals and mixed fractions.. I am unable to find any information or examples on this subject so I can show him how to do it.. for example how do you make a mixed decimal or fraction out of 7/16 Penny Nom lui répond.
	Is this a right triangle?		2000-12-08
		Alicia pose la question : How would you set-up and answer a problem like these one? Triangle ABC has vertices A(-2,2), B(1,-2), and C (1,2). Use slopes to determine if the triangle is a right triangle. Penny Nom lui répond.
	Networks of satellites and linear spaces		2000-12-08
		David pose la question : Let us suppose some companies have collaborated to place several satellites in orbit. Let us call the set of all satellites that a given company helped place in orbit a network. Finally let us assume the following 4 rules. There are at least two distinct satellites. For each pair of satellites there is exactly one network containing them. Each network contains at least two distinct satellites. For each network, there is a satellite not in it. What is the least number of satellites. what is the least number of networks? Penny Nom lui répond.
	Fibonacci		2000-12-07
		A student pose la question : Can you give me any info about Fibonacci?? Penny Nom lui répond.
	Kai's bike		2000-12-07
		Fumiko Muhammad pose la question : The wheels on Kai's bike are 27 inches in diameter. His little sister, Masako, has a bike with wheels that are 20 inches in diameter. a. How far will Kai go in one complete turn of his wheels? b. How far will Masacko go in one complete turn of her wheels? c. How far will Kai go in 500 turns of his wheels? d. How far will Masako go in 500 turns of her wheels? Penny Nom lui répond.
	Pizza delivery		2000-12-07
		Meghan pose la question : 3 men give 10 dollars each to a pizza deliver driver and when he gets back to his work the manager says to the pizza driver the bill was actually 25 dollar so he has to returns 5 dollars. on his way to the mens house he the driver decides to kept 2 dollars for himself and he gives 1 dollar back to each of the men. So each one of the men actually paid 9 dollars. but 9 times 3 is 27 plus the other 2 that the driver took equals 29 so where did the other dollar go. Harley Weston lui répond.

		Page 812/886