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

		Page 748/886

	How many trees were planted in March?		2002-10-20
		From Allison: The number of trees planted by the Alpine Nursery in April was 3 more than twice the number of trees planted in March. If 71 trees were planted in april, write and solve an equation to find how many trees were planted in March. Answered by Penny Nom.
	Is a square a rectangle?		2002-10-20
		From Nona: Are squares rectangles? Third grade math teacher told a student this was true. Grandmother needs confirmation on this! Answered by Claude Tardif and Harley Weston.
	At the zoo		2002-10-20
		From A student: The number of adults at the zoo was 2/9 the number of children. there are 700 more children than adults. The number of men was four times the number of women. The number of girls was four times the number of boys. Find the total nymber of men and boys at the zoo. Answered by Penny Nom.
	Simplify		2002-10-19
		From A student: well i need to simplify this problems out and i cant do it so here is one 3x^2+6x-45 ------------ = 3x^2+21x+30 Answered by Penny Nom.
	Exponential notation		2002-10-19
		From Ivy: I understand how to figure out for example 4 to the power of 3,what I don't understand is how to figure it out using both negative numbers and negative exponents,as an exaple -4 to the power of 6 and what makes this different that (-5) to the power of 7,please help me if you can.I am an adult taking correspondence and finding it quite frustrating. Answered by Penny Nom.
	Is it a prime?		2002-10-19
		From JV: 6x to the third power plus 5x plus 15, is that prime or not prime, and whichever it is, how can you prove it? ya dig? Answered by Claude Tardif.
	Use each digit 1-9 only one time each,...		2002-10-19
		From Megan: Use each digit 1-9 only one time each, divide the numbers into 3 groups, make one 2 digit number, one 3 digit number, and one 4 digit number. There are 6 combinations of these numbers in which you can multiply the 2 digit and 3 digit number together to get the 4 digit number (using each digit 1-9 one time each). What are they!!!!!!!!!???????????? Answered by Claude Tardif.
	An identity in trigonometry		2002-10-17
		From Alex: I really need help with proving this identity. (1+cosx+sinx)/(1+cosx-sinx) = secx + tanx Answered by Penny Nom.
	The orthocentre		2002-10-17
		From Elsie: Find the orthocentre of the triangle with vertices at A(-3,4), B(10, -3) and C(3,-2). Find the distance of point X(3,8) from the line that passes through Y(-2, -2) and Z (3, -2). Answered by Chris Fisher.
	The repetition of doing many straight forward problems		2002-10-16
		From Dan: I am the father of a very bright 9 year old girl. She is very interested in math and she grasps concepts very quickly. I am concerned that she may become bored with the repetition of doing many straight forward problems. Her current math teacher has her working in a challenging math book and she is doing 3+ digit multiplication. She misses 2 or 3 out of ten of these problems due to simple addition errors. Should she continue to practice these problems until she can get them all correct? Or, should she move on? Answered by Kathy Nolan and Claude Tardif.
	Integers in real life		2002-10-15
		From Rica: What are the real life usages of integers? Answered by Peny Nom.
	A sale price		2002-10-15
		From Chester: A jacket is on sale for 32% off. Find the original if the sale price is $89.00 Answered by Penny Nom.
	6% grade		2002-10-15
		From Micheal: When I am driving down the road and see a sign that says for example steep grade ahead 6% grade etc etc what does this mean? Answered by Penny Nom.
	Two problems		2002-10-14
		From Seçkin: i am from turkey i am a teacher in a collage i have two difficult question which i havent solve yet these are very important for me.... Answered by Claude Tardif.
	A functional equation		2002-10-14
		From Rob: Let f be a function whose domain is a set of all positive integers and whose range is a subset of the set of all positive integers with these conditions: a) f(n+1)>f(n) b) f(f(n))=3(n) Answered by Claude Tardif.

		Page 748/886