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	What is the value of |2((i)^(1/2))|?		2013-07-22
		From Delilah: What is the value of |2((i)^(1/2))| ? i.e. absolute value of 2 multiplied by square root of i. Answered by Penny Nom.
	What is the smallest number? (i.e. the closest number to zero)		2013-07-22
		From Charlie: What is the smallest number? (i.e. the closest number to zero) Answered by Harley Weston.
	18/y=30/25 what number does y represent		2013-07-20
		From celeste: 18/y=30/25 what number does y represent Answered by Penny Nom.
	Solve x = ln(x)		2013-07-19
		From Udayan: Sir/Madam, How to find the solutions of the equation, x = ln(x) Answered by Penny Nom.
	Percent and percentage point		2013-07-19
		From Kenneth: Hello: Does 0.01 represent both one percentage point and one percent in decimal form? What is, for example, 2/100 of one percentage point, and what is 2/100 of one percent? Are the answers the same. I thank you for your assistance. Answered by Penny Nom.
	10 guys playing 8-9 hole rounds		2013-07-19
		From Jason: I have 10 guys playing 8 9 hole match-play rounds. I need to have everybody play the other 9 men, but need to limit them to only a 9 hole match between them. If we need to go 3-3-4 or 2-4-4 for a better solution, that may be possible. Answered by Victoria West.
	A geometric sequence		2013-07-16
		From Relebohile: Find the n^th term of 3,6,9,12,24,48... Answered by Penny Nom.
	1,990 cubic yards in gallons		2013-07-16
		From Tayler: You have 1,990 cubic yards of concrete to pour. If the average swimming pool holds 25,000 gallons, how many pools can Be poured with the 1,990 cubic yards of concrete. 1 cubic yard= 27 cubic feet Answered by Penny Nom.
	A quadratic with no real roots		2013-07-15
		From Pranav: If ax^2+bx-5=0 has no real roots. Then d sign of 1) a+b-5 2) (25a-5b-5)(4a+2b-5) will be what ?? Answered by Penny Nom.
	150 litres has been drawn from a tank		2013-07-14
		From henry: When 150 litres has been drawn from a tank, it is 3/8 full, how many litres will the tank hold? Answered by Penny Nom.
	Dirt to fill a pool		2013-07-13
		From Neil: I had a 24 foot diameter pool. The perimeter of it was at ground level. The pool sloped 1 foot deeper to the middle. In other words "a 1 ft. dish. How many cubic yards of dirt do I need to fill this hole? Answered by Penny Nom.
	Simultaneous equations		2013-07-10
		From Warren: solve this simultaneous equation: xy=4 2x+3y=14 Answered by Penny Nom.
	Distance as a function of acceleration		2013-07-10
		From Tom: If you start at a stoplight and your acceleration is 16t - t^2, how far have you gone after 8 seconds? Answered by Penny Nom.
	Scheduling a 12 person fishing		2013-07-09
		From Don: Greetings Math Central! I searched the index, but could not find a similar quandary. Here's my predicament: I am seeking help in scheduling a 12 person fishing outing. We have four boats. I would like to schedule three fishermen to a boat. We fish 2 1/2 days, split into morning and afternoon sessions. Thursday afternoon, Friday morning, Friday afternoon, Saturday morning, and Saturday afternoon We switch boats after lunch, with each fisherman moving to a different boat, with different partners. I would like to have each fisherman fish with as many others in the group as possible, with a minimum of partner duplication. I would like to have each fisherman fish in all of the four different boats over the course of the trip at least once. Would you please suggest a boat / fishing partner schedule that fits my parameters as closely as possible. Thank you! Don Answered by Victoria West.
	Diego and his dog		2013-07-09
		From William: john went hunting and walked at a speed of 4 km/h. one hour later, Diego and his dog went to meet john with a speed of 6 km/h and the dog was running between john and diego until they meet up with a speed of 18 km/h. After Diego meets john, how much distance did the dog run? Answered by Penny Nom.

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