1mathematicsWhat is the sum of the square root of 4/9 and the square root of 9/16? Express your answer as a mixed number.Show AnswerShare
12mathematicsCan you describe in words the set of all numbers, if any, that are larger than their squares?Show AnswerShare
7mathematicsHow many cubic millimeters make up a cubic meter? Express your answer as 10 to some power.Show AnswerShare
17mathematicsIf, the first number of an arithmetic sequence is 200, and the 100th number is 2, what is the 40th number of this sequence?Show AnswerShare
18mathematicsThe minute hand of a clock is three inches long. About how many feet does the tip of that hand move in one day?Show AnswerShare
18mathematicsDrivers in the Indianapolis 500 motor race cover 200 laps of the course. If a race car driver maintained a speed of 200 miles per hour for an entire lap, how long would it take him to negotiate that lap?Show AnswerShare
10mathematicsA snail climbs five inches up a vertical wall each day, but slips four inches down the wall each night. If it starts climbing on the beginning of the first day, on which day will it reach the top of a wall that is 30 inches high?Show AnswerShare
12mathematicsIf 40% are of the people at an event are women and 20% of the people at the event are left-handed, then at most what percentage are right-handed men?Show AnswerShare
17mathematicsThe number 222, written in base three number system, would be equal to what number in base 10?Show AnswerShare
1mathematicsIf the population of a city grows at 10% per year, it will double in approximately how many years? (to nearest year)Show AnswerShare
1mathematicsIf a family has three children, what's the probability that at least two of them are girls?Show AnswerShare
13mathematicsIf a rubber band weighs 40 milligrams, how many of them will weigh one kilogram?Show AnswerShare
3mathematicsOn your paper draw a line segment which is 10 inches long. Now you draw all the points on the paper which are exactly 5 inches from the line, and you will get a closed figure. What is the area of this closed figure?Show AnswerShare
17mathematicsYou begin writing down the letters of the alphabet in this pattern: You write A one time, B two times, C three times, D four times, and so on. What letter is 100th on the list?Show AnswerShare
14mathematicsThe numbers game: if I said, 24 = # of h. in a d., you would say "hours in a day." See if you can figure out this one: 9 = # of p. in the s.s.Show AnswerShare