If it took Carlos 1/2 hour to cycle from his house to the library yesterday, was the distance that he cycled greater than 6 miles ( Note: 1 mile = 5280 ft) 1) The average speed at which Carlos cycles from his house to the library yesterday was greater than 16ft per second. 2)The average speed at whi...
At a speed of 50 miles per hour, a certain car uses 1 gallon of gasoline every 30 miles. If the car starts with a full 12 gallon tank of gasoline and travels for 5 hours at 50 miles per hour, the amount of gasoline used would be what fraction of a full tank?
All of the stocks on the over-the-counter market are designated by either a 4-letter or a 5-letter code that is created by using the 26 letters of the alphabet. Which of the following gives the maximum number of different stocks that can be designated with these codes? a. 2(26^5) b. 26(26^4) c. 27(2...
Pat, Kate and Mark charged a total of 162 hours to a certain project. If Pat charged twice as much time to the project as Kate and 1/3 rd as much as Mark, how many more hours did mark charge to the project than Kate?
A number is to be selected at random from the set above. What is the probability that the number will be a solution to the equation (x-5)(x+10)(2X+5) = 0?