Popular math problems
- A single
A single, standard number cube is tossed. What is the probability of getting a number greater than 3? - Student examination
How many ways can a teacher select a group of 6 students to sit in the front row if the class has 13 students? - Negative number
A number minus 7 is = 9. What is the number? - Assume 2
Assume you are working with a standard six-sided die. What is the probability of rolling the die once and obtaining a 5 and then rolling the die again and obtaining a 2? (input 3 numbers after the decimal, do not round). Report probability as a proportion - Drain and inlet
The reservoir is filled with inflow in 12 hours. It will drain through the drain in 9 hours. Can the tank overflow if we leave the inlet and outlet open at the same time? - Three coins In a game of chance where three coins are tossed, a player wins if two heads and a tail come up. What are the chances of this occurring?
- Two coins
Two coins are tossed simultaneously. What is the probability of getting (i) At least one head? (ii) At most one tail? (iii) A head and a tail?
- Temperature drops
It is 5 degrees at sunset. The temperature drops 11 degrees during the night. What is the temperature in the morning? - The probability 2
The probability that an adult possesses a credit card is 0.71. A researcher selects two adults at random. The probability (rounded to three decimal places) that the first adult possesses a credit card and the second adult does not possess a credit card is - Points
The point A has coordinates (3, 3). The point A moves 5 units to the left and 4 units down to a new point B. (a) Write down the coordinates of point B. (b) Which quadrant is point B in? - 5 addition problems
No problem; here are five decimal addition problems for you to practice: 1. What is the result of 3.5 + 2.1? 2. What is the result of 0.8 + 0.3? 3. What is the result of 5.2 + 1.7? 4. What is the result of 2.5 + 0.9? 5. What is the result of 1.4 + 0.6? I - Map scale
On a map, on a scale of 1:50000, what is the distance in kilometers that 6 cm on the map represents? - Employees 16
There are 3 full-time employees in your office for every 5 who are part-time. If there are 25 part-time employees, how many full-time employees are there? - Relay teams
There are 159 students to be grouped into relay teams. Each team should have the same number of students. Can each team have 3,5 or 6 students? Explain. - Probabilities
The bag has 10 green, 6 yellow, and 4 blue. What are the probabilities as a fraction, decimals, and percents?
- Pants
Peter bought 58 pairs of pants, 18 of which were torn. How many pants were not torn, which he had? - Parallelogram - angles
In a parallelogram ABCD, if angle alpha measures ∠A = 70°, find all the other angles. - Storage shed
Frank designed a net for a storage shed that he is going to construct out of metal. The design consists of a square base and four square sides, plus four triangular parts that make up the roof. A square base of 6 feet and four square sides, plus 4 feet of - Locker combination
Todd forgot the first two numbers of his locker combination. The numbers can be any number 1 through 6. What is the probability that he will guess the first number correctly and the second number incorrectly? - A fair dice
A fair six-sided dice are rolled. What is the probability that the first number rolled is greater than 1 and the second number rolled is odd? Type your answer as a fraction in the simplest form.
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