Math letters
what letter is represented by e?
2.718
A fair six-sided die is rolled. What is the probability of rolling an odd number?
50%
How many integers between 10 and 500 begin and end in 3?
11
what are the first 8 digits of pi?
3.1415926
A coin is flipped, and a die is rolled. What is the probability of getting heads and a 4?
1/12
Store A sells raspberries for $5.50 per pint and blackberries for $3.00 per pint. Store B sells raspberries for $6.50 per pint and blackberries for $8.00 per pint. A certain purchase of raspberries and blackberries would cost $37.00 at store A or $66.00 at store B. How many pints of blackberries are in this purchase?
5
what does "i" represent?
sqrt(-1)
A jar contains 12 grape, 17 blueberry, 5 pineapple, and 13 coconut jelly beans. What is the probability of not picking grape?
A bag contains tomatoes that are either green or red. The ratio of green tomatoes to red tomatoes in the bagis 4 to 3. When five green tomatoes and five red tomatoes are removed, the ratio becomes 3 to 2. How many red tomatoes were originally in the bag?
15 red tomatoes
what is the most common variable letter?
x
If you flip a coin 4 times, what is the probability of getting at least one tail?
15/16
Amy is two years older than Bill. The square of Amy’s age in years is 36 greater than the square of Bill’s age in years. What is the sum of Amy’s age and Bill’s age in years?
18
What Greek letter represents summation?
sigma
A deck has 52 cards. What is the probability of drawing two aces in a row without replacement?
1/221
(x-1)^2 = -4
How many distinct real solutions does the given equation have?
0