Probability/Stats
Systems
Word Problems
Miscellaneous
100
How many ways can 2 students be chosen as president and vice president from a club of 30 students?
870
100
How many solutions does this system have?
y = 2x + 5
y = 2x - 3
None
100
Write an expression for: "Five less than the product of x and y"
xy - 5
100
List the 5 numbers (in order) that would create the box-whisker plot for:
4, 5, 7, 9, 9, 10, 12, 15, 16, 17, 19, 20
4, 8, 11, 16.5, 20
200
Write an expression for the probability that a die rolled 5 times will land on 2 every time.
(1/6)^5
200
When solving a system with elimination or substitution yields a contradiction like 5 = 0, the system is ______________.
inconsistent.
200
When three times the supplement of an angle is divided by four, the result is 50 degrees more than the complement of the angle. What is the measure of the angle?
20 degrees
200
What equation can be used to solve uniform motion problems with two trips of equal distances?
s1 t1 = s2 t2
300
How many different results are possible when a coin is tossed, a die is rolled, and a letter of the alphabet is randomly chosen?
312
300
Solve the system graphically:
y = -2/3x + 5
y = 1/2 x - 2
(6, 1)
300
I have 52 coins, all dimes and nickels, worth $4.40. How many of each kind of coin do I have?
36 dimes, 16 nickels
300
Find the inter-quartile range for the data:
34, 37, 39, 50, 52, 61, 70, 74, 82
34
400
Write an expression for the probability that a die rolled t times will land on 6 at least once.
1 - (5/6)^t
400
Solve the system graphically:
6x - 10y = 70
y = 3/5 x - 7
Infinitely Many Solutions
400
Some math pajamas were discounted 20% and then another 50%, and the final cost was $25. What was the original cost?
$62.50
400
Simplify:
(6sqrt7-5)(6sqrt7+5)
227
500
If a class of 20 students had an average score of 90 and another class of 30 students averaged 80, what was the overall average?
84
500
Solve with any method:
a - 12b = 3
2a + 3b = 15
(7,1/3)
500
Joe left Mathville at 7pm flying to Phoenix on a unicorn at 50 mph. He returned to Mathville traveling at 60mph. The total traveling time was 5 hours 30 minutes. What is the distance between Mathville and Phoenix?
150 miles
500
Restaurant A: 6.2 (winner)
Restaurant B: 6.1