Solve for k: 3k-2=7
k=3
What is the area of this square?
121 cm2
What is the value that appears most frequently in a data set?
Find the value of the sin(A)
40/50=4/5=0.8
What is the smallest prime number?
2
Solve for x and y:
3x-2y=6 ; x+y=-8
x=-2 and y=-6
What is the area of this kite?
39m2
Given a 6-sided fair die, what is the probability you roll a 3?
1/6
What is tan(30º)?
1/√3 = √3/3
What is the sum of the first 10 positive integers?
55
7
What is the sum of the interior angles in a heptagon?
900
In a standard deck of 52 playing cards, what is the probability of drawing an ace or a king?
8/52 = 2/13
Convert 135º to radians
3π/4
What is the next number in this sequence?
1, 8, 27, 64, ...
125
Solve for x: 5^(3x+2) = 7^(3x+2)
x=-2/3
A square is inscribed within a circle of diameter 23. What is the perimeter of the square?
46√2
You roll two fair six-sided dice. What is the probability that the sum of the numbers on the dice is 7?
6/36 = 1/6
Solve for x on the interval [0,2π] :
2sin2x+3sinx-2=0
x=π/6 and x=5π/6
What is the remainder when 2015 is divided by the sum of its digits?
7
Solve for x: x3-6x2+10x-4=0
2, 2-√2, 2+√2
In a triangle with side lengths of 5,7,10. Find the area of that triangle.
√24=2√6
Given a data with 100 observations, where the mean is 50 and the standard deviation is 10. What is the probability that a randomly selected observation falls between 45 and 55, assuming a normal distribution?
Approximately 68%
Find the exact value of sin(15º)
(√6-√2)/4
What is this notation called: ø ?
The empty/null set