Numbers
The Additive Identity
0
You flip a coin 100 times and it lands on heads 53 times. What is the theoretical probability for flipping heads.
1/2
10234 = ? in base 10
75
1/(1/(1/3))
1/3
If two lines intersect at a right angle, then their slopes are
Opposite reciprocals
Division is multiplication by
Reciprocal
If you roll a pair of dice, what is the probability of rolling a sum that is prime?
4/9
7510 equals ? in base 2
1001011
(4/3)/(1/(4/3))
16/9
Another name for the starting value is
y-intercept
i^22=?
-1
If I draw one card from a standard deck of cards, what is the probability that I draw a SPADE or a Jack?
4/13
2115 is what number in base 2?
111000
2/(2+1/(2/3))
4/7
Solve the linear system
2x+3y=12
y=-2x+4
(0,4)
The set of Rational Numbers is a subset of
The set of Real Numbers.
P(A or B) =
P(A) + P(B) - P(A and B)
246 + 146 = ? in base 6
42
1/(1+1/(1+1/(1+2))
4/7
A company rents out electric scooters. They charge a flat fee to unlock a scooter plus a per-minute fee for riding it. One day, you notice that a 15-minute ride costs $9.75 and a 25-minute ride costs $13.75.
Find the equation that relates the total cost C (in dollars) to the number of minutes m ridden.
C=0.4m+3.75
Write as a fraction
1.bar28
127/99
If you roll one six-sided die and draw one card from a standard deck, what is the probability that you get a six OR a King?
19/78
2435 X 125 = ? answer in base 5
4021
1+2/(3+4/(5+6/7))
233/151
A water tank is being filled at a constant rate. At 2:00 PM, the tank has 500 liters of water and at 3:30 PM, the tank has 950 liters of water.
How much water will be in the tank at 5:15 PM.
1475 liters