Adding and subtracting with negatives
-3 + 6 =
3
3 more than x
3x
x+8 = 13
x=5
If a = 3, b = 2 and c = -3
a + b
=5
List the sample space of rolling a fair die.
S = (1,2,3,4,5,6)
6-8=
-2
Triple the value of y
3y
x/4 = 20
x = 80
If a = 3, b = 2 and c = -3
ab
=6
What is the theoretical probability of rolling a 3?
1/6
-3-4=
-7
3x + 4x=
7x
2x + 4 = 8
x = 2
If a = 3, b = 2 and c = -3
c - c
=-6
What is the theoretical probability of rolling an even number?
1/2
12 + - 9 =
3
2x + 3x - 3y=
5x - 3y
3x + 6 + 4 = 31
x = 7
If a = 3, b = 2 and c = -3
10 - a - c
=5
A fair die was rolled, and the results were 2,3,4,5,1,2,3,6,4,2. What is the experimental probability of rolling a 2 as a decimal?
0.3
-5--4=
-1
3x + 6x -5y + 2y -2x
7x - 3y
2 x + 6 x - 5 = 19
x = 3
If a = 3, b = 2 and c = -3
ab + c
=3
A fair die was rolled, and the results were 2,3,4,5,1,2,3,6,4,2. What is the experimental probability of rolling a 1 as a percentage?
10%