3km to metres
3000m
4a + 2a
6a
There are 4 blue, 5 green and 3 red marbles.
Find pr(red)
3/12 =1/4
Find the median of the following data set:
2, 5, 8, 10, 14, 18, 24
10
x + 4= 10
x= 6
29cm to millimetres
290mm
3x2 + 7x2
10x2
There are 4 blue, 5 green and 3 red marbles.
Find Pr( green or red)
8/12 = 2/3
Find the mode in the following data set:
3, -4, 8, 12, 12, -4, -4, 16, 7, 9, -4
-4
x+9= 5
x=-4
5.5m to millimetres
5500mm
6p + 2c +7p +4c
13p +6c
There are 4 blue, 5 green and 3 red marbles.
Pr (blue)'
8/12 = 2/3
Find the mean of the following data:
12, 16, 9, 17, 13, 11, 5, 8, 13,
11.56
3x+2 = 11
x=3
3.8cm to metres
0.038m
8t -6j + 11t +4j -3t
16t -2j
There are 4 blue, 5 green and 3 red marbles. If 2 marbles are selected (and the marble is replaced) find the Pr( green and red).
15/144
Find the mean of the following data set:
-8, -6, -4, -2, -1, 0, 1, 2, 4, 6, 8
0
2(x-3) = 8
x= 7
12.34mm to kilometres
0.00001234 km
2a2-4a + 5a -3a2
-a2+a
There are 4 blue, 5 green and 3 red marbles. If 2 marbles are selected (and the marble is replaced) find the Pr( Blue)'.
64/144 =16/36= 8/18 =4/9
find the median of the following data set:
-5, 13, -9, 12, 19, -11, 7, 12
9.5
x2/2 = 8
x=4