Answer:
Step-by-step explanation:
an=an-1+(-4)
a2 = a1 + (-4) = 50 - 4 = 46
a3 = a2 - 4 = 46 - 4 = 42
a4 = a3 - 4 = 42 - 4 = 38
a5 = a4 - 4 = 38 - 4 = 34
Answer:
for 1 it is the 3rd graph
Step-by-step explanation:
Let x = number of students in each of the remaining rows
266 = (10 x 20) + (5 x 8) + 2x
266 - (10 x 20) - (5 x 8) = 2x
266 - 200 - 40 = 2x
26 = 2x
x = 26/2
x = 13
Answer: try 5/6 hope this helps you out
Step-by-step explanation:
To get better at 12's:
Write down on your paper your 1's facts in column skip 5 and 11 going to 14 (a vertical line - line that goes up and down). To the right of that column, write your two's facts 0 to 8 and repeat again. Then you will have your 12's! Should look as follows
12's:
0 0 = 12 x0
1 2 = 12 x1
2 4 = 12 x2
3 6 = 12 x3
4 8 = 12 x4
6 0 = 12 x5
7 2 = 12 x6
8 4 = 12 x7
9 6 = 12 x8
10 8 = 12 x9
12 0 = 12 x10
13 2 = 12 x 11
14 4 = 12 x 12
