2a) 30
2 x 15
3 x 5
30=2x3x5
2b) 60
6 x 10
2x3 2x5
60=2x3x2x5
Answer:
x = ±6
Step-by-step explanation:
Step 1: Write out equation
x² + 7 = 43
Step 2: Subtract 7 on both sides
x² = 36
Step 3: Square root both sides
√x² = √36
x = ±6
Answer:
D
Step-by-step explanation: It's not going up by 6 or 2, and it's not going down in numbers, so D
we must do the following:
0
1
2
3
4
5
6
7
8
9
select the major, the minor and the half and add, like this:

therefore:

also:

the groups are:
(9,0,1,5); (7,6,2); (8,4,3)
Hello,
n=1,2,3,.... and not 0
Answer B a(n)=-2*n