To add decimals, line up the decimal points.
Here are some examples.

1.2
1.43

10.2
2.5

938.290
21.001

After you line up the decimal points, just add and carry down the decimal point.

14.37
5.63
_____
20.00

So, the answer is 20.

5 0

3 years ago

Find the 12th term of the arithmetic sequence 2x + 8,6x + 5, 10x + 2, ...

lawyer [7]

Answer: The 12th term is 46x -25

Step-by-step explanation:

It is increasing by 4x and decreasing by 3 through each term, this represents the d. a1 has already been identified as 2x +8, so you just have to write down the formula and the solve form there by plugging in the 12 in (n-1) to find the answer.