Answer:
Option D is correct
Step-by-step explanation:
Option D is correct
Being an arithmetic sequence there will be common difference between the consecutive terms
Option A is incorrect because it is not necessary that explicit formula is an arithmetic sequence we can create explicit formula for any sequence
Option B is incorrect because recursive formula can be created for any sequence for geometric series also.
Option C is incorrect because the sequence that has constant ratio is the geometric sequence not an arithmetic sequence.
Answer:
Step-by-step explanation:
Sorry I am not completely sure on this one and I don’t want to give you the wrong answer sorry again
1. 4 tens ×8 =320
2.=5×6tens=30 tens =300
the answer for this question is A
Answer: 20
Step-by-step explanation:
4+4 5+5 6+6 7+7 8+8
4+5 5+6 6+7 7+8 8+9
4+6 5+7 6+8 7+9
4+7 5+8 6+9
4+8 5+9
4+9