Answer:
The number of blocks in the nth figure will be (3n + 1).
Step-by-step explanation:
See the attached figure where few arrangements are there.
The number of blocks in the first arrangement is (3 + 1)
Now, the number of blocks in the second arrangement is (3 × 2 + 1)
Again, the number of blocks in the third arrangement is (3 × 3 + 1)
So, the pattern says that the number of blocks in the nth arrangement will be (3 × n + 1) = (3n + 1) (Answer)
Answer:
I think it is either the first or second answer
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
because you do 2-1 and then 3 * 3 the equation would look like this
1 + (3*3) /
1+9/ 3
1 + 3
4
20? I’m not for sure maybe look in the book? That’s the answer I got and it was right