.A fireplace contains 46 bricks along its bottom row. If each row above decreases by 4 bricks, how many bricks are on the 12th row? (1 point). This is an arithmetic sequence because?

Question

.A fireplace contains 46 bricks along its bottom row. If each row above decreases by 4 bricks, how many bricks are on the 12th row? (1 point).  This is an arithmetic sequence because?

anonymous · Answer

because the number of bricks every row is decreasing by a fixed number, it is 4

anonymous · Answer

there will be 2 bricks

anonymous · Answer

use the formula a+(d(n-1)=b

anonymous · Answer

so what wld i write then for why its a arithmetic sequence

anonymous · Answer

what i wrote at first..do you know what is an arithmetic sequence ?

anonymous · Answer

nope

anonymous · Answer

an arithmetic progression (AP) or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant.

anonymous · Answer

For instance, the sequence 2,5,8,11,14 … is an arithmetic progression with common difference of 3.

anonymous · Answer

thankss

anonymous · Answer

welcome :)