Ask
your own question, for FREE!

Mathematics
85 Online

OpenStudy (anonymous):

NO NEED TO SOLVE JUST determine if its geometric series or geometric sequence or arithmetic seriesA fireplace contains 46 bricks along its bottom row. If each row above decreases by 4 bricks, how many bricks are on the 12th row?

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

46,42,.... a =46 d = -4 12th row means n= 12 tn = a+(n-1)d tn =46+(11)*(-4) = 46 - 44 = 2 bricks

jimthompson5910 (jim_thompson5910):

You're decreasing the number of bricks by a set amount each time (in this case 4) So this is an arithmetic sequence.

Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!

Join our real-time social learning platform and learn together with your friends!

Latest Questions

strugglinginSchool27:
which graph represents the solution to this system of inequalities? 3x - 5y u2264

1 minute ago
2 Replies
0 Medals

strugglinginSchool27:
A hairstylist charges $15 for an adult haircut for $9 for a child haircut. He wants to earn at least $360 and do a maximum of 30 haircuts each week.

3 minutes ago
4 Replies
1 Medal

Manny300303199:
I got a 10inch 4000 watt sub for my truck. Do you think that it is to loud?

18 minutes ago
0 Replies
0 Medals

strugglinginSchool27:
select all points that are solutions to the following system of inequalities. y u2264 -2x + 6 x - y < 6 A.

15 minutes ago
7 Replies
2 Medals

Manny300303199:
Does anybody know the window tint laws in Germany?

19 minutes ago
21 Replies
1 Medal

Jumper:
You are trapped in a room with two doors. One leads to freedom, while the other leads to certain death.

54 seconds ago
53 Replies
3 Medals