Tasks on Nth terms of Arithmetic sequences

Opened: Wednesday, 12 April 2023, 12:00 AM
Due: Wednesday, 19 April 2023, 12:00 AM
View Make a submission Receive a grade
After watching the given video ,now answer these questions :

1. Sum the first twenty terms of the sequence 5, 9, 13, …

2. A child building a tower with blocks uses 15 for the bottom row. Each row has 2 fewer blocks than the previous row. Suppose that there are 8 rows in the tower.

a) How many blocks are used for the top row?

b) What is the total number of blocks in the tower?

Use the links below respectively to your TTCs to provide your answers :

GROUP 1 : https://docs.google.com/spreadsheets/d/1oN4HRox8LiZ5d4gHwQm-hGWBrvNxWMO9hY0sqX830_g/edit?usp=sharing

GROUP 2: https://rebrw-my.sharepoint.com/:wb:/g/personal/530402200489_reb_ac_rw/ESH8bPK9yD5KktTcusb_UCABfHjfi9UIIxEnkieMAHE3MQ?e=drEcEE

GROUP 3: https://rebrw-my.sharepoint.com/:wb:/g/personal/530402200489_reb_ac_rw/EZjCha7jmFNLnyOrAOzcR4kBu2mlUkUFjspSYkZXoqab0g?e=X7xON9 

GROUP 4 : https://rebrw-my.sharepoint.com/:wb:/g/personal/530402200489_reb_ac_rw/EUSVzCX0kRRKprVt8zklDjsB7t5rK44QH3UuJIHxFLwiMg?e=akm8MN 

GROUP 5 : https://rebrw-my.sharepoint.com/:wb:/g/personal/530402200489_reb_ac_rw/EbGHsjtkzD9IpuwKnSXP6BoBb4jZdvVmdIRcIBGCnQIyjA?e=Q2n4Ng 

GROUP 6  : https://rebrw-my.sharepoint.com/:wb:/g/personal/530402200489_reb_ac_rw/ETtRS3rP2ylHmDgx_7M-g6gByplCLqcQL-bp4DQy6nFJQw?e=wozAwu