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An arrangement of billiard ball has 5 balls in the row and 16 rows in all. In each successive row one ball is added. What is the explicit rule for this situation, and how many will be in the 16th row?​

Respuesta :

Helpbook

Step-by-step explanation:

use arithmetic progression for solving this type of questions

see explanation

Ver imagen Helpbook

Answer:

explicit rule is: an=4+n

number of balls: 20

Step-by-step explanation:

just took the test

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