An arrangement of marbles has 12 marbles in the first row and 10 rows in all. In each successive row one marble is added. What is the explicit rule for this situation, and how many marbles will be in the 10th row?Drag and drop the answers into the boxes to match the situation. Explicit ruleNumber of marbles in the 10th rowAn = 11 + 11n, An = 12 + n, An = 11 + n, An = 12 + 10n, 19, 20, 21,

The explicit rule for the number of marbles in 10th row is An= 12+ n-1.

Step-by-step explanation:

Therefore, for the remaining 9 rows out 10 rows ⇒ 9 marbles are added.

For n= 10, then

⇒ A10 = 12 + (10-1)

⇒ A10 =12+9 = 21

step-by-step explanation:

which of the following statements correctly describes the expression below based on its degree and number of terms?

314 - 7x2 + 11

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

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