Find the algebraic expression for the numbers get by adding 10 repeatedly to 9?

10n + 1

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10n - 18

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10n - 1

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10n - 9

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Solution

The correct option is C 10n - 1
The pattern is 9,19,29,39,49,59........
first term is 9
second term is 19
common difference is = 19 - 9
= 10
so, the general term is 10n - 1
so, 10n - 1 is the algebraic expression for 9,19,29,39,49,59.....

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Find the algebraic expression for the numbers get by adding 10 repeatedly to 9?

The correct option is C 10n - 1The pattern is 9,19,29,39,49,59........ first term is 9 second term is 19 common difference is = 19 - 9 = 10 so, the general term is 10n - 1 so, 10n - 1 is the algebraic expression for 9,19,29,39,49,59.....

The correct option is C 10n - 1
The pattern is 9,19,29,39,49,59........
first term is 9
second term is 19
common difference is = 19 - 9
= 10
so, the general term is 10n - 1
so, 10n - 1 is the algebraic expression for 9,19,29,39,49,59.....