Mathematics, 11.06.2020 11:57, katie18147
The expression n2 + n represents the total number of blocks used in the nth figure of a pattern.
Figure 1 has 2 units. FIgure 2 has 6 units. Figure 3 has 12 units.
Use the equation n2 + n = 56 to determine which figure has 56 blocks.
Figure
has 56 blocks.
Answers: 2
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The expression n2 + n represents the total number of blocks used in the nth figure of a pattern.
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