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kirill115 [55]
4 years ago
7

Convert 8.6 ha to km². Remember to include units with your answer.

Mathematics
1 answer:
Sedaia [141]4 years ago
6 0

Answer:

10000ha=1m²

=(1000m/1000)²

=1km²/1000²

1ha=1km²/1000² ×1/1000

8.6ha=8.6×1km²/1000² ×1/1000

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Answer:

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The common difference is 17. This is an arithmetic sequence which starts with -29, and in which each subsequent value is 17 more than the previous value.

a1 = -29

a2 = -29 + 17

a3 = -29 + 2(17)

a4 = -29 + 3(17)

Notice that for each term, you have -29 and something added to it. What you add to -29 is 17 multiplied by 1 less than the number of the term. For term 1, 1 less than 1 is 0. You add 0 * 17 to -29 and get -29. term 1 is -29. For term 2, 1 less than 2 is 1. You add 1 * 17 to -29 and get -12, etc.

For term n, 1 less than n is n - 1. Add (n - 1) * 17 to -29 to get term n.

an = -29 + 17(n - 1)

This formula can be simplified.

an = -29 + 17n - 17

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an = 17n - 46

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