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Deffense [45]
2 years ago
7

checkers is one of the oldest board games still played today. the oldest known checkerboard is over 5,000 years old. a standard

checkerboard is square and has an area of 64 square inches. what is the length of one side of the board? PLEASE HELP
Mathematics
1 answer:
Sav [38]2 years ago
4 0

Answer:

I think its 8 because 8 plus 8 is 64

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Find Sn for the given arithmetic series a1=-26 d=-9 n=24
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Answer:

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Step-by-step explanation:

The sum to n terms of an arithmetic series is

S_{n} = \frac{n}{2} [ 2a_{1} + (n - 1)d ]

Substitute the given values into the formula

S_{24} = \frac{24}{2} [ (2 × - 26) + (23 × - 9) ]

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