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katiebugg

  • 3 years ago

a1 = 5, an = 3, n = 20

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  1. amistre64
    • 3 years ago
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    baking cupcakes are you?

  2. katiebugg
    • 3 years ago
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    no

  3. katiebugg
    • 3 years ago
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    find the sum of the arithmetic sequence having the data given.

  4. amistre64
    • 3 years ago
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    oh, thats doable then, use the formula: \[\frac n2(a1+an)\]

  5. katiebugg
    • 3 years ago
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    thanks!

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