evan50 evan50
  • 06-03-2018
  • Mathematics
contestada

Write the sum using summation notation, assuming the suggested pattern continues. -9 - 4 + 1 + 6 + ... + 66

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Niah0411
Niah0411 Niah0411
  • 06-03-2018
86 should be the answer let me know if I’m wrong
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