Answer:
Sigma is the eighteenth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 200. In general mathematics, uppercase ∑ is used as an operator for summation. When used at the end of a letter-case word, the final form is used
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Answer:
its A.
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nun of the lines touch.
Answer:
negative
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20-13=7 so your answer would be 7/20 I believe. Hope this helps!!
Answer:
x4+y10=59
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