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OpenStudy (anonymous):
Sally made the conjecture that the sum of any two prime numbers is a prime number. Which equation is a counterexample to her conjecture? A. 2 + 11 = 13 B. 3 + 11 = 14 C. 15 + 4 = 19 D. 2 + 5 = 7
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OpenStudy (studygurl14):
B, because 14 is not a prime number
OpenStudy (anonymous):
Thanks!!
OpenStudy (studygurl14):
Could I have a medal please? (click best answer)
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