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DerKrebs [107]
2 years ago
11

-1+3-5+7-...+97-99 plz help me

Mathematics
1 answer:
mars1129 [50]2 years ago
7 0

Answer:

13

Step-by-step explanation:

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Karma took a 50 question math test, but only 40 questions were correct. What was the percentage of correct answers?
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85 percent

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