cody6187
11.07.2019 •
Mathematics
Astudent evaluated -4+x for x= -9 1/2 and got an answer of 5 1/2. what might the student have done wrong?
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Ответ:
When you add two negatives, there is no way you can get a positive answer.
What they did was change the - 9 1/2 to a positive when plugging it into the equation. That or the student believe that addition of negatives followed the same rules as multiplication/division.
Ответ:
7.492376e+14
Step-by-step explanation:
727272262 + 749236876238946 = 7.492376e+14
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