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OpenStudy (anonymous):
For which operations is the set {0, 1} closed? Choose ALL answers that are correct. A. multiplication B. division C. addition D. subtraction
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OpenStudy (anonymous):
WILL MEDAL!!!
OpenStudy (ageta):
the answer is D
OpenStudy (ageta):
It is D. Subtraction
OpenStudy (anonymous):
any thing else theres more then one!
OpenStudy (anonymous):
a?
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OpenStudy (ageta):
wait
OpenStudy (ageta):
yes A
OpenStudy (anonymous):
yay thx
OpenStudy (anonymous):
you're awesome @ageta
OpenStudy (ageta):
thanks
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OpenStudy (anonymous):
can you help me with another?
OpenStudy (lyrae):
0-1 = -1 It's not closed under subtraction, so D is wrong. I'd say A only.
OpenStudy (anonymous):
k thx
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