In the problem 3/4 • N = 1, N must be _____.
the additive inverse of
the multiplicative inverse of
the additive identity
the multiplicative identity
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OpenStudy (anonymous):
Do you know what a multiplicative/additive inverse is? And multiplicative/additive identity?
OpenStudy (anonymous):
no :(
OpenStudy (anonymous):
You should put A: B: C: D: before your questions next time. Makes em a bit easier to answer
OpenStudy (anonymous):
An additive inverse is what you add to a number to get zero.
The negative of a number.
Example:
The additive inverse of -5 is 5, because -5 + 5 = 0.
The additive inverse of +5 is -5 as well.
OpenStudy (anonymous):
a is the top
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OpenStudy (ilovecake):
N must be 1, therefore 1 equals 1
OpenStudy (anonymous):
b is bottom and so on,
OpenStudy (loser66):
what is the dot in the front of N?
OpenStudy (anonymous):
multiply
OpenStudy (loser66):
That mean "something" * N =1, right?
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OpenStudy (anonymous):
3/4 is suposed to be b4 n
OpenStudy (anonymous):
3/4 * n
OpenStudy (loser66):
oh, got you.
OpenStudy (anonymous):
:)
OpenStudy (loser66):
So that, we can reject the options of additive because they are not multiplicative.
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OpenStudy (anonymous):
ye
OpenStudy (loser66):
Now, just have 2 options: multiplicative inverse and multiplicative identity.