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Mathematics 7 Online
OpenStudy (anonymous):

Identify the additive and multiplicative inverse of 5/9. 5/9; −5/9 −5/9; 5/9 −5/9; 9/5 5/9; −9/5

OpenStudy (anonymous):

@confluxepic @jagr2713 @TheSmartOne

TheSmartOne (thesmartone):

Multiplicative inverse is for example x then its mutilpicative inverse is 1/x

TheSmartOne (thesmartone):

because a number multiplied to its multiplicative inverse equals to 1..

TheSmartOne (thesmartone):

So in your case teh multiplicative inverse is 9/5..

TheSmartOne (thesmartone):

do you understand that part??

OpenStudy (anonymous):

yes i think so the multiplicative inverse 9/5 additive inverse 5/9?

TheSmartOne (thesmartone):

additive inverse for example 5 its additive inverse is -5

TheSmartOne (thesmartone):

because the number + additive inverse =0

TheSmartOne (thesmartone):

so 5/9+ x=0 x=-5/9

TheSmartOne (thesmartone):

not 5/9...

TheSmartOne (thesmartone):

Do you understand why...

OpenStudy (anonymous):

oh....ok yeah beccause it's a negative the additive should be the opposite right?

TheSmartOne (thesmartone):

The number plus the additive inverse has to equal to zero...

TheSmartOne (thesmartone):

So your answer is C...

OpenStudy (anonymous):

OHH ok i get it now. so its c

OpenStudy (anonymous):

ohh ok thank you !! :D

TheSmartOne (thesmartone):

yw

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