could someone please help me for a medal and fan ?
Which is an example of the opposite of a sum property?
A.
–17 + 32 = 32 + (–17)
B.
–26 + (4 + 8) = (–26 + 4) + 8
C.
–5(6 + 3) = –5(6) + –5(3)
D.
–(–17 + 5) = 17 + (–5)
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OpenStudy (skullpatrol):
Any ideas what the property means?
OpenStudy (anonymous):
tbh i have no idea what any of this means
OpenStudy (skullpatrol):
Honesty is good :-)
The opposite of a sum can be symbolized as - ( a + b )
Does that^ make sense?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
i thought c
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OpenStudy (skullpatrol):
C is the distributive property
OpenStudy (anonymous):
am i correct
OpenStudy (skullpatrol):
Nope.
OpenStudy (anonymous):
:(
OpenStudy (anonymous):
how about b
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OpenStudy (skullpatrol):
Look at my symbolization: - ( a + b )
a + b is a sum, right?
OpenStudy (anonymous):
yeah
OpenStudy (skullpatrol):
The lowered minus sign " - " in front means "the opposite of".
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
so a
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OpenStudy (skullpatrol):
- ( -17 + 5 ) means the opposite of the sum -17 + 5, right?
OpenStudy (anonymous):
yeah
OpenStudy (skullpatrol):
So that is the opposite of a sum, which is what the question is asking for :-)