Adolph705 Adolph705

25-09-2015
Mathematics

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What is the sum of x+y when x = –9.1 and y = 5.6?
a. –14.7
b. –3.5
c. 3.5
d. 14.7

Respuesta :

Аноним Аноним

25-09-2015

[tex] Subtitute\ the\ values\ of\ x=-9.1\\and\ y=5.6\ to\ the\ expression\ x+y:\\\\x+y=-9.1+5.6\\---------\\use\ commutative\ property:a+b=b+a\\\----------\\\\=5.6+(-9.1)=5.6-9.1=\huge\boxed{-3.5} [/tex]

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