Richer534 Richer534

25-09-2015
Mathematics

Answered

What is the sum of r+s, when r = –14.1 and s = 18.3?

A–32.4
B–4.2
C4.2
D32.4

Verified Answer :

Anonymous Anonymous

25-09-2015

\(Subtitute\ the\ values\ of\ r=-14.1\\and\ s=18.3\ to\ the\ expression\ r+s:\\\\r+s=-14.1+18.3\\---------\\use\ commutative\ property:a+b=b+a\\\----------\\\\=18.3+(-14.1)=18.3-14.1=\huge\boxed{4.2}\)

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