Biagioni818 Biagioni818

03-10-2015
Mathematics

contestada

Evaluate the expression when r = 8.2 and s = –3.7.
r – 2s
a. –22.94
b. 0.8
c. 4.5
d. 15.6

Respuesta :

LacyGirl2015 LacyGirl2015

03-10-2015

When you plug in the numbers for the integers, you get
8.2-2(-3.7)
If you multiply -2 and -3.7, you get 7.4 because the negatives cancel each other out.
If you then add 8.2, you get 15.6. So the answer is D.
Hope it Helps! :)

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