Seudónimo Seudónimo

04-04-2015
Mathematics

contestada

please help
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 :

mathgirl22 mathgirl22

04-04-2015

Substitute.
r – 2s ⇒ 8.2- 2* -3.7
[tex]8.2-2*-3.7 \\ use -pemdas \\ 8.2-(-7.4) \\ 15.6 \\ Answer- D.15.6[/tex]

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