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 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]
Answer Link

Otras preguntas

The single factor that is changed in an experiment is the __________. dependent variable control hypothesis independent variable
A rectangular bedroom floor has an area of 100 square feet and a length of 10 feet. What is the perimeter on the floor?
If you bend a straight chain of carbons, do you make a different structure? Why or why not?
the tip of a match contains chemical energy. Kevin's father lit a match and blew out the flame. then he tried to light the same match again . Kevin observed tha
How did mutinies affect the French and Russian army?
0.2(x+50)-6=0.4(3x+20)
What happened to all of the heat Earth had when it formed
Which of the following was the first natural barrier to expansion of the frontier for American colonists?
0.2(x+50)-6=0.4(3x+20)
what is vertical distance? is it addition or subtraction