Seudónimo Seudónimo
  • 30-05-2017
  • Mathematics
contestada

What is the value of the expression?
-2/5 - (3/7) x (7/10)


A. -7/10


B. -1/3


C. 1/3


D. 7/10

Respuesta :

fussellk
fussellk fussellk
  • 30-05-2017
must do multiplication first....
-2/5 - 3/7 x 7/10
-2/5 - 21/70 (I'll reduce 21/70)
-2/5 - 3/10
Now you have to find a common denominator and subtract
-35/50 = -7/10......is what I get
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