Posted by Rich on Sunday, December 20, 2009 at 2:45pm.
The equation y=1777x+27,153 can be used to predict the number y of gun deaths in the United states x years after 2000, that is, x=0 corresponds to 2000, x=2 corresponding to 2002, x=4 corresponds to 2004, and so on. Predict the number of gun deaths in 2004 and 2008. In what year will the number of gun deaths be 9383?

algebra  Damon, Sunday, December 20, 2009 at 3:49pm
I am going to write (t2000) instead of x where t is the year.
y = 1777 (t2000) + 27,153
if t = 2004 then
y = 1777 (4) + 27,153
y = 7108 + 37,153
y = 30045
Now if y = 9383
9383 = 1777 (t2000) + 27,153
1777(t2000) = 271539383
1777(t2000) = 17770
t  2000 = 10
t = 2010
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