algebra

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The equation y = 1777x + 27,153 can be used to predict the number y of gun deaths in the U.S.x years after 2000, that is x = 0 corresponds to 200, x2 corresponds to 2002,x5 crresponda with 2005, and so on. Predice the number of gun deaths in 2005 ad 2007. In what year will the number od deaths be 11,160?

  • algebra -

    So your equation is really

    y = 1777 (year -2000) + 27153

    so for 2007 for example

    y = 1777 (2007-2000) + 27153

    y = 12439 + 27153

    = 39,592 in 2007

    do other years the same way
    for the second part unless you have a typo we are talking about before 2000

    11,160 = 1777(year -2000 ) + 27153
    1777(year-2000) = - 15993
    year - 2000 = -9
    year = 1991

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