close
    1. Home
      2. ›
    2. Uncategorized
      3. ›
    3. Word Problem for Algebra- Race Time. The equation R=0.028t+20.8 can be used to predict the world record in the 200mdash, where R is the record in seconds and t is the number of years since 1920. In what year will the record be 18.0 seconds?
    Word Problem for Algebra- Race Time. The equation R=0.028t+20.8 can be used to predict the world record in the 200mdash, where R is the record in seconds and t is the number of years since 1920. In what year will the record be 18.0 seconds?

    Answer this
    0  Views: 1186 Answers: 1 Posted: 12 years ago
    Tags: word problem pre-algebra
    Comment this question

      1 Answer

      The year in which the record will be 18 seconds is:


      18 = 0.028*t+20.8


      -2.8 = 0.028*t


      t = -100


      does it mean that the year is 1820??

      12 years ago. Rating: 0
      Comment this answer



        Did this answer your question? If not, then ask a new question.

        Top contributors in Uncategorized category

         
        ROMOS
        Answers: 18061 / Questions: 154
        Karma: 1101K
         
        Colleen
        Answers: 47270 / Questions: 115
        Karma: 953K
         
        country bumpkin
        Answers: 11322 / Questions: 160
        Karma: 838K
         
        Benthere
        Answers: 2392 / Questions: 30
        Karma: 760K
        > Top contributors chart

        Unanswered Questions

        rik88bet
        Answers: 0 Views: 13 Rating: 0
        Nowgoal hiện đang là địa chỉ cung cấp tỷ số trực tuyến nhanh nhất Việt Nam, đến với chúng tôi người chơi sẽ có được tất cả thông tin thể thao chuẩn xác trong và người nước.
        Answers: 0 Views: 18 Rating: 0
        vn88bdcom
        Answers: 0 Views: 12 Rating: 0
        da88store?
        Answers: 0 Views: 17 Rating: 0
        da88store
        Answers: 0 Views: 15 Rating: 0
        Sanito
        Answers: 0 Views: 16 Rating: 0
        Go88: Trải Nghiệm Game Đỉnh Cao Với Đa Dạng Trò Chơi Hot
        Answers: 0 Views: 17 Rating: 0
        ?question_title=
        Answers: 0 Views: 15 Rating: 0
        > More questions...
        453152
        questions
        720046
        answers
        757998
        users