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Hey, For real I need help on this: 2.7(13r - 8.3) = 98 rounded to the nearest tenth. Thanks in advance to whoever can find the answer.?

Science & Mathematics by Anonymous 2018-07-08 15:04:10

Social Science

Hey, For real I need help on this: 2.7(13r - 8.3) = 98 rounded to the nearest tenth. Thanks in advance to whoever can find the answer.?

5 answers

  • Anonymous

    The answer is r = 3.4 rounded to the nearest tenth

  • Anonymous

    35•1 r - 22•41 = 98 35•1 r = 120•41 r = 120•41 / 35•1 r = 3•4

  • Anonymous

    Simple arithmetic

  • Anonymous

    2.7(13r - 8.3) = 98 13r - 8.3 = 36.296 13r = 44.596 r = 3.4

  • Anonymous

    2.7(13r - 8.3) = 98 35.1 (r - 0.638462) = 98 35.1 r - 22.41 = 98 35.1 r - 120.41 = 0 Solution: r ≈ 3.43048

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