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3 July, 22:24

8. The scatter plot shows a hiker's elevation above

sea level over time. The equation of the trend

line shown is y = 8.77x + 686. To the nearest

whole number, predict what the hiker's elevation

will be after 145 minutes.

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Answers (1)
  1. 3 July, 22:50
    0
    The hiker's elevation after 145 minutes will be 1958 meters.

    Step-by-step explanation:

    The equation of the trend line of the scatter plot showing a hiker's elevation is y = 8.77x + 686 ... (1), where x is in minutes (say) and y is in meters (say).

    Now, we have to predict the hiker's elevation after 145 minutes.

    So, from equation (1) we get, y = 8.77 * 145 + 686 = 1957.65 ≈ 1958 meters. (Answer)
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