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21 August, 08:48

The equation used to predict how tall a dog will be as an adult is ŷ=4.5 + 0.7x1 + 0.55x2, where x1 is the height of the mother and x2 is the height of the father. Use this equation to predict the height of a puppy whose mother is 40.3 inches tall and whose father is 45.9 inches tall.

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  1. 21 August, 10:58
    0
    The height of a puppy to be an adult is about 60 inches tall.

    Step-by-step explanation:

    Dog's height was predicted as y = 4.5 + 0.7 (x1) + 0.55 (x2). Given than mother's height (x1) is 40.3in and father's height (x2) is 45.9in, so you can just substitute x1 & x2 value into the equation:

    x1 = 40.3in

    x2 = 45.9in

    y = 4.5 + 0.7 (40.3) + 0.55 (45.9)

    = 4.5 + 28.21 + 25.245

    = 57.955in

    ≈ 60in (3s. f)
  2. 21 August, 11:12
    0
    Answer:the height of the puppy would be 57.955 inches

    Step-by-step explanation:

    The equation used to predict how tall a dog will be as an adult is

    y = 4.5 + 0.7x1 + 0.55x2,

    where x1 is the height of the mother and

    x2 is the height of the father.

    We want to predict the height of a puppy whose mother is 40.3 inches tall and whose father is 45.9 inches tall. We would do this by substituting x1 = 40.3 and x2 = 45.9 into the given equation. It becomes

    y = 4.5 + 0.7 * 40.3 + 0.55 * 45.9

    y = 4.5 + 28.21 + 25.245

    y = 57.955 inches
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