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anonymous

  • 5 years ago

Anyone up for this one - The average height of a boy in the U.S., from birth thru 60 months, can be modeled by y=2.9√x+20.1 where y is the average height in inches of boys who are x months of age. What would the expected difference in height be between a child 49 months and a child 16 months?

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  1. dumbcow
    • 5 years ago
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    if x=49, y = (2.9)(7)+20.1 = 40.4 if x=16, y = (2.9)(4) + 20.1 = 31.7 difference = 40.4 - 31.7

  2. anonymous
    • 5 years ago
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    so 8.7 thank you

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