In a town whose population is 2000, a disease creates an epidemic. The number N of people infected t days after the disease has begun is given by the function
N(t) = 2000 over 1+21.8.e to the power -0.8t
Using a calculator, find the number of people infected after 5 days.

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Asked 7/13/2009 10:06:03 AM

Updated 6/12/2022 5:29:14 PM

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Expert answered|Fut004|Points 60|

Question

Asked 7/13/2009 10:06:03 AM

Updated 6/12/2022 5:29:14 PM

1 Answer/Comment

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Two ships leave a harbor together traveling on courses that have an angle of 120° between them. If they each travel 515 miles, they are 892 miles apart.

Solution: Both the ships travel 515 miles.

An isocoles triangle is contructed with apex of 120 deg and 2 base angles = (180-120)/2=30 deg each.

hypotenuse = 515

cos(30) = adj/515

adj = 515cos(30) = 446

446 × 2 = 892 mi.

Solution: Both the ships travel 515 miles.

An isocoles triangle is contructed with apex of 120 deg and 2 base angles = (180-120)/2=30 deg each.

hypotenuse = 515

cos(30) = adj/515

adj = 515cos(30) = 446

446 × 2 = 892 mi.

Added 6/12/2022 5:29:14 PM

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