Mathematics, 20.09.2019 05:00 naruto63
Suppose that d(r) is a function which gives the population density, in hundreds of people per square mile, within r miles of the center of a very small town. assume that there are 100 people per square mile within 5 miles of the town’s center, and 350 people per square mile within 7 miles. a. let t(r) be the number of people (in hundreds) who live within r miles of the city. write an expression for t(r), in terms of r and d(r). b. what is the average rate of change of the function t (r) over the interval [5, 7]
Answers: 3
Mathematics, 21.06.2019 13:30
Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.
Answers: 1
Mathematics, 21.06.2019 22:00
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Mathematics, 21.06.2019 23:00
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Mathematics, 21.06.2019 23:30
How do you write 600 as a product of its prime factors (index! )
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Suppose that d(r) is a function which gives the population density, in hundreds of people per square...
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