babygirlali babygirlali
  • 16-08-2018
  • Mathematics
contestada

about 70,000 people live in a circular region with a 30-mile radius. find the population density in people per square mile.

Respuesta :

zandriasalmon
zandriasalmon zandriasalmon
  • 16-08-2018

Solve for the area of the circular region first:

A = pi*r^2

A = pi*(30 mi)^2

A = 2827.43 mi^2

Density = 70000 people/2827.43 mi^2

Density = 24.76 = 25 people/mi^2 <--ANSWER Plz vote brainnliest


Answer Link

Otras preguntas

Does anyone know what I put for 4-10 I did 1-3 but confused on the rest it’s asking to tell where each person is located based in the description so basically t
What were some of the racist codes put in place to keep slave holders in power?
Find the value of x for this problem
what is 7/9 divided by 14/3
Based on information in paragraph 2, it can be understood that the author would recommend that parents engage in which of the following types of communication w
simplify the expression 4n^6 / 2n ^ -2
Which statement about convergent infinite geometric series is true? A- The graph of a convergent infinite geometric series moves towards infinity. B- Convergent
Write an equation of the line below.
Find the Mean of the given data. 10,20,30,40,50
Andrew's class took a field trip to the art museum. It took them 18 minutes to drive to the museum. They stayed at the museum for 1 hour and 59 minutes. When th