SOLUTION: In 2002, the population of a certain country per square mile of land area was 87. In 2000, the person per square mile population was 85.8.Assume the relationship between years and

Algebra.Com
Question 913789: In 2002, the population of a certain country per square mile of land area was 87.
In 2000, the person per square mile population was 85.8.Assume the relationship between years and persons per square mile is a linear relationship.
A) Write an equation in slope intercept form,describing the relationship between tear and persons per square mile.Use ordered pairs of the form(x,y) where x is the number of years past 2000 and y is persons per square mile.
B)Use this equation to predict the person per square mile population in 2030.

a)What is the equation describing the linear relationship?
y=

b)Use the equation from part (a) to determine the person per square mile population in 2030.
(decimal number)

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
(2, 87)
(0, 85.8) m = 1.2 /2 = .6
y - 85.68 = .6(x-0)
y = .6x + 85.68
In 2030 (x=30)
y = .6(30) + 85.68 = 103.68

RELATED QUESTIONS

In ​2007, the population of a certain country per square mile of land area was 83.... (answered by ikleyn)
In 1982 the population density of a country was 64 people per square mile, and in 2002 it (answered by ikleyn)
The land area of a country is about 10 miles square miles and its population is about 100 (answered by josmiceli)
In 2000 the population density of the United States was 80 people per square mile, and in (answered by ewatrrr)
Could someone help me solve this problem? I have submitted it 3 times and I guess no has (answered by psbhowmick)
In 1960, a certain​ country's population was 76,568,921, and its area was... (answered by ikleyn)
In 2010, the population of Salt Lake City, Utah, was 186,440 and the population density... (answered by rfer)
A COUNTRY has a growth of 3.3% per year. The population is currently 4,900,000 and the... (answered by josmiceli)
Country A has a growth rate of 4.8​% per year. The population is currently... (answered by stanbon)