Saturday

March 28, 2015

March 28, 2015

Posted by **jefferson** on Wednesday, November 16, 2011 at 10:42pm.

a. find an equation to model the population since 1980

b. estimate the population in 1990

c. suppose the current trend continues. predict the population 2000.

- math -
**Reiny**, Thursday, November 17, 2011 at 12:48amP(t) = 161000(.99)^t, where t is the number of years since 1980

b) evaluate for t = 10

c) evaluate for t = 20

(time to update your textbook)

**Answer this Question**

**Related Questions**

science - Since 1960, the gap between rich and poor, as measured by GNP per ...

Math - Solve. The population of a particular country was 29 million in 1980; in ...

5th Grade math - Working Backwards: In the 1980's the Northen White Rhinoceros ...

math - the population of Concord in 1980 was 400 greater than half the ...

Algebra - The population of Australia in x years after 1980 can be modeled by ...

9th grade Algebra - the population of Concord in 1980 was 400 greater than half ...

Calc - Year 1940 1950 1960 1970 1980 Rate of change (million people per year) 29...

Algebra 2 - According to the US Census Bureau, the population of the United ...

to ms.sue - the table below shows the approximate population for the 10 least ...

Calculus - The population of a region is growing exponentially. There were 40 ...