AleciaWorf95 AleciaWorf95

10-06-2015
Mathematics

Answered

The equation P = 0.0089t2 + 1.1149t + 78.4491 models the
United States population, P, in millions since 1900. If t represents the
number of years after 1900, then what is the estimated population
in 2025 to the nearest tenth of a million?
(1) 217.8 (3) 343.9
(2) 219.0 (4) 356.9

Answer :

kimeto3 kimeto3

10-06-2015

(4) 356.9
There are 125 years from after 1900 to 2025
P= (0.0089x125x125)+(1.1149x125)+78.4491
=139.0625+139.3625+78.4491
=356.87
=356.9

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