2 years ago

The following formula models the number of prison inmates, P, in thousands, who are in U.S prisons x years after 1980.

Mathematics

1 answer:

MariettaO [177]2 years ago

7 0

2X^2+22x+318=1270
2x^2+22x-952=0
x^2+11x-476=0
(x+28)(x-17)=0
x=17

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