khloeallnn
21.11.2019 •
Mathematics
The united states population of gray wolves was 1170 in 1991. if the population is decreasing by 5% each year, how long before there are only 300 left?
need this asap! you so much!
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Ответ:
approximately 25.8 years. or you could just round it up to 26 years as well
Ответ:
9
(
1
×
9
,
3
×
3
,
9
×
1
)
(
x
−
9
)
(
x
−
1
)
=
0
Now, solve each factor for
0
:
x
−
9
=
0
x
−
9
+
9
=
0
+
9
x
−
0
=
9
x
=
9
and
x
−
1
=
0
x
−
1
+
1
=
0
+
1
x
−
0
=
1
x
=
1