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14.04.2020 •
Mathematics
Louden County Wildlife Conservancy counts butterflies each year. Data over the last three years regarding four types of butterflies are shown below. What inference can be made about the butterflies in Louden County from the samples?
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Ответ:
As per he data given in the louden country wildly conservation from 2009 to 2011.
The Eastern- Trailed Blue butterfly has a higher count, which implies that is more common. Thus the correct option is C.Learn more about the wildlife conservation.
link.
Ответ:
Incomple question. However, here's the remaining part of the question:
14
2009
Meadow Fritillary= 5
Variegated Fritillary= 7
Zebra Swallowtail= 33
Eastern-Tailed Blue= 242
Louden County Butterfly Count
2010
Meadow Fritillary 34
Variegated Fritillary 95
Zebra Swallowtail 21
Eastern-Tailed Blue 168
2011
Meadow Fritillary
Variegated Fritillary
Zebra Swallowtail
Eastern-Tailed Blue
10
170
Options:
A) All butterfly populations are steadily decreasing.
B)All butterfly populations were larger than usual in 2010.
C)The Eastern-Tailed Blue butterfly is more common than the others.
D)The Meadow Fritillary is equally common as the Variegated Fritillary
C
Step-by-step explanation:
Looking through the above count data by Louden County Wildlife Conservancy from 2009 to 2011 we notice the Eastern- Trailed Blue butterfly has a higher count, which implies that the Eastern-Tailed Blue butterfly is more common than the other butterflies.
Therefore, we could infer from the samples, that the Eastern-Tailed Blue butterfly is more common than others from the records of the past 3 three years.
Ответ:
Step-by-step explanation:
This is an arithmetic sequence since there is a common difference between each term. In this case, adding
4
to the previous term in the sequence gives the next term. In other words,
a
n
=
a
1
+
d
(
n
−
1
)
.
Arithmetic Sequence:
d
=
4
This is the formula of an arithmetic sequence.
a
n
=
a
1
+
d
(
n
−
1
)
Substitute in the values of
a
1
=
2
and
d
=
4
.
a
n
=
2
+
(
4
)
(
n
−
1
)
Simplify each term.
Tap for more steps...
a
n
=
2
+
4
n
−
4
Subtract
4
from
2
.
a
n
=
4
n
−
2