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Question
Submitted by gariag on Tue, 2012-04-24 14:25
due on Mon, 2012-04-02 09:00
answered 2 time(s)
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I am doing a geologic time scale for class and comparing it to a soccer field that is 120 yards....

I am doing a geologic time scale for class and comparing it to a soccer field that is 120 yards. Here are the questions. The math part is giving me a headache.

Some Important Dates in the History of the Earth

1) Origin of the earth - 4,600,000,000 years ago

2) Oldest rocks one earth - 4,000,000,000 years ago

3) First eukaryotic cells - 2,100,000,000 years ago

4) First Metazoans - 635,000,000 years ago

5) End of the PreCambrian - 542,000,000

6) First Land Animals - 428,000,000

7) End of Mesozoic - 66,000,000

8) Earliest humans - 2,000,000

9) End of the Ice Age - 11,700 years ago

10) My birthday - June 9, 1992

Answer
Submitted by Coloratus on Wed, 2012-04-25 19:45
teacher rated 77 times
4.753245
purchased one time
price: $10.00

Answer rating (rated one time)

2

Complete answer with full step-by-step explanations

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If you xxxxxxx the xxxx xxxxxx starting xxxx the origin of xxxxx (at xxxx xxxxxx t = xxx you take that xxxx now xx has xxxxxxx

That xx also the begging point of xxx xxxxxxxxxx system. We xxx xxx xx xx xx the picture:

xxxxxxxx event at xxxxxx x

but xx can also mark xxx xxxxxxxx and end point differently (in xxxxxxxx xx xxxxxx xxxxx xxx xxxxxxx

x yards 120 xxxxx

Now we can xxxxx the ratio:

xx xxx xxxxx xxxx a xxx differently, becase xx can express from the xxxx we xxx in the xxxxxxxxxx xxxxxxx xx years xx happend xxxx ):

xxx

Now xxxx we input xxxxxx xxx x xx xxxx

xxxxxxxxxxxxxxxxxx

i

xxxxxxxx

xi/yards

xxxxxxxxxx

x

xxxxxxxxxx

x

xxxxxxxxxx

2

4000000000

xxxxxxxxxxx

xxxxxxxxxxx

x

2100000000

xxxxxxxxxx

54,3478261%

4

xxxxxxxxx

103,4347826

xxxxxxxxxxx

5

542000000

105,8608696

88,2173913%

6

xxxxxxxxx

xxxxxxxxxxx

xxxxxxxxxxx

x

xxxxxxxx

xxxxxxxxxxx

xxxxxxxxxxx

x

2000000

119,9478261

xxxxxxxxxxx

x

xxxxx

119,9996948

xxxxxxxxxxx

10

10

119,9999997

xxxxxxxxxxx


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Answer
Submitted by zext on Thu, 2012-04-26 14:33
teacher rated 73 times
4.90411
purchased one time
price: $10.00

correct answer

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check attached xxxxx

file1.docx preview (81 words)

xxxxxxxxxxxxxxxxxxxxxxxxx

xxxxx

xxxxxxxxxx xxxx xxxxxx

(t xx xxxxxx

xxxxxxxxxx factor

(f=1-(t/4,600,000,000))

xxxxxxxx xx xxxxxx xxxxxxxxx xxxxxx

xx x xxxxxx

xxxxxx of xxxxx

xxxxxxxxxxxxx

0

x yards

xxxxxx xxxx xx xxxxx

xxxxxxxxxxxxx

xxxxxxx

xx .65 xxxxx

= 15 xxxxx xxxx xxxx

xxxxx xxxxxxxxxx xxxxx

2,100,000,000

xxxxxxx

xxxxx yards

x 65 xxxxx xxx xxxx

xxxx metazoans

635,000,000

xxxxxxx

103.43 yards

= xxx yards 15.5 inch

xxx of the xxxxxxxxxxx

xxxxxxxxxxx

xxxxxxx

105.86 xxxxx

x 105 yards xx xxxx

xxxxx land animals

xxxxxxxxxxx

0.90696

108.83 xxxxx

x 108 xxxxx 29.9 xxxx

xxx xx Mesozoic

xxxxxxxxxx

0.98565

xxxxxx yards

x xxx xxxxx 10 xxxx

xxxxxxxx xxxxxx

2,000,000

xxxxxxx

xxxxxx yards

= xxx yards xxxx xxxx

End of ice xxx

11,700

xxxxxxxxx

119.99969 yards

x xxx xxxxx 35.98 inch

xx xxxxxxxxxxxxx 9,1992)

xx

0.9999999956

xxxxxxxxxxxx xxxxx

= 119 yards 35.99998 inch

xxxxxx

1 yard x 36 inches


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