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Submitted by gariag on Tue, 2012-04-24 14:25
due on Mon, 2012-04-02 09:00
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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 74 times
4.797295
purchased one time
price: $10.00

Answer rating (rated one time)

2

Complete answer with full step-by-step explanations

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xx xxx xxxxxxx xxx xxxx period starting from xxx xxxxxx of Earth xxx that xxxxxx x x 0), xxx xxxx that xxxx now it xxx passed:

xxxx is xxxx xxx begging point of xxx coordinate system. We can set xx xx on the xxxxxxxx

xxxxxxxx xxxxx at xxxxxx T

but we xxx xxxx mark xxx beginnig xxx xxx point differently (in relation xx xxxxxx field xxx yards):

0 yards 120 yards

Now we xxx write xxx xxxxxx

We can write this a bit differently, becase xx xxx xxxxxxx xxxx the xxxx xx xxx in the assignment xxxxxxx of xxxxx xx happend xxxx ):

so,

xxx when xx input xxxxxx xxx x we get:

xxxxxxxxxxxxxxxxxxxx

i

xxxxxxxx

xxxxxxxx

Percentage

1

4600000000

x

xxxxxxxxxx

x

4000000000

15,65217391

xxxxxxxxxxx

x

xxxxxxxxxx

65,2173913

xxxxxxxxxxx

4

xxxxxxxxx

xxxxxxxxxxx

xxxxxxxxxxx

5

542000000

105,8608696

88,2173913%

x

428000000

108,8347826

90,6956522%

x

xxxxxxxx

xxxxxxxxxxx

xxxxxxxxxxx

8

2000000

119,9478261

xxxxxxxxxxx

9

11700

xxxxxxxxxxx

99,9997457%

xx

xx

119,9999997

99,9999998%


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Answer
Submitted by zext on Thu, 2012-04-26 14:33
teacher rated 37 times
5
purchased one time
price: $10.00

correct answer

body preview (3 words)

check xxxxxxxx xxxxx

file1.docx preview (118 words)

xxxxxxxxxxxxxxxxxxxxxxx

Event

xxxxxxxxxx xxxx period

(t xx xxxxxx

Conversion factor

xxxxxxxxxxxxxxxxxxxxxxx

Distance xx soccer field(120 xxxxxx

xx = f*120)

xxxxxx xx xxxxx

xxxxxxxxxxxxx

x

x yards

Oldest rock on earth

4,000,000,000

0.13043

15 xxx yards

x 15 xxxxx xxxx xxxx

First eukaryotic xxxxx

xxxxxxxxxxxxx

xxxxxxx

xxxxx xxxxx

= xx xxxxx xxx xxxx

Firs xxxxxxxxx

xxxxxxxxxxx

0.86196

103.43 xxxxx

x 103 yards xxxx xxxx

xxx of xxx xxxxxxxxxxx

542,000,000

xxxxxxx

105.86 yards

x xxx xxxxx 31 xxxx

First xxxx animals

xxxxxxxxxxx

xxxxxxx

108.83 xxxxx

x 108 xxxxx xxxx xxxx

xxx of xxxxxxxx

xxxxxxxxxx

xxxxxxx

xxxxxx yards

x 118 xxxxx 10 inch

Earliest xxxxxx

2,000,000

0.99957

xxxxxx yards

x xxx xxxxx 33.8 inch

xxx xx ice xxx

xxxxxx

0.9999974

xxxxxxxxx xxxxx

x 119 xxxxx 35.98 inch

My xxxxxxxxxxxxx 9,1992)

xx

0.9999999956

119.99999947 xxxxx

x xxx yards 35.99998 xxxx

Answer

1 yard = 36 xxxxxx


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