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Andreas93 [3]
2 years ago
9

the amount of carbon 14 remaining in a sample that originally contained a grams is given by c(t) = a(0.999879)t where t is time

in years. if tests on a fossilized skull reveal that 99.7% of the carbon 14 has decayed, how old, to the nearest 1,000 years, is the skull?
Mathematics
1 answer:
RSB [31]2 years ago
6 0
The awnser is about 300 years old.

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Pls help me i need it​
Delvig [45]

Answer:

13=x

Step-by-step explanation:

Side-spliting theorem

21/(x-4)=14/6

cross multiply

21*6=14*(x-4)

distribute 14

126=14x-56

add 56 to both sides

126+56=14x-56+56

leaving you with

182=14x

Divide both sides by 14 to get x by itself

182/14=14x/14

13=x

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2 years ago
You read 50 pages in an hour your sister reads 40 pages in an hour how many more pages did you read than your sister reads in 1/
Elena-2011 [213]

To start to figure this problem out, we can first figure out how many more pages you read in an hour compared to your sister.


50 - 40 = 10, so you read 10 more pages in 1 hour.


Now we have to figure out how much more you would read in 1/2 an hour. Since 1/2 an hour is 1/2 of an hour, we can divide 10 by 2 to figure out how many more pages you read in an hour compared to your sister. 10 divided by 2 is 5, so you read 5 more pages every half hour.

6 0
3 years ago
240,000 written as 10th power
kirill115 [55]
The answer is 24 to the 4th power
3 0
2 years ago
Please help? <br> I don’t understand this
Brut [27]

Answer:

Please see the graph below

Step-by-step explanation:

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3 0
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Need answers asap pls bae&lt;3<br>ill mark you the whatever if you answer bae​
ValentinkaMS [17]

Answer: Justin is shown in 15 pictures with friends, 6 with family, and 8 with only him

Step-by-step explanation: Hope this helps :)

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