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jasenka [17]
3 years ago
6

NEED HELP QUICK!!! WILL GIVE LIKE

Mathematics
1 answer:
AVprozaik [17]3 years ago
8 0
Don’t open the link give you a virus
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The age of an ancient tree trunk is estimated using radiocarbon dating. If the trunk has a C-14 decay rate that is 34% of what i
laiz [17]

Answer:

8923 years

Step-by-step explanation:

Half life of C-14 = 5730yrs

decay rate= 34%

Halt life (t^1/2) = (ln2) / k

5730 = (ln2) /k

k = (ln2) / 5730

k = 1.209 * 10^-4

For first order reaction in radioactivity,

ln(initial amount) = -kt

ln(34/100) = -(1.209*10^-4)t

-1.0788 = -(1.209*10^-4)t

t = -1.7088/ -1.209*10^-4

t = 8923 years

7 0
4 years ago
Do anyone know how to solve this? need the answer fast.
Nikitich [7]
The value of g^-1(-3) is the value of x that makes g(x) = -3. To find it, we can solve
.. (x +4)/(2x -5) = -3
.. x +4 = -3(2x -5)
.. 7x = 11
.. x = 11/7

The desired value is
.. (3/11)*g^-1(-3)
.. = (3/11)*(11/7)
.. = 3/7

\frac{3}{11} g^{-1}(-3) = \frac{3}{7}
6 0
3 years ago
Which description can represent the surface area of this trunk
Elina [12.6K]

Answer:

It's B.

Step-by-step explanation:

A trunk has six faces . The total  surface area will be the sum of the areas of these faces.

3 0
3 years ago
in a class of 30 students the highest score in physics test was 98 and the lowest was 35 what was the range?​
In-s [12.5K]

Answer:

63

Step-by-step explanation:

basta ayon sagot ko obob ko eh

5 0
3 years ago
What is m+7=24 I will give brainlist!
Genrish500 [490]

Answer:

m= 234

Step-by-step explanation:

3 0
3 years ago
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