Answer: 13, 15, 21, 38, 52
because The total length of two sides of a triangle is always greater than the length of the third side => 34 + 19 > x
⇔ x < 53
=> x ∈ {13; 15; 21; 38; 52}
Step-by-step explanation:
The correct answer is C. t= 8ln(100)
Hope this helped! :)
^-^
Answer: 54678 years
Step-by-step explanation:
This can be solved by the following equation:
(1)
Where:
is the quantity of atoms of carbon-14 left after time 
is the initial quantity of atoms of C-14 in the mammal hide
is the rate constant for carbon-14 radioactive decay
is the time elapsed
On the other hand,
has a relation with the half life
of the C-14, which is
:
(2)
Substituting (2) in (1):
(3)
Applying natural logarithm on both sides of the equation:
(4)
(5)
Isolating
:
(6)
(7) This is the age of the mammal hide
it means that the length is 5 times the width