The half life formula is :
where N(t) = remaining quantity after t years
No = Original Quantity
t = time in years
T = half life in years
From the problem, we have :
N(t) = 30 grams
No = 100 grams
T = 674
Solve for t :
Take ln of both sides :
The answer is t = 1170.71 years
Answer:
3 and 18
<em>I</em><em> </em><em>HOPE</em><em> </em><em>IT</em><em> </em><em>WILL</em><em> </em><em>HELP</em><em> </em><em>YOU?</em><em>:-) </em>
Hey there!!
Given:
... 7x-8=4+3x
... 4x-8=4
... 4x=12
... x=12/4
...x=3
Hence, the required answer is 3.
Hope it helps!
Common figures with only rotational symmetry are the recycling sign and fan blades. If a figure coincides with the original twice in one full turn, it has two-fold rotational symmetry, or rotational symmetry order two. ... The square, for example, has four-fold rotational symmetry.
Answer: A is the correct answer
Step-by-step explanation: D has a removable discontinuity at x =-3 and is not continuous.
