PLZ HELP ASAPPP!! I'M NOT 100% SURE ON HOW TO DO THIS
2 answers:
Answer:
4 4a+8
4a +8a
2a
2 4-6a
Step-by-step explanation:
Okay basicly you wand to find the biggest number that can go into both numbers
like the greatest common fact for 4a+8 would be 4 since only one of the numbers have an a you would just leave that out
Since you can take a 4 and an a out of and out of 8a the greatest common factor would be 4a
Since you are able to take a 2 and an a out of your greatest common factor would be a
Since the largest number that can go into 4 and 6 is 2 your answer would be 2
Hope this helps you understand!
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Answer:
% Remaining
And replacing the value t =5.5 hours we got:
% Remaining
Step-by-step explanation:
Previous concepts
The half-life is defined "as the amount of time it takes a given quantity to decrease to half of its initial value. The term is most commonly used in relation to atoms undergoing radioactive decay, but can be used to describe other types of decay, whether exponential or not".
Solution to the problem
The half life model is given by the following expression:
Where A(t) represent the amount after t hours.
represent the initial amount
t the number of hours
h=2.6 hours the half life
And we want to estimate the % after 5.5 hours. On this case we can begin finding the amount after 5.5 hours like this:
Now in order to find the percentage relative to the initial amount w can use the definition of relative change like this:
% Remaining =
We can take common factor and we got:
% Remaining
And replacing the value t =5.5 hours we got:
% Remaining
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