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MariettaO [177]
3 years ago
6

What is meant by a "source of error"?

Advanced Placement (AP)
1 answer:
inna [77]3 years ago
6 0
Sources of error are basically sources of uncertainty in your measurements. Every measurement, no matter how precise we believe it to be, contains some uncertainty simply because of how we measure it.
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4(3b-1)=9b what is the answer?​
Zigmanuir [339]

Answer:

b=4/3

Explanation:

12b-4=9b

12b-9b=4

3b=4

b=4/3

7 0
3 years ago
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Doug has filled a long tray with an even layer of sand. Doug then uses two bricks to prop up one side of the tray. Next, Doug us
spin [16.1K]

B. Erosion because water is a common agent of erosion weathering the surface it runs over

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After you've completed your analysis, the first people you should share the information with are
BaLLatris [955]

A, or B. depends on the context

8 0
3 years ago
If the world population is estimated to be 7 billion in 2011, and is growing at a rate of 1.2%,when is the population likely to
GrogVix [38]

Answer


B) 2041


Explanation:

The rate of growth per year is 1.2% which means after first year the population will be


                   7+ 7×(1.2/100)


After second year


                   7×1.012 +7×1.012 (1.2/100)


                  =7×1.012  (1+1.2/100)


                   =7×1.012  (1.012)


                   =7×1.012  ×1.012  


Similarly, after third year it will be as:


                    =7×1.012  ×1.012 ×1.012    

So our after x year the growth will be


                       7 (1.012)^x  

We need to find, when the value will be 10 billion so our equation will be as:


                       10=7×(1.012)^x

                We can solve it easily here.  

                       10/7= (1.012)^x

                Take log on both sides


                   ㏒  10/7 = ㏒(1.012^x)


                   ㏒  10/7 = ㏒(1.012^x)


                   ㏒  10/7  ÷㏒(1.012) = x

                    x =29.90 ≈ 30


Conclusion:


So it will take 30 years to take the world population to reach 10 billion if the rate of growth is 1.2%. Thus 2011 + 30 = 2041 is the correct answer.  


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3 years ago
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Https://quizlet.com/19545271/chapter-6-integumentary-system-vocab-flash-cards/

this'll answer theem
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