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tekilochka [14]
3 years ago
11

What are both positive and negative controls important when analyzing lab reports ?

Health
2 answers:
fenix001 [56]3 years ago
3 0

Answer:

The positive control is an experiment that involves the repetition of the testusing working treatment. ... This helps the analyst compare the result to a new experiment against an already results that are already known. Negative controls are always used during microbiology testing.

Reptile [31]3 years ago
3 0
The positive control is an experiment that involves the repetition of the test using working treatment. ... This helps the analyst compare the result to a new experiment against an already results that are already known. Negative controls are always used during microbiology testing.
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Radius of sphere= 10 cm

Volume = 4/3πr^3 = 4/3 x 22/7 x 1000= 4190.47cm

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Since it's increasing by 5%, the radius would be 10+5/100 = 10+1/20 = 201/20 = 10.05cm..

<em>THE</em><em> </em><em>NEW</em><em> </em><em>VOLUME</em><em> </em><em>NOW</em><em>.</em><em>.</em><em>.</em>

4/3πr^3 = 4/3 x 22/7 x (10.05)^3 = 4253.64 cm^3

<em>INCREASING</em><em> </em><em> </em><em>THE</em><em> </em><em>VOLUME</em>

(4253.64- 4190.47) cm ^3 = 63.17 cm^3

<em>INCREASING</em><em> </em><em>PERCENTAGE</em><em>.</em><em>.</em>

63.17/4190.47x100 = 1.5% (Answer)

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