Mathematics
08.01.2020 11:50
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Jeanette obtained 32% for her statistics test, which was out of a total of 300 marks.
Jeanette obtained 32% for her statistics test, which was out of a total of 300 marks. How much should she score in the computer science test that is out of 200 marks in total if she is to get a proportionally weighted average of 46%?
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cearp
4,9(3 marks)
134
Step-by-step explanation:
So assuming x is the score on the computer science exam, it would take 300*0.32+x=500*0.46=230 to get x=134
villarrealc1987
4,7(81 marks)
The solution is ![\frac{1}{10} * tan^{-1}[\frac{e^{2x}}{5} ] + C](/tpl/images/0745/6874/9eebf.png)
Step-by-step explanation:
From the question
The function given is 
The indefinite integral is mathematically represented as
Now let 
=> 
=> 
So
![= \frac{1}{2} \frac{tan^{-1} [\frac{u}{5} ]}{5} + C](/tpl/images/0745/6874/72fb5.png)
Now substituting for u
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