nickersia
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Questions Asked

nickersia:
Group Title
Use De Moivre's Theorem to prove the identity:
 updated 3 months ago
 3 replies
 No Medals Yet
Mathematics

nickersia:
Group Title
Show that kb^2=(k+1)^2*ac
 updated 3 months ago
 40 replies
 2 Medals
Mathematics

nickersia:
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Tangent at the point of inflection question.
 updated 5 months ago
 23 replies
 1 Medal
Mathematics

nickersia:
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Tap A can fill a cylindrical container in 3 minutes. Tap B can fill the same container in 15 minutes. How long would it take the two taps to…
 updated 6 months ago
 1 reply
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Mathematics

nickersia:
Group Title
A bag contains 8 blue marbles, 4 red marbles and x white marbles. A marble is drawn at random and not replaced. A second marble is drawn at …
 updated 6 months ago
 19 replies
 1 Medal
Mathematics

nickersia:
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Is this correct? (I give medals)
*Image in comments
 updated one year ago
 2 replies
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Mathematics

nickersia:
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Medal to first who explains me this question :)
Find the roots of the equation (comment).
 updated one year ago
 11 replies
 1 Medal
Mathematics

nickersia:
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John drives to work and passes three sets of traffic lights. The probability that he has to stop at the first is 0.6, second 0.7, third 0.8.…
 updated one year ago
 3 replies
 1 Medal
Mathematics

nickersia:
Group Title
A large supermarket chain commissioned a survey to find out whether people favoured extended opening hours at the weekend. Four hundred peop…
 updated one year ago
 3 replies
 1 Medal
Mathematics

nickersia:
Group Title
A random variable X follows a normal distribution with mean 20. (standard deviation 5)
Find probability 14=<X=<26
 updated one year ago
 9 replies
 1 Medal
Mathematics

nickersia:
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sinA=(sprt(3)/2), find two values for cosA without using calculator (x is from 0 do 360 degrees)
 updated one year ago
 23 replies
 2 Medals
Mathematics

nickersia:
Group Title
What makes Macbeth a compelling drama?
This is one of the titles for exam tomorrow, can someone give me some suggestion what should I write…
 updated one year ago
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Mathematics

nickersia:
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Question in comments, can someone help? :)
 updated one year ago
 13 replies
 1 Medal
Mathematics

nickersia:
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Help with logs, question in comments :)
 updated one year ago
 1 reply
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Mathematics

nickersia:
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I need help with a 100 word paragraph
 updated one year ago
 20 replies
 2 Medals
Mathematics

nickersia:
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Hi, I'm new to this website, I don't fully understand what's going on in this section? I saw this http://ocw.nd.edu/computerapplications/ap…
 updated one year ago
 3 replies
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Mathematics

nickersia:
Group Title
If 8ij=7i+kj (vectors), find two possible values for k belongs to R. Answers: +4, 4. How?
 updated one year ago
 5 replies
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Mathematics