thilina-g
thilina-g
Male
November 5, 2011
Teacher
College - Junior
Engineering
Chemical engineering, process modelling, biorenewable energy sources and bioethanol
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Answered a Question in Math
You want to solve, `((2n+1)!)/((2n-1)!) = 42` I can expand (2n+1)! as...
Answered a Question in Math
This can be done using the Heron's formula. If the sides of a triangle are a,b and...
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The force exerts a deceleration on the body and it can be found by, `F = ma` `50...
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Since the box is travelling on a inclined space not vertically up, the...
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We can separate the two velocities into right angled components and add them...
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You want to find the x-intercepts. That means the points at which y = 0....
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According to the given diagram, `vec(TR) = vec(RS) = vec(b)` and...
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To find the z score you have to find the mean and the standard deviation first....
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If you observe clearly, you can identify that this is a geometric progression with...
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The distance between second and sixth crests is 75 cm. Between the second and...
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Let the time taken for B to pass A be t. Then when B passes A, has travelled 1000...
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We need the z-table to calculate this. `z = (x-mu)/sigma` If you refer to a...
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There are 7 places in the committee. The number of adults without children is 4....
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As it is stated, water in the metal calorimeter and the calorimeter itself are at...
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`f(x) = (e^x)/(x^2-1)` To find the critical points we have to find the derivative...
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`a^12x^4 - a^4x^12` `= a^4x^4(a^8-x^8)` `= a^4x^4(a^4+x^4)(a^4-x^4)` `=...
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The disance between two points `A(x_1,y_1)` and `B(x_2,y_2)` is given by, `AB =...
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Answered a Question in Math
The given probability distribution is a binomial distribution with having a ticket...
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`f(x) = x+7` `g(x) = 2x-5` `h(x) = 2x+4` What you have asked is just...
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`(NH_4)_2Cr_2O_7 ---------gt N_2 + Cr_2O_3 + 4H_2O` According to above equation, 1...
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The solubility product for `Fe(OH)_2` is given by, `Fe(OH)_2 lt----------gt...
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To support the wire against gravity we should exert a force upwards on the wire...
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This can be solved by using Faraday's law of induction or theory of induced...
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