Brotherman
 Name:
 Edem Senaya
 School:
 Kwame Nkrumah University of Science and Technology, Ghana
 About:
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Questions Asked

Brotherman:
Group Title
For a given 2000 x 2000 matrix [A], assume that it takes about 15 seconds to find the inverse of [A] by the use of the [L][U] decomposition …
 updated 8 months ago
 No Medals Yet
Mathematics

Brotherman:
Group Title
can evaporation be negative?? If yes, please what is the significance?
 updated 9 months ago
 3 replies
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Mathematics

Brotherman:
Group Title
Please help me with this question
Two tetrahedral dice with faces labelled 1, 2, 3 and 4 are thrown and the number on which each lands is n…
 updated 10 months ago
 5 replies
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Mathematics

Brotherman:
Group Title
The icebergs and polar ice consitute....................of the total water incidence on the earth.
a) 30%
b) 2.13%
…
 updated one year ago
 1 reply
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Mathematics

Brotherman:
Group Title
The icebergs and polar ice consitute....................of the total water incidence on the earth.
a) 30%
b) 2.13%
…
 updated one year ago
 No Medals Yet
Mathematics

Brotherman:
Group Title
Under the transformation x=cos ,y=sin the equation x22v+y22v=0 becomes.
 updated one year ago
 4 replies
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Mathematics

Brotherman:
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Evaluate ∫c〖sin(x^3 )dxxy +6dy〗 where c is the path starting at I, going by straight line to j then down to the origin, then back to i
 updated one year ago
 10 replies
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Mathematics

Brotherman:
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Please help me with this problem.
Find the volume lying the sphere x^2+y^2+z^2=2z and inside the paraboloid z=x^2+y^2
 updated one year ago
 31 replies
 2 Medals
Mathematics

Brotherman:
Group Title
evaluate SSxdxdy where where D is the region below y=x, above the xaxis and to the left of y=x+2
 updated one year ago
 15 replies
 2 Medals
Mathematics

Brotherman:
Group Title
What are the two electrodes of the pH meter? I know one is standard hydrogen electrode but what is the other one?
 updated one year ago
 2 replies
 2 Medals
Mathematics

Brotherman:
Group Title
What are the two electrodes of the pH meter? I know one is standard hydrogen electrode but what is the other one?
 updated one year ago
 2 replies
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Mathematics

Brotherman:
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Find the volume of the solid bounded by the cylinders z=5x^2, z=3x^2, the plane y+z=4 and the xz plane
 updated one year ago
 11 replies
 3 Medals
Mathematics

Brotherman:
Group Title
Find the points of intersection of the given lines. Line1 : x=23t; y= 3 +2t; z=1 +t
line2: x=22t; y=3t, z=1+5t. Please I need help u…
 updated one year ago
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Mathematics

Brotherman:
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Find the maximum and minimum values of the function f(x,y) = xy subject to the constraint x2/2 + y2/2 = 1. Give the maximum and minimum valu…
 updated one year ago
 15 replies
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Mathematics

Brotherman:
Group Title
Consider a function f(x,y) = sqrt(20x27y2). Using linear approximation of f near (2,1), find how large the approximated value of f(1.95, 1…
 updated one year ago
 20 replies
 1 Medal
Mathematics

Brotherman:
Group Title
Determine the limit of the function lim sin(x2 + y2 +z2)/sqrt(x2 + y2 +z2) at (x,y,z) approaches (0,0,0) if it exist
I need help on this p…
 updated one year ago
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Mathematics

Brotherman:
Group Title
Consider a function f(x,y) = sqrt(20x27y2). Using linear approximation of f near (2,1), find how large the approximated value of f(1.95, 1…
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

Brotherman:
Group Title
Consider a function f(x,y) = sqrt(20x27y2). Using linear approximation of f near (2,1), find how large the approximated value of f(1.95, 1…
 updated one year ago
 No Medals Yet
Mathematics

Brotherman:
Group Title
Consider a function f(x,y) = sqrt(20x27y2). Using linear approximation of f near (2,1), find how large the approximated value of f(1.95, 1…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

Brotherman:
Group Title
Find the maximum and minimum values of the function f(x,y) = xy subject to the constraint x2/2 + y2/2 = 1. Give the maximum and minimum val…
 updated one year ago
 23 replies
 No Medals Yet
Mathematics