justaguide
justaguide
Male
November 8, 2010
Teacher
College - Senior
Chemistry, Mathematics, Physics
My interests include the stock market, architecture and modern science.
Biography
I have formally taught math, physics and chemistry.
New Activity for justaguide
Answered a Question in Math
The volume of a cone with the base having radius r and the height of the cone...
Answered a Question in Math
It is not possible to find the equation of a perpendicular line given just one...
Answered a Question in Math
From a particular window on a tall building the distance to a cross made on the...
Answered a Question in Science
In the SI system, watt is the unit for power. Hour is a unit of time, equal to...
Answered a Question in Science
A current of 200 mA is flowing through the lamp. One ampere is the current that...
Answered a Question in Math
The roots of a quadratic equation of the form ax^2 + bx + c = 0 are `(-b+-sqrt(b^2...
Answered a Question in Math
The equation of the original parabola is y = x^2. The parabola is shifted such...
Answered a Question in Math
The roots of any quadratic equation of the form ax^2 + bx + c = 0 are `x = (-b+-...
Answered a Question in Physics
Atoms of all elements, except hydrogen, are made of electrons, neutrons and...
Answered a Question in Math
The circle (x-2)^2+(y+3)^2=25 has center (2, -3) and radius 5. As A(6, -6) and...
Answered a Question in Math
The equation of a circle with center (h, k) and radius r is (x - h)^2 + (y - k)^2...
Answered a Question in Math
The modulus of a number N is the value of N irrespective of the sign that precedes...
Answered a Question in Math
100 g of a substance is left to evaporate. Each day it loses one-tenth of its...
Answered a Question in Math
The integral `int (sqrt(2+x^2) - sqrt(2 - x^2))/sqrt(4 - x^4) dx` has to be...
Answered a Question in Math
The probability that a broccoli seed grown outdoors germinates is 0.6. The...
Answered a Question in Math
The circle has a diameter that joins the points (3, 6) and (8, 10). The center of...
Answered a Question in Math
The equation of a circle with radius r and center (h, k) is (x - h)^2 + (y - k)^2...
Answered a Question in Math
A line tangent to a circle at any point on a circle is perpendicular to the line...
Answered a Question in Math
Let the rate of interest be r. A sum of money increases to $13230 in one year and...
Answered a Question in Math
The domain of a function y = f(x) is all real values of x for which y is real. For...
Answered a Question in Math
The solution of the set of equations 3x + 4y = 8 and x + y = 2 has to be...
Answered a Question in Math
Each of the given equations 3x + 4y = 8 and x + y = 2 represents a straight line....
Answered a Question in Math
The set of linear equations 3x + 4y = 18, x + 6y = 12 has to be solved. x + 6y =...
Answered a Question in Math
Answered a Question in Math
It has to be evaluated if `log_3 5 = log_5 3` . Use the relation `log_a b = (log_x...
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