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
At the turning point of the function f(x), f'(x) = 0. Here f(x) = 3x^2 + 6x - 2...
Answered a Question in Math
The equation to be solved is 4/(x-3) + 2/x = 1 4/(x-3) + 2/x = 1 => 4x +...
Answered a Question in Math
We have to solve 12*(cos theta)^2 + 3 = 13*cos theta for theta with 0 < theta...
Answered a Question in Math
The sides of the perimeter form an arithmetic series. So we know that the...
Answered a Question in Math
We have to solve the equation 4^(x - 1) = 3^2x We see that the base of the two...
Answered a Question in Physics
The skier slides down a slope that is 11.7 m long and inclined at an angle theta...
Answered a Question in Chemistry
The reaction of the combustion of carbon is: C + O2 --> CO2 dH = -393.5...
Answered a Question in Business
One view holds that a contractionary policy cannot work during a recession....
Answered a Question in Health Issues
The affects of drinking alcohol while pregnant have been studied extensively....
Answered a Question in Math
The container needs to have a volume of 24 m^3 and a depth of 6 m. There is no...
Answered a Question in Math
We have to solve 2*(cos x)^2 + 3*sin x - 3 = 0 for x in [0, 2*pi] 2*(cos x)^2 +...
Answered a Question in Math
We have the following set of simultaneous equations to solve: 9x - 7y = 88 ...(1)...
Answered a Question in Math
For a function f(x) to be continuous at x = c there are 3 conditions that have to...
Answered a Question in Math
We are given that y is inversely proportional to x and the the constant of...
Answered a Question in Math
Integration can be done using substitution if it is required to convert an...
Answered a Question in Science
Newton's Third law states that for every action there is an equal and opposite...
Answered a Question in Physics
The box in the problem is placed on a ramp that makes an angle of 30 degrees with...
Answered a Question in Math
We have f(x) = 2x + 2 and g(x) = sqrt (x + 3) fog(x) = f(g(x)) => f( sqrt (x...
Answered a Question in Math
The distance between two points with coordinates (x1, y1) and (x2, y2) is given by...
Answered a Question in Math
The triangle ABC has vertices at A(0, -1) , B(2 , 1) and C(-4, 3). The length of...
Answered a Question in Math
We have to determine whether 15% of 380 is greater of 25% of 210. 15% of 380...
Answered a Question in Math
The number is increased from 120 to 150. The numeric increase in the number is 150...
Answered a Question in Math
We are given that log(3) [3^(x+1) - 18] = 2. We have to find x. log(3)...
Answered a Question in Math
We have to solve 3^(x+1) + 3^x + 3^(x-1) = 39 for x 3^(x+1) + 3^x + 3^(x-1) = 39...
Answered a Question in Math
We have to find the value of log(2) 400 - log(2) 100 We use the property: log a ...
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