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 trigonometry math
We need the solutions of sin 12x + cos 6x = 0. sin 12x + cos 6x = 0 => 2*sin...
Answered a Question in trigonometry math
We have to find x given that : tan^2 x - 4sec x + 5 = 0 (tan x)^2 - 4sec x + 5 = 0...
Answered a Question in Calculus
The solid that would be constructed by the curve y=(x^2) +1, the x-axis, y-axis...
Answered a Question in Math
It is given that length exceeds width by 2 feet. And if each of the dimensions is...
Answered a Question in Physics
When current is passed through the filament of an incandescent lamp, its...
Answered a Question in Math
Given a^2 + 3a - 1 = 0, the result for a^4 + 6a^3 + 12a^2 + 9a - 4 is required....
Answered a Question in Math
The equation to be solved is: log(4x+16) - log100 = log16 - 2log2 Use the...
Answered a Question in Math
You have (+8) + (-15) = -(15 - 8) The result of this is -7 because you simplify...
Answered a Question in Math
The following expression has to be simplified: 2^(1 - n)*(sqrt 8)^n)/(sqrt 2)^-n...
Answered a Question in Calculus
We have to find the value of lim x-->2 [(x^3-2x^2)/(x-2)] IF we substitute x=2,...
Answered a Question in Math
We have to determine the value of x for the equation: 4^(x^2+x) - 4096 = 0....
Answered a Question in Science
In a pressurized system, the fluid flows due to a change in pressure which can be...
Answered a Question in Science
The particle theory states that matter is made up of small indivisible particles...
Answered a Question in Math
We have to solve for x given the equation: 3^(4x-3)*5^(7x-4)=3^3x*5^(8x-7)...
Answered a Question in algebra1
We have the equation y^2 + 3 = 13/y^2 - 9 and we need to find the real solutions....
Answered a Question in algebra1
We have to solve: 2^3x=2^(-x+28) 2^3x = 2^(-x + 28) we have an equal base on...
Answered a Question in Calculus
We have to find the derivative of y=(x-1)^2+2(x-1)(x+2)+(x+2)^2 Using the product...
Answered a Question in Calculus
We have to find the value of lim x--> 1[ (x^2+11x-12)/(x-1)]. As substituting x...
Answered a Question in Economics
The European Union is more than just a trade bloc. A trade bloc is created to make...
Answered a Question in Science
Potassium - 37 decays by positron emission to form the unstable argon - 37. And...
Answered a Question in Biochemistry
Plants need three macro-nutrients for their growth. These are nitrogen, phosphorus...
Answered a Question in Physics
When a pressure is applied on a fluid, which can be either a liquid or a gas, the...
Answered a Question in Science
The transfer of force by the application of liquids is known as hydraulics, while...
Answered a Question in Math
We have to find the integral of x*(sec x^2)^2 Let u = x^2 du/dx = 2x...
Answered a Question in Math
For the function f(x) = (1/2)*x^2 - 5xy as there are two variables x and y, the...
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