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
We have to solve: 6 - 5*|x+2| >= -4 6 - 5*|x+2| >= -4 subtract 6 from both...
Answered a Question in Math
We have to find the second derivative of y = -cos x*ln(sec x + tan x) We use the...
Answered a Question in Math
The woman is x years old. As her brother is 4 years older than her, his age is x +...
Answered a Question in Math
We have to simplify: (sin(x-pi))/(cos (pi+x)) - (cos (pi/2-x))/(sin(-pi-x)) We use...
Answered a Question in Math
We need to verify that (sec x)^4 - (sec x)^2 = (tan x)^4 + (tan x)^2. We know that...
Answered a Question in Math
We need to find the number of values in the set of numbers from 0 to 999 which are...
Answered a Question in Math
We have to solve log(16) ( 2x - 3) = log(4) ( x + 2) for x. log(16) ( 2x - 3) =...
Answered a Question in Math
We are given that the log to the base x of 2 is -1/8. And we need to determine x....
Answered a Question in Math
log(10) 5 which is the logarithm to the base 10 of 5 can be written in terms of...
Answered a Question in Math
The cost of producing x items per day is given by y = 12 + 3x + x^2. Each item can...
Answered a Question in Math
Rotational symmetry of a figure refers to the property that the figure appears the...
Answered a Question in Math
A linear function is one that has the form f(x) = ax + b. Here for each value of x...
Answered a Question in Biology
Sickle cell anemia is caused due the production of abnormal hemoglobin proteins by...
Answered a Question in Math
We have to solve: 2 - 2 sin x = (cos x)^2 for -pi < x < +pi 2 - 2 sin x =...
Answered a Question in Math
We have to prove that tan(x + pi/4) = (cos x + sin x)/(cos x - sin x) We know that...
Answered a Question in Math
We have to find the integral of 1/(x-1) dx + 1/(x-1)^2 dx - 2/(2x+3) dx. Int [...
Answered a Question in Business
China has been able to utilize its ability to be a low-cost producer to grow into...
Answered a Question in History
If you were to call the effects of any kind of imperialism as positive, it would...
Answered a Question in Math
If you can't find your calculator you should surely be able to multiply the two...
Answered a Question in Math
The general equation of a circle is (x- a)^2 + (y - b)^2 = r^2, where (a,b) is the...
Answered a Question in Math
The axis of the parabola is parallel to Oy. The equation of the parabola is of the...
Answered a Question in Math
The general equation of a parabola with an axis parallel to Ox is (y - y0)^2 =...
Answered a Question in Business
In addition to political risks, international business also presents many other...
Answered a Question in Math
Let the number we have to find be N. The sum of the number and its reciprocal is...
Answered a Question in Math
The three angles of a triangle add up to 180 degrees or pi radians. The problem...
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