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 equation `6*e^(4-x)-3=21` has to be solved for x. `6*e^(4-x)-3=21` =>...
Answered a Question in Science
The pH of a solution is defined as `-log[H3O+] = log(1/[[H3O+]])` . The pOH of a...
Answered a Question in Math
The expression `(sqrt(5/4)*sqrt(27/4))/(sqrt (3/4)*1)` has to be simplified....
Answered a Question in Physics
The object is 2.3 cm tall, and 5.5 cm from a converging lens. The image is upright...
Answered a Question in Physics
When a beam of light passes from one medium to another the beam bends if the two...
Answered a Question in Physics
When a beam of light passes from one medium to another the beam bends if the two...
Answered a Question in Science
The gravitational potential energy of an object with mass m at a height h is given...
Answered a Question in Exponential Growth
It is given that a = b*c. Take the logarithm to any base B of both the sides....
Answered a Question in Math
It is given that x > 0, y > 0 and x^2+y^3>x^3+y^4. x^2+y^3>x^3+y^4...
Answered a Question in Math
The 29th term of the series beginning with -121, -108, -95, -82 has to be...
Answered a Question in Math
Ashville is located at (-3,2) and Greensboro is located at (4,8). The distance...
Answered a Question in Math
The orchard contains 62 peach trees with each tree yielding an average of 50...
Answered a Question in Math
For a general expression x^2 + bx + c, it is not certain that it can be factored...
Answered a Question in Math
It is given that `log_2(sin x) = -1` . Use the following property of logarithm...
Answered a Question in Math
The FOIL method is an acronym for first , outer, inner and last. This is a way by...
Answered a Question in Math
The differential equation `dy/dx= 8x^2y^2` has to be solved. `dy/dx= 8x^2y^2`...
Answered a Question in Math
The scale factor between two similar figures is 4 : 9. The ratio of the surface...
Answered a Question in Math
The integral `int_(-2)^2 4/(x^2+4) dx` can be determined by using the formula `int...
Answered a Question in Math
Rita stands directly below the overhead bridge that is at a height of 47 m. The...
Answered a Question in Math
Answered a Question in Math
The inverse of the function `f(x) = 1/(x - 2) + 3` has to be determined. For a...
Answered a Question in Math
The domain of a function f(x) is the set of numbers that yield a real value for...
Answered a Question in Math
Each student of the class contributed as many 5 paise = 0.05 INR as the number of...
Answered a Question in Math
A can do a piece of work in 10 days, B can do it in 20 days and C in 30 days. The...
Answered a Question in Science
Every action has an equal and opposite reaction. A body A of 100 N weight is...
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