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 x-intercepts of the curve y = -x^2 + 3x + 18, the value of y = 0. So we get...
Answered a Question in Math
We have to find k for x^2 + kx - 6 = (x-2)(x+3) x^2 + kx - 6 = (x-2)(x+3) =>...
Answered a Question in Math
We have to solve 2^(3x - 1) = 16 for x. 2^(3x - 1) = 16 => 2^(3x - 1) =...
Answered a Question in Math
The solutions of f(x) = 0 are -2, 0 and 3. So we can write f(x) = (x + 2)( x -...
Answered a Question in Math
We have log(x) (1/8) = -3/2. We have to determine x. log(x) (1/8) = -3/2 =>...
Answered a Question in Math
The sum of the first and third of three consecutive odd numbers is 131 less than 3...
Answered a Question in Math
The sum of an odd number and twice its consecutive is equal to 3757. Let the...
Answered a Question in Math
The sum of three consecutive even number is 84. Let the number be 2*n , 2*n + 2...
Answered a Question in Math
The sum of three consecutive numbers is 366. Let the numbers be n , n + 1 and n +...
Answered a Question in Math
The sum of two consecutive numbers s given as 129. Let the numbers be n and n + 1...
Answered a Question in Science
The ideal gas law gives the relation P*V = n*R*T, where P is the pressure of the...
Answered a Question in Math
We have the function f(x) = (1/2)*x^2 - x^(1/2) - 3*x^0 To find f(4), we...
Answered a Question in Math
We need to find the sum S = 1 / (cos 15)^2 + 1 / ( sin 15)^2. I assume 15 is in...
Answered a Question in Math
In the xz plane, the value of y is y = 0. We have to find the line of intersection...
Answered a Question in Math
You are only allowed to ask one question at a time. I am responding to your first...
Answered a Question in Math
To find the area between the curves, we first need to determine their points of...
Answered a Question in Math
At the stationary points of any function f the derivative f' = 0. Here...
Answered a Question in Science
According to Avogadro's Law, equal volumes of different gases at the same...
Answered a Question in Math
The required ploynomial has a highest degree of 3. When it is divided by (x + 2)...
Answered a Question in Math
We have to find the integral of y = (sin x)^3 (sin x)^3 = (sin x)^2 * sin x...
Answered a Question in Math
We have f(x) = (1/2)x^2-x^(1/2)-3x f(4) = (1/2)*4^2 - 4^(1/2) - 3*4 =>...
Answered a Question in Calculus
We need to find the value of lim x--> pi/4 [sin x/(1- 2*(sin x)^2) - cos...
Answered a Question in Math
We have to find lim n-->inf.[2^2+4^2+6^2+...+(2n-2)^2]/n^3...
Answered a Question in eNotes Editors Group
Oops, didn't see this post. I'm been trying to do the same for a while using the...
Answered a Question in eNotes Editors Group
40%? That's truly a lot. The tax rates in different countries vary, and I guess...
Badges
Fan of these educators:
eNotes Employee, Expert, Instructor, Scribe, Whitman, Poe, Dickens, The Bard, Churchill, Einstein
225,358 points
142 Friends
See All »eNotes Employee, Expert, Instructor, Scribe, Whitman, Poe, Dickens, The Bard, Churchill, Einstein
225,358 points
Following 74 Topics
See All »2 others following
13 others following
7 others following
3 others following
25 others following
2 others following
11 others following
3 others following
132 others following
3 others following











