embizze
embizze
Male
August 27, 2011
Teacher
High School - 12th Grade
Mathematics Gardening Sci-fi and fantasy
Biography
Graduated Murphysboro HS 1984 Graduated SIU-C with BS mathematics 1990 Graduated EIU with MA mathematics 2009 20 years retail management 8 years teaching HS and MS 1 year teaching community college
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Answered a Question in Math
As with simplifying numerical fractions, the key is to factor numerator and...
Answered a Question in Math
We are given that y varies jointly with x and w and inversely with `z^3` ; also...
Answered a Question in Math
First note that points on a parabola have mirror points across the axis of...
Answered a Question in Math
(1) Let AD=x. Then the area of triangle ADF can be found using the formula...
Answered a Question in Math
There are `2pi` radians in `360^@` . (Imagine a circle of radius 1. The...
Answered a Question in Math
Solve `(dy)/(dx)=8x^2y^2` with the initial condition y(2)=3: This is separable so...
Answered a Question in Math
Simplify `(x+5)/(x^2+7x+12)+(x^2+8x+15)/(x^2+4x+3)` : To add rational expressions,...
Answered a Question in Math
You need to use the law of cosines to evaluate how far apart are the cars, such...
Answered a Question in Math
Solve `-10<-2+8x<22` : `-10<-2+8x<22` Add 2 to all three sections:...
Answered a Question in Math
Simplify the expression `(2^(-1)+2^(-3))(8^(1/3))` : A property of exponents is...
Answered a Question in Math
Graph `y=1/(x+3)+3` , give the domain and range, and compare to
Answered a Question in Math
Solve `sinx+sqrt(3)cosx=0` : Wih some algebraic manipulation...
Answered a Question in Math
Solve `(1/2x+3)^2+6=19` : `(1/2x+3)^2+6=19` `(1/2x+3)^2=13` Take the square...
Answered a Question in Math
The same rules apply in both cases: to multiply fractions or rational expressions...
Answered a Question in Math
We have two right triangles that share a leg. The length of the leg is 46 feet....
Answered a Question in Math
The line creates two triangles: one from x=0 to 2 and the other from x=2 to 3...
Answered a Question in Math
Given the formula `h=-16t^2+vt+s` ; s=100 (the initial height), v=32 (the initial...
Answered a Question in Math
(1) Factor the difference of two squares: `a^2-b^2=(a+b)(a-b)` Note that when...
Answered a Question in Math
Solve `x^2-10=0` : (To solve means to find the values that make the function zero...
Answered a Question in Math
Answered a Question in Math
Simplify `x^(2k+1)/(x^k)` : Use the property of exponents `a^m/a^n=a^(m-n)` ...
Answered a Question in Math
The height of the object at time t is given by: `h=-16t^2+vt+s` We are given...
Answered a Question in Math
(1) Simplify `(-216)^(-2/3)` Rewrite as `1/(-216)^(2/3)` using `a^(-b)=1/a^b` ...
Answered a Question in Math
(1) `125s^6+8g^3` recognize as the sum of cubes: `a^3+b^3=(a+b)(a^2-ab+b^2)`...
Answered a Question in Math
We proceed by induction: (1) The base case n=1: f(4)=3=2+1=2f(2)+f(1) checks (2)...
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