# Posts by lizzy

Total # Posts: 215

final problem for checking
x^3-x^2-6x greater than or equal to 0 x(x-3)(x+2)greater than or equal to 0 I figured that I have to factor first. Where do I go from here?

need an answer checked - algebra
Given a quadratic equation y = ax^2 + bx + c, (i) What is the effect of changing the value of the number c on the parabola? In other word, if two parabolas have the same coefficients a, and b, but different values for c, how will their graphs differ? My answer: If you have ...

need an answer checked - algebra
Given a quadratic equation y = ax^2 + bx + c, (i) What is the effect of changing the value of the number c on the parabola? In other word, if two parabolas have the same coefficients a, and b, but different values for c, how will their graphs differ? My answer: If you have ...

algebra function
Area of a window. A window is in the shape of a square of side s, with a semicircle of diameter s above it. Write a function that expresses the total area of the window as a function of s.

relation or function? x^2 = 1 + y^2 This is a function because relations cannot be an equation right?

Algebra
Find two positive real numbers that differ by 1 and have a product of 1.

math
I'd

SCIENCE
WHY IS THE SKY BLACK AT NIGHT?

Math
X = 200

math
1. COMBINE THE FRACTIONS ON TOP 2. COMBINE THE FRACTIONS ON BOTTOM BY COMBINE I MEAN ADD THEM TOGETHER THEN YOU WILL HAVE A FRACTION OVER A FRACTION TAKE THE BOTTOM FRACTION TURN IT UPSIDE DOWN AND MULTIPLY THE TOP FRACTION BY THE UPSIDE VERSION OF THE BOTTOM

Algebra
1. SUBTRACT 6x FROM BOTH SIDES X^2 - 6x = 0 2. NOW FACTOR OUT AN 'X' X(X - 6) = 0 3. SO X = 0 OR 6

u.s. history
what were the similarities and differences of the reform movements of the early 1800??? This site may help you find the similarities and differences. http://home.earthlink.net/~gfeldmeth/lec.reform.html This is a general overview of reform. http://www.sparknotes.com/testprep/...

Biology
What are code pieces of nucleic acids? (this is for a crossword puzzle and strangely polypeptides does not fit!) the spaces are: _ _ _ _ e _ _ _ _ _ _ What are the varients of a gene? (it's not diversity like I thought it should be) the spaces are _ i _ _ _ _ _ What are ...

math
what is an inequality? http://en.wikipedia.org/wiki/Inequality

spelling
hkk

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