March 27, 2015

Posts by Erin

Total # Posts: 617

How would you rewrite the equation y = 3x+1 as a function of x. Hmmm. It is written now as a function of x. Do you mean like this, where x is a function of y? x= 1/3 y -1 ? Could this be a trick question? I thought It was already a function of x? Thanks for your help!
May 6, 2007

Given f(x) = -5x-1, find f(a-1). Would this be -5a+5-1? Yes, you have it. What grade are you in?
May 6, 2007

Physics 12
What is the gtravitational potential energy of a 2.00e3 kg staellite that is in an orbit that has a radius of 9.90e6 m around the earth? Use gravitational potential energy=0 at r=‡ (answer=-2.01e11J) What is the work done against gravity on the satellite in the ...
April 16, 2007

March 30, 2007

Animal Art
1. Which of the following statements regarding the use of pastels with other mediums is true? A. Pastels should never be used for accents in a watercolor painting. B. An artist can effectively add charcoal over a pastel rendering. C. Pastel tends to deaden the appearance of ...
March 27, 2007

Social studies/ history
what is the importance of ancient empire
March 20, 2007

science - controlled experiment
read the whole thing jesus
December 13, 2006

First you solve for I (vant hoff factor) in the freezing point eqn. You are provided molality, delta fp and can get the kf from a textbook (hint since its aqueous, use value for h2o). Next, take this I value and plug it into the boiling point eqn with the given molality and ...
December 5, 2006

When all parts of a circuit are composed of conducting materials, the circuit is said to be? closed? Complete? Better than the alternative? when an electric current flows through along conductor, each free electron moves: when an electric current flows through along conductor...
December 3, 2006

How does osmosis explain the fact that a watery syrup forms when you put sugar on strawberries? The addition of sugar to the outside of the strawberry makes a solution that is more concentration outside the strawberry than inside the fruit. Water moves from inside to the ...
November 29, 2006

beverly, chris, pat, and sandy are andy's mother, father, sister, and brother. Sandy, who is the oldest, is not andy's father. beverly is older than pat and chris. pat is not andy's sister. what is each persons relation to andy? Why can nationalism be a unifying ...
November 28, 2006

How does photosynthesis work? wikipedia has stuff type photosynthesis in google! or type this in google "how stuff works photosynthesis" Well,basically just go to google and search it up!LOL! Go search it on Google!
November 5, 2006

suppose you want to take a karate class. the first class is january 16th. the class meets every week for 6 weekswhats the date of the last class? Start at 1/16 and add 7 days six times to get 1/23, 1/30, 2/6, 2/13, 2/20 Find the sum the each letter stands for in the problem ...
October 18, 2006

This might help: You already know how to find the equation for the normal line is y=-x+2. Plug this equation into the original equation of the curve in place of y: x^2+(2x)(-x+2)-(3)(-x+2)^2=0 x^2-2x^2+4x-3x^2+12x-12=0 -4x^2+16x-12=0 (-4)(x^2-4x+3)=0 x^2-4x+3=0 (x-1)(x-3)=0 ...
October 15, 2006

What are my transactions for Paid Freight on April 18 purchase $100?
October 13, 2006

Managerial Econ
given the demand function Q=9-.5P how can you figure out the optimal price if the objective of the firm is to mazimize revenues?? PLEASE HELP more a calclus question with an economics application. First, set the equation for total revenue TR. TR is simply price times quantity...
September 20, 2006

Parsing Nouns
Can anyone explain this in simple terms... ? See we are parsing nouns and we have sentences like this: Lindsay's guests from Barrie had arrived by train. For each noun we need to give the class, the gender, the person, the number, the case and its relationship. I'm ...
July 5, 2006

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