Posts by brenda
Total # Posts: 515
When you are solving a matix equation and the determinant of your coefficient matrix is zero, how can you determine when it is a no solution versus an infinitely many solution? nvm i figured it out. you have to determine whether the system is consist or inconsistent.
May 10, 2007
I am trying to factor a 4th degree polynomial that does not have any rational roots. I need to somehow get it factored into two quadratics. Anyone know of a method to use. 3x^4 - 8x^3 - 5x^2 + 16x - 5 Two of the irrational roots are 1.135.. and 0.382.. but that won't help ...
March 9, 2007
I am trying to factor a 4th degree polynomial that does not have any rational roots. I need to somehow get it factored into two quadratics. Anyway know of a method to use. 3x^4 - 8x^3 - 5x^2 + 16x - 5
March 8, 2007
Hi my son has to do a lighthouse for a school project and it has to really light, I'm not really sure how to go about this project or what materials he will need. Can anyone offer any help Believe it or not here is a site on how to build a model lighthouse...simple ...
January 28, 2007
What is the superlative form of "often"? most often ? I'm not 100% sure but if i can remember i believe that the superlative of often is: amoftesten (the o has the two dots on top) because the comparative would be: ofter (with the o having the two dots on top) if...
January 23, 2007
U. S. History
Which event demostrated that the continental U.S. is not geographically protected from an enemy attack by the Atlantic and Pacific Oceans? The Civil War, World War I, Gulf War of 1991, or the terrorists attacks of September 11,2001 I know the Civil War and the terrorists ...
January 20, 2007
if y varies directly as x, and y is -60 when x is -5, find y when x is 3 The mass of an object varies directly as its volume. The mass of the object is 150 grams when its volume is 600 cm3. Find the mass of the object when the volume is 950 cm3
December 5, 2006
Why is the sperm of a guy thick? The sperm are not thick. Semen — the chalky to milky white, semi-viscous fluid that is ejaculated — contains sperm plus fluids from the seminal vesicles (almost 1/3 of the volume) and the prostate (about 2/3 of the volume) make up ...
November 21, 2006
division of fractions
Division of fractions is sometimes said to be multiplication of inverses. Elaborate with an explanation and example. If you have a/b divided by c/d this is the same as a/b * d/c If e.g., we have 2/3 divided by 7/9 then we have 2/3 * 9/7 = 6/7 When dividing fractions the rule ...
October 7, 2006
What is the meaning of validity, truth, and soundness as they relate to the area of logical syllogisms? Google soundness in logic Check the second entry, it should answer your question. Roger means this website: http://philosophy.lander.edu/logic/tvs.html =) Thank you for ...
September 21, 2006
Punctuating Sentences check please
with five gallons of gas. 2. because the store was closed. 3. for the seventh time. 5.since i started taking college classes. 5.she drove the car right into the garage. 6.when the garage door was closed.
August 8, 2006
In spanish, what is used to write on the key board. los dedos (fingers), if you mean typing with a keyboard If you mean "what is used to write in the keyboard" as in translating that in spanish then it is "Que es usado para escribir en el teclado?"
August 24, 2005