Archive for the ‘composite properties’ Category

simple Pure Mathematics proofs: left and right inverse of composite functions help?

Monday, March 1st, 2010

Let f : A -> B and g : B -> C be two functions. a) Prove that if g ○ f has a left inverse, then f has a left inverse. b) Prove that if g ○ f has a right inverse, then g has a right inverse. I have spent about ...

Numbers p^q or p^q ±r, where p,q are distinct primes?

Sunday, February 21st, 2010

What properties do the numbers p^q or the numbers p^q ±r, where p,q are distinct primes, have? Do these things have a name? (r could be prime or composite.) p^q is obviously composite; p^q ±r might or might not be prime The subcase p=2 is pretty well studied, and in particular the subcase p=2, q=some prime, ...

Math help please….?

Friday, February 19th, 2010

1.Write the prime factorization of the following number. 140 2.A prime number has more than 2 factors. True False 3.Convert the following value to scientific notation. 3,245,000 4.Find the greatest common factor (GCF) for each of the following set of numbers: 15, 20 and 40 5.Solve the following equations ...

Chalanging Trig Problem?

Wednesday, February 17th, 2010

The composite argument properties have sums of two angles or arcs. Similar properties for sums of three angles can be derived by first associating two of the angles. Write the expression in terms of SinA, sinB, SinC, cosA, cosB, and cosC. sin (A + B + C) Please help I need ...

Here is a question I asked in the Science section and a response that I liked the best. Agree or disagree?

Monday, February 15th, 2010

My question: Isn't the Universe and Nature the same thing? If so, then isn't Nature and Reality the same, also? Answer from David S.: "Why does existence exist? Because no alternative was ever possible. Why does the universe exist? Alternatives were possible. Therefore, existence and the universe are not the same concepts. The ...

which home loan is best in current scenario? hdfc, sbi or axis?

Saturday, February 13th, 2010

seeking a home loan for 30 Lacs for 20 years for composite home loan in bangalore , also how can i get checked the property papers from bank? SBI. Always go for Nationalised Banks. There are less/nil hidden charges compared to the private banks. Good Luck.

Elementary education major help!?

Saturday, February 13th, 2010

Does anyone else ever feel NOT VERY confident with math curriculum for elementary education? I know, I know math for the elementary child is easy and is addition, subtraction, multiplication, division but there are so many other aspects of a math for 1-6 grades. I have always grasped math ...

The Collapse of the Twin Towers Part III: Can the Conspiracy Theorists debunk this?

Thursday, February 11th, 2010

The two major factors in the collapse itself were the fires and the lack of fire proofing around the trusses and some columns. With fire proofing, the steel was rated for 2 hours of continuous fire. Without it, that time is cut dramatically. Construction.com The below test results are used by ...

Science Material Category?

Monday, February 8th, 2010

What properties of polymer materials distinguish it from metals, ceramics and glass, and composites? To be exact, what causes objects to be considered as a polymer? Also, what is the difference between a composite and an alloy? A polymer is a long chain of hydrocarbons (generally). Metals, Ceramics, ...

Math help please, soon if possible?

Saturday, February 6th, 2010

1. A number that has more than 2 factors is called A) a prime number B) a constant C) a composite number D) a coefficient 2. Write the prime factorization for each of the following numbers. A. 160 B. 306 _______ 3. Solve the following equations using the Addition or Subtraction Properties of Equality. Show your work ...