math question, Algebra

The Timbuktu post office has only 3 cents and 7 cents stamps having run out of all other denominations. What are the six amounts of postage that cannot be created? How do you know there are only 6

Posted Date: 3/7/2013 6:56:45 PM | Location : Canada







Related Discussions:- math question, Assignment Help, Ask Question on math question, Get Answer, Expert's Help, math question Discussions

Write discussion on math question
Your posts are moderated
Related Questions
Methods of elimination Example 1 Solve out the given system of equations. x - 2 y + 3z = 7 2 x + y + z = 4 -3x + 2 y - 2 z = -10 Solution We will try and find

Synthetic division table In a synthetic division table perform the multiplications in our head & drop the middle row only writing down the third row and as we will be going thr

In this section we are going to look at equations which are called quadratic in form or reducible to quadratic in form . What it means is that we will be looking at equations th

The integral arises in probability theory. (a) Consult the library or Internet to find how this integral relates to the calculationof a probability using the Normal dist


Example: We are investing $100,000 in an account that earns interest at a rate of 7.5% for 54 months.  Find out how much money will be in the account if, (a) Interest is comp


write the following function x^2-2x-1 in the form of y=a(x-h)^2+k

Give all solutions of the nonlinear system of equations including those with nonreal complex compents: xy=-20 3x+5y=5

approximate pi to the nearest one thousandths1