Show that if A is an upper triangul:1r or a lower

Conceptual Physics 12
Problem 19RQ According to the parallelogram rule, what quantity is represented by the diagonal of a constructed parallelogram?

Probability and Statistical Inference 9
A random sample X1, X2, ... , Xn of size n is taken from a Poisson distribution with a mean of , 0 << . (a) Show that the maximum likelihood estimator for is 6 = X. (b) Let X equal the number of flaws per 100 feet of a used computer tape. Assume that X has a Poisson distribution with a mean of . If

Chemistry: The Molecular Nature of Matter and Change 5
The mineral galena is composed of lead(II) sulfide and has an average density of 7.46 g/cm3. (a) How many moles of lead(II) sulfide are in 1.00 ft3 of galena? (b) How many lead atoms are in 1.00 dm3 of galena?

Krugman's Economics for AP® (High School) 2
Suppose the economy begins in long-run macroeconomic equilibrium. What is the long-run effect on the aggregate price level of a 5% increase in the money supply? Explain.

Macroeconomics 22nd
Explain the law of supply. Why does the supply curve slope upward? How is the market supply curve derived from the sup- ply curves of individual producers?

Urban Economics 8
Households in Metro differ in their demand for public schools: Half are low demanders (L ) and half are high demanders ( H ). In addition, houses differ in value: Half are expensive (E ) and half are cheap ( C ). The location choices of households are based on property taxes and spending on public sc

Chemistry 13
The ground-state electron configurations listed here are incorrect. Explain what mistakes have been made in each and write the correct electron configurations. Al:\(1s^2 2s^2 2p^4 3s^2 3p^3\) B: \(1s^2 2s^2 2p^5\) F: \(1s^2 2s^2 2p^6\)

Principles of Economics 9
You consume only soda and pizza. One day, the price of soda goes up, the price of pizza goes down, and you are just as happy as you were before the price changes. a. Illustrate this situation on a graph. b. How does your consumption of the two goods change? How does your response depend on income and