Prove that if n is a positive integer, then n is odd if

Elementary Statistics 12
Problem 9RE Marijuana Survey Identify the type of sampling (random, systematic, convenience, stratified, cluster) used when a sample of the 1500 survey responses is obtained as described. Then determine whether the sampling scheme is likely to result in a sample that is representative of the popula

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics 3
If An artist friend of yours needs help hanging a 500 lb sculpture from the ceiling. For artistic reasons, she wants to use just two ropes. One will be \(30^{\circ}\)from vertical, the other \(60^{\circ}\). She needs you to determine the smallest diameter rope that can safely support this expensive p

Chemistry 11
Calculate the mass of each of the following: (a) a sphere of gold with a radius of 10.0 cm [the volume of a sphere with a radius r is \(V=(4 / 3) \pi r^{3}\); the density of gold = \(19.3\mathrm{\ g}/\mathrm{cm}^3\)], (b) a cube of platinum of edge length 0.040 mm (the density of platinum = \(21.4\ma

Anatomy & Physiology 1
Which element is important in directly triggering contraction? a. sodium (Na+ ) b. calcium (Ca++) c. potassium (K+ ) d. chloride (Cl)

Anatomy & Physiology 1
Which of the formed elements arise from myeloid stem cells? a. B cells b. natural killer cells c. platelets d. all of the above

Campbell Biology: Concepts & Connections 7
Sensory receptors convert stimulus energy to action potentials. Sensory receptors are specialized cells that detect stimuli. Sensory transduction converts stimulus energy to receptor potentials, which trigger action potentials that are transmitted to the brain. Action potential frequency reflects sti

The Economics of Money, Banking and Financial Markets 12th
Why does the free-rider problem occur in the debt market?

Human Heredity: Principles and Issues 11
What is the function of DNA polymerase? a. It degrades DNA in cells. b. It adds RNA nucleotides to a new strand. c. It coils DNA around histones to form chromosomes. d. It adds DNA nucleotides to a replicating strand. e. None of these.