OC userin Statistics·12 Dec 20172.2 ( 10 points) Given the points A(1,1,1), B(2,3,5), C(4,2,3), D(3,4,2) (a) Show that A, B, C, D are not coplanar (ie do not lie in a common plane).
OC userin Economics·14 Dec 201732. Compared to competitive firms, the demand curve for the monopolist will be a. as elastic. b. more elastic. c. less elastic. d. perfectly elastic. e. perfectly inelastic.
OC userin Economics·13 Dec 201724. Suppose the Lethbridge Computer Company decides to increase the quantity of computers it sells by 6 percent. If the price elasticity of demand is 3.5, the company must A) raise the price of a computer by 1.714 percent. B) raise the price of a computer by 0.21 percent. C) lower the price of a computer by 0.21 percent. D) lower the price of a computer by 0.58 percent. E) lower the price of a computer by 1.714 percent.
OC userin Chemistry·12 Dec 201710. Find the pH of a buffer prepared by mixing 200.0 mL of 0.200 M NaCN with 400.0 mL of 0.150 M HCN. K. (HCN) 4,00 x 10-10 [3 marks]
OC userin Accounting·11 Dec 2017EXERCISE 12-10 Make or Buy a Component [LO12-3] For many years Futura Company has purchased the starters that it installs in its standard line of farm tractors. Due to a reduction in output, the company has idle capacity that could be used to produce the starters. The chief engineer has recommended against this move, however, pointing out that the cost to produce the starters would be greater than the current $8.40 per unit purchase price: Per Unit Total Direct materials ................ Direct labor ........... ...... Supervision .......... Depreciation ......... Variable manufacturing overhead ... Rent ......... Total production cost ........... $3.10 2.70 1.50 1.00 0.60 0.30 $9.20 $60,000 $40,000 $12,000 A supervisor would have to be hired to oversee production of the starters. However, the company has sufficient idle tools and machinery that no new equipment would have to be purchased. The rent charge above is based on space utilized in the plant. The total rent on the plant is $80.000 per period. Depreciation is due to obsolescence rather than wear and tear. Required: Prepare computations showing how much profits will increase or decrease as a result of making the starters.
OC userin Economics·12 Dec 201723. By the phrase "invisible hand”, Adam Smith was expressing the idea that a. there are no economic conflicts among nations. b. there would be no economic conflicts among nations if countries would eliminate tariffs. c. legal and political systems often influence market outcomes. d. business executives have a natural interest in keeping prices down and preventing inflation. e. by pursuing their own self interests, people frequently promote the interests of society.
OC userin Economics·12 Dec 2017The diagram below shows two production possibilities boundaries for Country X. PPB2 A PPB Capital Goods Consumer Goods FIGURE 1-3 38) Refer to Figure 1-3, and assume the country faces PPB). At point B, A) the price of capital goods is higher than the price of consumption goods. B) Country X is producing too many consumption goods and too few capital goods. C) the price of consumption goods is equal to the price of capital goods. D) the opportunity cost of producing an extra unit of capital goods is higher than at point A. E) the opportunity cost of producing an extra unit of consumption goods is higher than at point A.
OC userin Economics·11 Dec 201715 Hamburger and French fries (deep fried potatoes) are complementary goods in consumption. Suppose that the price for potatoes increases after a change in supply for potatoes in the potato market. Given this we would expect that the equilibrium price of hamburgers will and the equilibrium quantity of hamburgers will A. increase increase B. decrease; increase C. decrease; decrease D. not change; increase E. increase; decrease
OC userin Economics·11 Dec 2017Use the figure below to answer the following questions. Price dollars per unit S + fox 0 100 200 300 400 500 Quantity (units Figure 6.3.2 27) Refer to Figure 6.3.2. The amount of the tax per unit is A) $1.00. B) $2.00 C) $0.50. D) $1.50 E) zero.
OC userin Mathematics·12 Dec 20179. Let f(0) = 2.1 + cos.r. [3] (a) Using appropriate theorems, prove that f(1) = 0 for some r in the interval [-/2,0). [3] (b) Show that f(0) = 0 has exactly one solution. [3] (c) If g is the inverse function of f, find g(n) and g'().
OC userin Mathematics·11 Dec 2017PROBLEM 07: A contest winner gets to pick their prize by selecting three DVD's from a list of 10 different DVDs. How many different prizes are possible? A) 120 B) 720 C) 30 D) 6 E) none of the above
OC userin Economics·11 Dec 201772) Once the market has adjusted to a new long run equilibrium with the new demand curve, the number of firms will be: A) 10. B) 80. C) 90. D) 100. E) 1000.