Numerade

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A 25 percent decrease in the price causes a 20 percent increase in the quantity demanded. What is the degree of elasticity? O a revenue will increase O b there will be no change O c revenue will decrease O d profit will increase

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A local food stand charges full price for the first pizza but offers a 40 % discount on a second pizza. This pricing strategy works because compared to the first pizza, consumers get more utility from the second pizza.

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Question 30 A tariff is a tax levied on a particular foreign product entering a country. O True O False

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Determine whether the planes are parallel, orthogonal, or neither. 7x - 5y + z = 3 x + 3y + 8z = 1 parallel orthogonal neither Find the angle between the planes. (If an answer does not exist, enter DNE.) Find an equation of the plane that passes through the given point and is perpendicular to the given vector or line. Point Perpendicular to (4, 6, -7) n = j

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Consider a basketball player who is practicing their three-point shot. Each shot will be successful with probability 0.3, with each shot independent of the others. Let X count the number of successful shots when the player shoots the ball five times. Compute P(X = 1 | X ≤ 1).

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Four-way Traffic Light State North-South East-West Delay (unit) 0 Red Red 3 1 Green Red 20 2 Yellow Red 5 3 Red Red 3 4 Red Green 10 5 Red Yellow 5

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1. Write a 68000 assembly program to multiply an 8-bit unsigned number in bits 16-23 of D1 by an 8-bit signed number in the lowest byte of D1. Store the result in D2. Do not use any shift or rotate instructions.

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9 P1 Q1 Q2 P2 For the pump shown below find the head pump (p1= 200kpa, p3= 150kpa, p3=100kpa),\n($\Delta$z=22cm), (mass flow rate 4kg/s) its total efficiency is (0.7), (mechanical machine $\eta$ = 0.85)\n(W=2500rpm) (parallel pump): *\n(2 Points) 15.6m 10.4m 5.1m None of the above

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28. (20 pts) The formula for converting a temperature from Fahrenheit to Celsius is given below, where F is the Fahrenheit temperature and C is the Celsius temperature: $\frac{5}{9}(F - 32)$ A. Write a function named celsius that accepts a Fahrenheit temperature as an argument. The function should return the temperature converted to Celsius. Assume the temperatures may have fractional parts (i.e. 89.5). B. Write a function called table that accepts a positive integer, n, as an argument and outputs the Fahrenheit temperatures 1 through n and their Celsius equivalents in a table with n rows (this function should call celsius). No formatting is required, except for some space between the two columns of the table C. Write a main function that asks the user for the number of rows to be included in the table, and uses the table function to output it.

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Q4. Give at least three commonest earthing methods as applied to power substations. 4 marks

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andrew f.