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Section 7. Exercises 52, 72, 78 Solve each system by substitution. Determine whether the equations are independent, dependent, or inconsistent. X - Y...
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Use De Moivre's Theorem to find the indicated power of the complex number.
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Analyze the graph of the polar curve. r = 5 + 5 sin theta The curve is a ___ with maximum r-value __. The curve is symmetric about which axis?
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You observe a plane approaching overhead and assume that its speed is 500 miles per hour. The angle of elevation of the plane is 18 at one time and...
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A comet following a hyperbolic path about the Sun has a perihelion of 160 Gm. When the line from the comet to the Sun is perpendicular to the focal...
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If possible, solve the system of equations. Use any method. 5x+8y=27 4x+7y=27 A.The solution to the system is nothing . (Type a ordered pair.There is...
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Use system of equations for the problem: Kathy has two cats, Miso and Nori. Together they weigh 18 lbs. Miso's weight is 3 lbs more thsn half of
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A 28-year-old man pays $240 for a one-year life insurance policy with coverage of $90,000. If the probability that he will live through the year is 0....
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Determine axis rotation formulas for x and y that will transform the quadratic equation to an equation in (u,v) coordinates with no cross-product...
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A company has found the monthly demand for one of its products varies inversely with the price. When the price is $12.75, the demand is 12,500 units....
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19. (6 pts) The sales decay for a product is given by S = 40,000e-0.2x Where x is the number of weeks that have passed since the end of an
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Part II -Write your final answers in the blanks provided. Show all work to receive full credit. No work = no credit. (8 pts) A soft drink...
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Which of the following statements best describes the graph of x + y = 2?
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The Gini Index, named after Corrado Gini (1912), is used to measure the distribution of income among a country's citizens. It is based on the Lorenz...
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If sin x = 5/13 and tan x 0, find the exact value of sin x /3. If cos x = 24/25 and sin x 0, find the exact value of cos x + 5/6.
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prove that a set S is infinite if and only if there is a proper subset A of S and a ibjection between A and S
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Pick out the conclusion Punishment, when speedy and specific, may suppress undesirable behavior, but it cannot teach or encourage desirable...
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What is the complete set of numbers for which f( x ) = x 3 + 2 x 2 - x is concave?
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An educator claims that the average salary of substitute teachers in school districts of a small city, Texas, is less than $60.0 per day.
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1. Use logarithms to solve the given equation. (Round the answer to four decimal places.) HINT [See Example 1.] 3 ( 1.07 3 x + 1 ) = 14 x =?
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Part 1 and Part 2 must be at least 150 - 200 words unless otherwisePart 1: Statistical Testing There are strengths and weaknesses associated with statistical testing. For this discussion, begin by re
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Question 1 (cos + cos )^2+ (cos + cos )^2 A.sin^2 B.8cos^2 D.cos^2 Question 2 A group of people were given a personality test to determine if they...
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One video summary assignment, and a worksheet. Go to www.cnbc.com and explore the video tab using the key term diversification. As you learned, there are various sources of information. Watch at least
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Q3). Use logical equivalences (listed below) to answer the following questions (clearly indicate which law you use in each step). a) Is (p q)
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A ball is thrown upward from the top of a building 210 feet tall.
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A brownie recipe calls for butter, sugar, cocoa powder in the ratio 3: If you use 9 cups of sugar:
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Abby Mia wants to know how much must be deposited in her local bank today so that she will receive yearly payments of $18,000 for 20 years at a...
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Find and give a rough sketch of the solution to dx/dt = -x + 3; x(0) = 5
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-22, -19, -16, -13, . a =-25(3)' b. a =-25+3 C. a = 3n - 25 d. a = 3n - 16 69. Find the sum of the first 18 terms of the arithmetic sequence, if the...
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l. The solution to 0 lt; (x + 144)(x + 67) is A '7?u1 B '_""_:.,*X C lt;_1g,~ D '_:u;,gt;x Use the following graph to answer question 2, y
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Find the arc length of the gmph of the function over the lndlcated Interval. (Round your answer to ve decimal places.) y - I "x ' 1), [ln(4),
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A moving company charges a flat rate of $120, and an additional $7.5 for each box. a) If a taxi service would charge $15.
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A leaky bucket that weighs 4 lb and a rope of neglible weight are used to draw water from a well that is 917 ft deep.
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Please help with this Gauss Elimination using these equations x - 2y + z = -4 y + -2z = 0 2x + 4y + -3z = 3 I realized that for this specific one has...
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A medical test has a probability of .005 of having a negative test when it is given to people who actually have the illness the test was designed to...
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Consumers demand 533 units of a product when the price is $13.60 per unit and 280 units when the price is $18.75. If demand is linear what is the
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How can the power series method be used to solve the nonhomogeneous equation, y x y = 1 about the ordinary point x = 0 ?
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You want to estimate the mean weight of quarters in circulation. A sample of 40 quarters has a mean weight of 5.655 grams and a standard deviation of...
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A radar gun was used to record the speed of a runner (in meters per second) during selected times in the first 2 seconds of a race. Use a trapezoidal...
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2. A d-regular graph is a simple, undirected graph in which every vertex has degree d. (a) Draw a 3-regular graph with 5 vertices, or prove why it is...
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Given a graph G = (V, E) and E' g E. Let s,t E V. Suppose we want to check if there exists a path in G that starts at s and ends at t and contains...
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Hello. I am respectfully requesting assistance with the following question: Please show all work following standard mathematical practice: 1} Each...
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In Exercises 1 - 10, use the pair of functions f and g to find the following values if they exist. (f + g)(2) (f g)(1) (g f)(1) (fg) (1/2) (f/g) (0)...
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Examine the connection between the exponential and logarithmic forms to your problem.
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Ecet 350 homework 3 6.21 for the difference equations a. y(n)= 0.5x(n) + 0.5x(n-1) b. y(n) = 0.5x(n) +-0.5x(n-1)c. y(n) = 0.5x(n) + 0.5x(n-2) d....
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) One of the graphs below represents 1' and the other is f'. Identify each, and provide a sketch of f(x). Explain your reasoning.
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Redwood Growth The growth,f(x),in inches per year of a redwood tree less than 30 years old is given by the functionf(x)=0.02x2 2 +x+1, wherex...
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) Use the grid and the descriptions below to graph the f ()0 lt;0, for all x other than 3. function described. Explain what each of these...
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You are asked to build an open cylindrical can (i.e. no top) that will hold 665.5 cubic inches. To do this, you will cut its bottom From a square of
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Part A. Questions about non-parametric proceduresWhat are the most common reasons you would select a non-parametric test over the parametric alternative? Discuss the issue of statistical power in non