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Mathematics Questions and Answers February 13, 2023

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Select the correct choice below and fill in the answer boxes to choice. This Question: 3 pts 33 of 35 (0 complete) This Test: 105 pts possible Question Help The columns of Q were obtained by applying the Gram-Schmidt process to the columns of A. Find an upper triangular matrix R such that A = QR. WIN 122 - 2 -3 2 5 7 V22 A = Q= 2 - 2 - 4 - 3 JIN 4
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Find the minimized Boolean expression for the functions defined by the truth tables provided below. PPP BOOOO X POPOPOPO Z HOHOOKXXT
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Find the inverse function of f(x)= square root of x+1

subring of $ [R ] = ( Pol[R ], Q, @ ). ( Consider the set CPR introduced in Homework Problem 3 of Investigation 19 . ) Problem 8. Suppose R = ( R, +, * ) and S = ( 5, 1, * ) are rings and suppose that I is an ideal of R and \\\\ is an ideal of . Show that I X ) is an ideal of the product ring R XS
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11. Inventory in an Internal Service Fund would most likely be reflected in which of the following equity classifications? a. Nonspendable net position. b. Net investment in capital assets. c. Restricted net position. d. Unrestricted net position
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a. How many vectors are in {Bold v 1 v 1, Bold v 2 v 2, Bold v 3 v 3}? b. How many vectors are in ColA? c. Is Bold p p in ColA? Why or whynot? This Question: 3 pts 2 of 35 (1 complete) This Test: 105 pts possible Question Help Let Vi= a. How many vectors are in {v1, V2, V3}? b. How many vectors are in Col A? c. Is p in Col A? Why or why not?c. ls
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Seven women and nine men are n the faculty in the department. How many ways are there to select a committee of five members if at least one woman must be on the committee? How many ways are there to select a committee of five members if at least one woman and one manmust be on the committee? How many ways are there to select a committee of five

Find the domain of (f*g)(x) if f(x)= -2/x-1 and g(x)=5/x

How many different ways can the letters of "leggings" be arranged?

A$45,000inheritance is invested for15yr compounded quarterly and grows to$109,940. Find the interest rate. Round to the nearest percent

If N= 4 and the following observations are X1= 4; X2= 7; X3= 1, X4= 5, find the difference of the four values of Xi using summation notation.

Week 2 - ALLKS Homework Export Your answer is incorrect . Kelly family's sprinkder. The answer & not correct . Baloy family's sprinkder: The answer is not comoct. Answer submitted: Kelly marity's sprinkler: 15 hours Fallry family's sprinkler: 50 hairs Correct answer Kelly family's sprinkler: 25 hours Bailey farmly's sprinkler: 40 hours QUESTION
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Nameand the number of diagonals of a polygonof47sides. 2.The number of diagonals of a regular polygon is 65. Find perimeter of the polygon if its apothem measures 8 in.

How would i solve this? Sir Isaac Newton stated that the rate a body cools is proportional to the difference between its temperature 7(t) and the ambient surrounding temperature M. The resulting differential equation, T() = M+ (T(0) -Mje-kt (where k is the proportionality constant) is known as Newton's Law of Cooling. Problems We'll consider the
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Find the value of x . Write your answer in simplest form. 9V2 X X The value of x is
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Please help me to understand this problem If f(x) = 3e\
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d. After 18 rolls, what would be the empirical probability of getting a three on at least one of those rolls? Also, list the likelihood scale term from the table above. Percent Probability Empirical Probability (Rounded to the Nearest Whole Percent) (2 points) Likelihood Scale Term ? (2 points Show your work: (2 points) What do you notice about
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$10,000 machinery, $5,000 rent, $150 per table in materials, $2,000 in labor, and $65 per table in shipping. What is the company's cost function?

In OP, QR ST . Which statement must be true? Select all that apply. R S T A. AQRP - ASTP O B. QR - RS O C. ZOPS . ZRPT D. ARPS . ASPT O E. OR - ST
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If log 9 5 = x and log 27 6 = y, how can I find an expression in terms of x and y for log 3 1.2 ?

A bag of marbles contains 5 red, 2 blue and 8 green marbles. If you draw 2 marbles without replacement, the probability, to the nearest tenth of a percent, off drawing a green marble and then s blue marble is?%

A toy plane with a motor is thrown off a building. The height above the ground, (?) , in meters of the toy plane can be modeled by the function(?)=? 4+8?315t2+25 , where t represents the time in seconds from when the plane is released.

From Discrete Mathematics and Its Applications 7th edition by Rosen Convert the decimal expansion of each of these integers to a binary expansion. Show solution a) 321 b) 1023 c) 100632

Find mACE, mADB, mAFE, mEHD A F 84 B G 50 m H C 60'D
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which ideas about functions do you think might be most helpful to you in your day to day planning?

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How do you find the equation of a horizontal line using the function f(x)=32x^2+12x8?

Suppose that the federal debt in 2020 is $13 trillion. If interest rates remain at the 2016 level of 2.4%, find the annual interest payment on the debt. How much does the interest payment change with a 0.4-point increase in the interestrate? The interest payment increases from $______ BILLION TO _______BILLION (Round to the nearest whole number

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The product of two numbers is 10. One number is 3 more than the other number. What is the quadratic equation that models these numbers?

Determine which of the following statements are true. 1n n) 2 converges. 00 Statement A: The ratio test tells us that the series 2 TE 11,21 00 Statement B: The ratio test tells us that the series 2 % diverges. n=1 Select one alternative 0 Both StatementA and Statement B are true 0 Only Statement B is true 0 Only Statement A is true 0 Neither
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Assume you own a wood house in the country that is worth $200,000, using the * table below. what would be your annual premium to insure. Annual Prom'nun . Brick Mixed Wood . Building Contents Building Corterls Building Comerls Building Cements \"WM\" You decide you'd like to insure the contents of your brick home in the city. * Assume its value is
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Please Explain Parent Functions function to Me in an organized manner. and provide examples. Specifically explain the following function graphs and list the Graphing Form of Equation for each. Then, explain how a, h, and k impact the graph under which cirumstances the changes occur. Square Root Cubic Reciprocal Absolute Value Quadratic Exponential

Suppose Oscar and Felix share an apartment. Oscar likes to leave his dirty dishes in the sink, and this really bothers Felix. When Oscar leaves his dirty dishes in the sink, Oscar's surplus from their living arrangement is $400 per month, and Felix's surplus is $300 per month. On the other hand, when Oscar does not leave his dirty dishes in the

Given two similar triangles, one with small measurements that can be accurately determined, and the other with large measurements, but at least one is known with accuracy, can the other two measurements be deduced? Explain and give an example. The similarity of triangles gives rise to trigonometry. How could we understand that the right triangles
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1. Why is the website down? The CPU (Central Processing Unit) utilization spiked to over 100% on all servers. 2. Why is the CPU utirization that high? A new part of code contains an innite toop. 3. Why was this piece of code written? Employee A made a mistake. 4. Why did her mistake get submitted? A didn't write a test run for the teature. 5. Why
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Find a Liapunov fucntion for the system x ' = y y ' = -4x -cy where c > 0.

could you help me with explanation or proof Problem 3. (30 points) Give the space Mat2x2(RR) the inner product defined by 011 212 by 612 a21 022 621 b22 = allbl1 + a12612 + a21621 + a22622. Given a matrix A all a12 a21 022 , determine (with proof) an explicit formula for the symmetric matrix B which is closest to A in the sense of the inner product
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3. 3) Discounted Cash Flow Value of West Teleservice. Using a discounted cash flow approach, calculate the correct value for West Teleservices Inc. as of the end of 1996. Use a discount rate of 13.5 percent and a risk free rate of 5.5 percent. Assume the firm will grow at 6 percent after 2001. You will need to make additional assumptions. You will
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Create a scenario from your own experiences that can be used to model a counting question that uses the phrase 'at least' and has mutually exclusive and exhaustive categories. Provide a solution to this question by identifying the following: 1. Experiment (the activity that causes the result) 2. Determine if repetition is permitted (explain) 3.

4 need help with this BOOKMARK CHECK AI 10 The diameter of a spherical basketball is 10 inches. What is the volume of the basketball? Round to the nearest hundredun Volume
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Reciba aprobacin del trabajo por parte del profesor. Guia Proyecto Final.docx Download Guia Proyecto Final.docx Complete su proyecto final en formato de trabajo escrito, desarrollado en un procesador de palabras como Word, y en formato de presentacin en PowerPoint

In 2016 the United States had a population of about 323 million people and was growing at 0.7 %. Use an explicit exponential model to predict what year the U.S. population will reach 500 million people round to the nearest year. I did this and was wrong. Pn=Po(1+r)^n 500=323(1+.007)^n divide both sides by 323 1.547=(1.007)^n log(1.547)=nlog(1.007)

Solve for the question Classify the equation as separable, linear, exact, or none of these. Note that it is possible for the equation to have more than one classication. 5 _ x ydx + 3dy 0 Select all that apply. E] A. Exact [:1 B. Separable E] 0. Linear [:1 D. None of these Determine whether the equation is exact. If it is, then solve it. (2xy+
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Find the LCD of the rational expressions in the list 7/11, 7/3x

If there are 250 mg in 5 mls of solution, then how many mls are needed for 185 mgs
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Two dice, one labeled 1, 2, 2, 3, 3, 4 and the other labeled 1, 3, 4, 5, 6, 8, are rolled once. Use the formula for expectation to determine the expected sum of the numbers on the upward faces of the two dice.

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cmo le hago para identificar con qu tipo de funcin se relaciona el crecimiento de la poblacin y el tipo de produccin agrcola.

Find the slope m of the line. m = X 2 4 Maple Generated Plot
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1.. Compute the total cost per year of the following pair of expenses. Then complete thesentence: On an annual basis, the first set of expenses is_______% of the second set of expenses. Vern buys fifteen lottery tickets each week at a cost of $2 each and spends $700 per year on his textbooks. On an annualbasis, the money spent on lottery tickets

A rectangular picture frame has a perimeter of 3 meters. The height of the frame is2/3 times its width. Find the dimensions of the picture frame. h= w=

Wastewater from manufacturing Radioactive waste Old cell phones c. Give examples of how to reduce or prevent the following forms of waste. (1 point) Example of waste Way to reduce or prevent Plastic or paper shopping bags Plastic bags from lunches or snacks Waste from manufacturing of household goods Food scraps in garbage
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Example 2: Consider the TUnction A given by A (x) = 2x+2 for X
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Between 1860 and 1997 , carbon dioxide (CO2) concentration in the atmosphere rose from roughly 256 parts per million to 371 parts per million. Assume that this growth can be modeled with an exponential function Upper Q equals Upper Q 0 times left parenthesis 1 plus r right parenthesis Superscript t Q=Q0(1+r)t. Complete parts(a) and(b) below. a. By

Questin 7: A study was done in which the high daily temperature and the number of traffic accidents within the cit}r were recorded. These sample data are shown as follows: High Temperature Traffic Accidents {1 Point} 9] 7 56 4 T5 9 53 11 50 3 39 5 93 8 Given this data the sample correlation is: a. 41.57 b. 0.54 c. 1.54 d. 0.5
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(1 point) Determine whether the following pairs of functions are linearly independent or not. Linearly independent + 1. f(0) = 17 cos 30 and g(0) = 68 cos3 0 - 51 cos 0 Linearly dependent 2. The Wronskian of two functions is W() = f are the functions linearly independent or dependent? Linearly dependent 3. f(t) = 12 + 17t and g(1) = t2 - 17t
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Find two consecutive integers whose product is 7 less than the square of the smaller number. (Enter your answers as a comma-separated list.)

describe the four-step problem-solving process. Explain why each step is important. Create a simple problem that could be used in a classroom and demonstrate how you would use each of the four steps to solve this problem. How would you teach this process in the classroom?

Consider the hyperbolic equation with variable coefficients Du(t, x) P(x) 012 = divx (p(x)gradzu) - q(x)u (t, x) in the domain Q = {(x, t) : xen CR",t >0} with initial conditions 1 (t, 1) 10 = 4(I), du (0.2) and Boundary conditions du a(r)u (t, x) + B(x) lan = 0(0.3) Functions p(x), q(r), p(r), o(x), B(x) are smooth enough (For example: p((x) E C'
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1. How to engage students in Number fluency activities that are in elementary. 2. How to keep students attentive and engaged with the content?

5. X and Y are independent with exponential densities fx(x)=e-"u(x), fy(y)=e-'u(y). Z=X+Y and W=X/Y. (1) (a) (b) (c) (d) (2) (a) (b) (c) (d) (3) Are Z and W independent? (a) Yes. (b) No. 6. Suppose X is a continuous random variable with probability distribution a, function F(x) =1 bxInx+cx+d, Kx
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How to solve this question? 2.6.11 Use the method for solving homogeneous equations to solve the following differential equation. (17y2-xy) dx+x2 dy=0 Ignoring lost solutions, if any. the general solution is y = (Type an expression using x as the variable.) Enter your answer in the answer box and then click Check Answer. c+17|nx' X That's
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Mike invested $2000 in gold and a company working on prosthetic. Over the course of the investment, the gold earned a 1.8% annual return and the prosthetic earned 1.2%. If the total return after one year on the investment was $31.2, how much was invested in each? Assume simple interest.

Please show detailed steps for each part. The following system from Lab 3 describes lasers: N'{t) = N(t) N{t) + P{t) + 1, {1} P'(t) = P(t} + N{t) + P{t). We allow functions N{t} and P{t) to take 'nonphysical' negative values. {3.} Find the equilibrium solution. {h} Rewrite the system in terms of the new variables as) = Na} + P{t} 1, as) = we} P{t}
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Calculate the following triple integral which is defined by where R is the region region defined by x^2+y^2+z^2=z^2 and z>= \f
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Find the regression equations between Sales and profit. Sales 10 20 30 25 15 18 22 35 42 Profit 22 25 26 10 12 15 16 29 40

What is the euclidean algorithm? What is its origin?

6. Given your estimated WACC and your analysis, how attractive is the project? What would have been your recommendation to the Board of Directors? Why? [10 Points]
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The opening value of a stock index on the first day of trading from 1994 to 2010, can be modeled using the following polynomial:

Solve for the question Classify the equation as separable, linear, exact, or none of these. Note that it is possible for the equation to have more than one classification. (5x e XY + 5y) dx + (5ye XY+ 5x) dy=0 Select all that apply. A. Linear B. Separable C. Exact D. None of these
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A juice company completes the preparation of its products by cleaning, filling, and labeling bottles. Each case of orange juice requires 10 minutes in the cleaning machine, 4 minutes in the filling machine, and 2 minutes in the labeling machine. For each case of tomato juice, the times are 12 minutes of cleaning, 4 minutes of filling, and 1 minute

MAT142 One dealer is selling the Nissan Leaf Hatchback for $27,500.00. Their finance company is offering a 72-month amortized loan at a rate of 2%. Assume a down payment of 21%. What will the monthly payment be? How much will the car cost, in total? How much money will be paid in interest? If you agreed to make payments once every 2 weeks, what
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Georgia Cabinets manufactures kitchen cabinets that are sold to local dealers throughout the Southeast. Because of a large backlog of orders for oak and cherry cabinets, the company decided to contract with three smaller cabinetmakers to do the final finishing operation. For the three cabinetmakers, the number of hours required to for all the oak
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MCRAU - Version 2 Names c) sketch h" (x) show all process work. 3 min Part C: Graphing, show all work for full marks 11. Graph each of the following by creating mapping equations. Then state the domain and range six+ 3 -1
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Botanist Keana Tang collected morphometric data to compare the leaf shapes of two native California species: Keckiella antirrhinoides and Keckiella cordifolia . She analyzed the data in MorphoJ using a Principal Coordinates Analysis (PCA). Use the graph of percentage variance to estimate: What is the percentage of variation in the leaf shapes that
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The tallest freestanding structure in the world is the CN tower, located in Toronto, Ontario. It is 390 m taller than the tallest church tower in the world, located in Germany. The sum of their heights is 710 m. Use linear systems of equations to model this situation, and find the heights of the CN tower and the church tower.

Columbia Southern university Mat1302 assignment III Unit Ill Assignment: Linear Nutrients In this assignment, you will be asked to find a linear equation based on the nutritional information of food served at a restaurant. You will analyze the equation as it relates to the variables and transformations presented in the activity. Instructions:
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1. Reduce to two ordinary differential equations, one an eigenvalue problem, the other having one initial condition, and find the particular solutions: (a) nze 032 - 4 = 0 for 0 0, au at (x, 0) = 0, w (0, t) = u( 1, 1) =0. (b ) you a/2 at aatu= 0 for 0 0, u(x, 0) = 0, au ax (0, t) = u(1, t) = 0. (c) au + -1=0 ay for a 0, # (0, 1) = 0, u(1, t) = 0
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E 8. A school district is buying new buses to transport students in Winnipeg . There are two types of buses available: the Bronco buses and the Neon buses. Each Bronco bus costs $18,000 ,has a capacity of 25 passengers , and will require 2 mechanical repairs per year. Each Neon bus costs $22 000, has a capacity of 30 passengers, and will require 1
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Prove that if 2 points violate an inequality, so does any point in their convex hull. In other words, given two points x1, x2 Rn, and an inequality aT x b, prove that if aT x1 > b and aT x2 > b then aT x > b for all points x in the convex hull of x1 and x2

Having earned a bonus at hiswork, Rick placed the money in an investment earning 6.08 % compounded monthly. He withdrew $ 211 at the end of every month for the next 3 years. (a) What was the amount of thebonus? (b) If he made all of the withdrawals asplanned, how much interest waspaid? round to the nearest cents

4). You have a bag of 15 soccer balls containing: 1 red soccer ball, 2 green soccer balls, 3 blue soccer balls, 4 black soccer balls, and 5 yellow soccer balls. What is the probability that you reach into the bag and pull out a yellow soccer ball, put it back, and then pull out another yellow soccer ball? Write the answer as a decimal rounded to

Find the absolute maximum and minimum values of each function over the indicatedinterval, and indicate thex-values at which they occur. f(x)=x 2 -2x 2 -15x+5 ;[-2,0]

Add a column at the end of the chart to calculate the accrued vacation pay for each em ployee. Assuming the employer's contribution is 100% [or Canada Pension Plan and 140% for Em pluyment Insurance, what is the em player's total expense for the week? 713.265 CPP: 517.453 *10095 + E|:143.434*14095 = 517.453t2l30.80?6= 713.2656
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please answer #2 and #3 2. Consider f (x) = 2x3 - 3x2 - 59x + 30. Part A: Determine if (x - 5) is a factor. Part B: Determine f (5). Part C: What is the relationship between Parts A and B? 3. Determine which of the following functions below have (x + 6) as a factor. Select all that apply. 0 2x3 - 19x2 - 7x + 294 4x3 + 11x2 - 75x + 18 3x3 + 34x2
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26. [-/0.17 Points] DETAILS LARMPMT1 5.2.035. 0/100 Submissions Used Determine whether 1749 is a prime number. O Yes, it is a prime number. O No, it is not a prime number. What is the greatest prime number you test? Explain your reasoning. This answer has not been graded yet Need Help? Road It
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The two smaller angles of a right triangle have equal measures. Find the measures of all three angles.

A grocery store is trying to find a new vendor for carrots. Its three criteria are freshness, lot size, and cost, with factor weights of 0.6, 0.1, and 0.3, respectively. What would a vendor with ratings of 6, 8, and 10 in the three respective categories score as a weighted total? ANSWER Unselected 6.4 Unselected 7.4 Unselected 9.8 Unselected I

There has been a lot of soul searching recently at your company, the Beansoul Coal Company (BCC). Some of its better coal mines have been exhausted and it is having more difficulty selling its coal from remaining mines. One of BCC's most important customers is the electrical utility, Power to the People Company (PPC). BCC sells coal from its best

A chemist needs 7 liters of a 36% solution of sulfuric acid for a research project in molecular biology. She has two supplies of sulfuric acid solution: one is an unlimited supply of the 56% solution and the other and unlimited supply of the 21% solution. How many liters of the 56% solution should she use?

Suppose f: R R is a function from the set of real numbers to the same set with f(x)=x+1. We write f 2 to represent f o f and f n+1 = f n o f. Is it true that f 2 o f=f o f 2 ? Why? is the set { g: R R 1 g o f= f o g} infinite? why?

see the screenshot below Find a particular solution to the differential equation using the Method of Undetermined Coefficients. 7y" + 6y' - y= 18 A solution is yp (t) =
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Want exact and accurate solution of these hw problems. Detail work required Let p and q be distinct prime numbers. Let G be a group of order p3 . q such that its commutator subgroup K is of order q. Let H be a p-Sylow subgroup of G. (a) Show that H is abelian and G = HK. (b) Show that there are elements h E H and k E K such that he # kh. (c) From
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The Revenue, in dollars, is equal to the unit selling price, p, of the product, times the number x of units sold. Suppose that p and x are related by: p(x) = -1/3x + 9 A) What would the Revenue as a function of the number of units sold be? : _______ B) What would the Revenue as a function of the price be? : _______

Simplify completely: 2 - V125 + 2 - V45 + 5 - V245 Entry Tip: To enter an answer like 503/21, you would type 505qrt(21). Preview your answer before submitting! Rationalize the denominator: 6\\/ Entry Tip: Do not use a decimal approximation for square roots. To enter a number like 5W, type 5*sqrt(7). Preview your answer before submitting! 3 10 is
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c) Explain how the moving components you identified in "3b" work together to achieve the main purpose of the magnetic HDD, i.e. Data Storage
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Using the following conversions between the metric and U.S. systems, convert the measurement. Round your answer to 6 decimal places as needed 1 meter3.28 feet 1 Liter0.26 gallons 1 kilogram2.20 pounds 0.782 ton _____dag Please make sure its 6 decimals and roundeded

Solve the given differential equation by using an appropriate substitution. The DE is homogeneous. \f
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a. Determine the number of different license plates that can be created using this format. Assume that a license plate consists of seven alphanumeric characters using numbers (0-9) and capital letters (A-Z). Find how many unique license plates can be printed using all alphanumeric characters only once. Is this a permutation or combination? Why? (2
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