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Mathematics Questions and Answers October 16, 2021

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Suppose that A is an n xn matrix with eigenvalue and associated eigenvector u. Show that for each positive integer k, the matrix A k has eigenvalue k and associated eigenvector u.

I need help with this kind of problem , please show me step by steps how to solvei t Question 15 An object is projected vertically upward from the top of a structure which is 100 feet high. The initial speed is 62 feet per second. Find the instantaneous rate of change at t = 3. Answers are infect per second. a) o 34 b) 0145 c) O 31 d) O 142 e) 0
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Parameterize the plane through the point (4,5,2) (4,5,2) with the normal vector 1,3,2.

Johnny is designing a rectangular poster to contain 30 30 insquared 2 of printing with a 5 5 ?-in margin at the top and bottom and a 6 6 ?-in margin at each side. What overall dimensions will minimize the amount of paper?used? Johnny is designing a rectangular poster to contain 30 in2 of printing with a 5-in margin at the top and bottom and a 6-in
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2/28/2017 Sections 11.5 - 12.2 Dustin Kelly MTH 217, section 22318443, Spring 2017 Instructor: Daniel Sievewright WebAssign Sections 11.5 12.2 (Homework) Current Score : - / 81 Due : Thursday, March 2 2017 12:10 PM EST 1. -/1 pointsWaneFMAC6 11.5.002. Find the derivative of the function. f(x) = ln(x + 1) f '(x) = 2. -/1 pointsWaneFMAC6 11.5.007.

There are many voting methods in the United States. The Electoral College for one gives large swing states and small states a disproportionate influence in electing the President. You choose which voting method would be your favorite and please explain what could be at least one disadvantage of the method and why the voting method is still your

3. This question explores a general method for showing that a set of functions are linearly independent. We will only look at the case of three functions, but the idea and the arguments work for any number of functions. Given three functions f1, f2, and f3 6 C(]R), we dene their Wronskian to be f1 f2 f3 W(f1!f2af3)= fir f f1; 1 2 3 where f' and

R2:SP6: Story 9: Generate Reports - Loan Overview Narrative: As a Loan Department Executive I would like to have business intelligence analytical reports on the loan overview process so that I can manage the loan processing business better. I would like to know visually appealing dashboard with gauges and different charts. Scenario 2 - Loan
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What should be the basis for the determination of the most suitable method for depreciation? The method that shows better profitability, even if it is not the method that most accurately matches costs to revenues The method that results in a smaller tax liability The method that matches asset costs to the revenues produced by the asset The method

If sin( x ) = 1/3 and sec( y ) = 29 / 21 , where x and y lie between 0 and /2, evaluate the expression using trigonometric identities. (Enter an exact answer.) sin( x + y ) I don't remember the process.

We know that "The row space and the column space of a matrix A have the same dimension, equal to rank A". Use this to show that, if A is not square, either the row vectors or the column vectors of A are linearly dependent.

Math 1338 Quiz #12 (Sec. 9.3) Name: ___________________________________________ Please show all work on this page. 1. Sketch the graph of point P with the polar coordinates a. (2, 34 ) b. (3, 23 ) O O 2. Find the polar coordinates that correspond to the rectangular coordinates (5, 5) . 3. Find the rectangular coordinates of the point with polar

Hazel is playing a game with two regular dice and needs to roll a sum of 4at least once in the next 10rolls in order to win. What is the probability that Hazel will win?Answer with a percentage rounded to the nearest tenth of a percent.

ch 7 19. Calculate the following net price factor and single equivalent discount. Round to five places when necessary. Trade Discount Rates Net Price Factor= Single Equivalent Discount= 30/10/20

The salary of members of two governing bodies in 2008 was $165.8 thousand, and has increased by approximately $3 thousand per year since then. Complete parts a. and b. (a) Complete the following table to help find an expression that stands for the salary(in thousands ofdollars) of members of the two governing bodies t years since 2008. (b)

Find an equation of the line that passes through (4,6) and is perpendicular to y=4x8.

nd the rneanI varianee, and standard deviation of the binomial distribution with the given 1iralues at n and p. n='Ett'.|I p=ll? The mean, p. is D. [Reund tn the nearest tenth as needed.) The variance. :3. is D. [Round to the nearest tenth as needed.) The standard deviatien. a. is D. [Round tn the nearest tenth as needed.)
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Write the fraction multiplication problem shown by each area model (b) O O 1 N W - O / A 9 O 3 O 1 O WH DH L 1
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Question 2 (1 point) Emily scored 50% higher on an exam than Joshua. This means that Question 2 options: A)Joshua's score was half of Emily's. B)Joshua's score was 50% lower than Emily's. C)Joshua's score was two-thirds of Emily's.

How do I solve this problem by writing a linear equation in slope intercept form to model this decrease in sales: Apple sold 53 million iPods in 2008. the number of iPods sold in 2012 was 33 million.

Calculus Application Problem #2 Name _________________________________________ Heat It, Then Cool It! Due at the beginning of class _____________________ Introduction: A temperature probe is placed in a cup of hot water. It remains there for approximately 35 seconds, then it is removed from this cup and placed in a cup of cold water for another 35

Let p, q, and r be propositions. Use a truth table to determine whether the argument depicted in the image below is valid. Explain in words what your truth table shows and why

ch 9 19. Lee Sutherlin is a self-employed electrical consultant. He estimates his annual net earnings at $34,900. How much social security and Medicare must he pay this year? Round dollars to the nearest cent. Social security tax rate is 12.4% up to the wage base, Medicare is 2.9%. Social security: $ Medicare: $

Thank You, I need help with this question I really appreciate everyone's feedback. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. 3 O A. 7 _5 = E (Type an integer or a simplied fraction.) 0 B. The expression is undened
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The radius of a circular puddle is growing at a rate of 20 cm/sec. (a) How fast is its area growing at the instant when the radius is40centimeters? HINT [See Example 1.] (Round your answer to the nearest integer.) cm 2 /s (b) How fast is the area growing at the instant when it equals16square centimeters? HINT [Use the area formula to determine the

. A quality control specialist for a restaurant chain takes a random sample of size 12 to check the amount of soda served in the 16 oz. serving size. The sample mean is 13.30 with a sample standard deviation of 1.55. What is the error bound of the 95% confidence interval? HINT: Be sure to use the Student's T-table for your solution since you are

Projected Picture The area of a projected picture on a movie screen varies directly as the square of the distance from the projector to the screen. If a distance of 20 feet produces a picture with an area of 6 [c] square feet, what distance produces an area of 1 [a] 0 square feet? Round to the nearest tenth of a foot. Note: if [a] =2, then 1 [a]

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Question: 1. Rewrite each of the following in an English sentence and then explain if it is a true or false sentence. a. 10 { x I x E N & x is odd} b. 4 {4, 14, 17} c. 0 d. 4 {4} e. {14} {14} 2.Using the digits 0 through 9, find out how many 4-digit numbers can be configured based on the stated conditions: a. The number cannot start with zero and

Based on good laboratory practice, how frequently at a minimum should quality control materials be tested for any one analyte? Question 4 options: Once each work shift Each day of testing More than once per day if the test is not stable a and b b and c All of the above

The pair of expressions are 7x 2 , 5x 2 . What is the sum of these two?

In a largecity, taxicabs charge $ 1.00 1.00 for the first one fifth 15 mile and $ 0.32 0.32 for each additional one fifth 15 mile. Frank has only $ 4.50 4.50 . What is the maximum distance he can travel(not including a tip for thecabbie)?

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let A(t) be the function t_____ -1 find the following t +1 A(9)=______________ A(-4)=___________________ A( 1 _)=________________ 9 A(- 1_ ) =____________ 2

A loan of $10,477 was repaid at the end of 11 months. What size repayment check (principal and interest) was written, if a 9.5% annual rate of interest was charged? The amount of the repayment check was $_______ . (Round to two decimal places.)

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Thex- andy-coordinates of a moving particle are given by the parametric equations below. Find the magnitude and direction of the velocity for the specific value of t. Sketch the curve and show the velocity and its components. x=4t, y=3-t, t=2 Find the direction of the velocity of the particle for the specific value of t. Enter an angle such that 0

The percentage of pregnant females who visited OBGYN provider in a timely manner? Eligible Population: Ages: Greater than 17 Visiting Provider Specialty: OBGYN Pregnancy Status: Must either have a due date populated on an encounter or an encounter with a pregnancy diagnosis. Administrative Specification: Denominator: The eligible population

Yolanda takes out a $ 5,000 amortized loan for 1.5 years at an annual interest rate of 18% What are her monthlypayments? round to nearest cent .

Train A, traveling 70 miles per hour (mph), leaves Westford heading toward Eastford, 260 miles away. At the same time Train B, traveling 60 mph, leaves Eastford heading toward Westford. When do the two trains meet? How far from each city do they meet?

State the Maclaurin series for 1/(1x) (ii)Differentiate this series, term by term. (iii) Multiply this resulting series by x (iv) What function does this last series represent? (v) Find the interval of convergence for this power series

1. A) B) C) Determine whether the binomial can be written as a difference of two squares. p9 - 25 a8 - 18 g2 - 36 Answer: 2. Consider the equation x2 + 8x = 10. 1. Show how to solve the equation by completing the square. 2. Show how to solve the equation by using the quadratic formula. Round solutions to the nearest tenth if needed. Answer: 3.The

what are the domain and range of the function? f(x)=(2/x+3) +4 I'I'iI'hat are the demain and range ef the functien? fix1= .The dernain is [x IxE [It xa3]. The range is Lfix x]Ifx] ]E R,fix]#4}. .The eiernain is [x IxE [It xx 3]. The range is [fix xI]fix] ]E lit,fix]#4}. .The eiernain is [x IxE R xx 3]. The range is Lfix x]ix]If ]E |R,fix]a:E 4].
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The 10 children at a birthday party will each receive a balloon. In how many ways can 5 children be given red balloons, 3 be given green balloons and 2 be given yellow balloons?

a regression equation is stated as Y= $1450 + $72(X). which of the following describes the y-intercept of the relationship? a. when independent variable is $0, the dependent variable is $1450 b. when the independent variable is $1450, dependent variable is $0 c. when independent variable is $0, dependent variable is $72 d. when the dependent

To the nearest dollar, calculate how many more dollars the payment would be if you financed a vehicle loan for three years instead of five, given the following assumptions: (vehicle sale price = $26,500, sale tax % = 5.5%, down payment = $1500, loan APR compounded monthly = 6.5%).

Refer to your course materials to answer the following questions regarding " energy vampires ": a) How much electricity is used, on average, by a central heating system in 2 years? Express your answer rounded to the nearest hundredth of a kilowatt-hour. b) How much carbon dioxide is emitted into the atmosphere to produce this electricity? Express

A Rational Expression or Root Used in an Everyday Life Event Find a real-life example where either a rational expression or a root is used. Explain the use.

It is mentioned in the expanded powerpointon functions that a composition of two not-bijective functions can be bijective. This extra credit assignment asks you to explore and ultimatelyproduce and prove an example of this phenomenon . Please respect this policy and do not ask for exceptions to be made.You have one submission only. In this

Your portfolio manager has suggested the following three companies for investment purposes: Epsilon NanoTech,Zeta Functions, and Delta Derivatives. Epsilon NanoTech shares cost $28 per share, Zeta Functions shares cost $12 per share, and Delta Derivatives shares cost $12 per share. You have $2,532 to invest, wish to hold 4/10 the number of Zeta

Subsets - not sure is there are subsets to list. I feel the answer is just 0. \f
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1. A water trough is 8 m long and its ends are in the shape of an isosceles triangle with a height of 4 m and a base of 6 m. If water is being pumped in at a constant 3 rate of 1 iiin . At what rate is the height of the water changing when the water has a height of 3 m? 1L - V; 3w t5 1m

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MY PIN FOR THIS PROBLEM IS 26743 In each module, you will work one custom problem based on your unique Calculus Identification Number (CIN) provided by your instructor. The letters that are in bold in brackets below correspond to your CIN. The first digit is [a], the second digit is [b], etc. Use Math Editor to enter formulas and mathematical

- Complementary angles are a. two angles whose sum is 180. b. two angles with a common vertex and a common angle. c. two angles whose sum is 90. d. the two equal inside angles formed in a Z-pattern.

Is the triangle with the vertices A( 5, 2 ), B( 0 , 6 ), and C( 1,-6) Is the triangle a righttriangle?

1. A steady stream of eager fresh-faced students waits in line to register for classes before the start of fall semester classes. Students arrive at the rate of 10 per hour and it takes the duty of average of 3 minutes to check their student status, and register them for classes. The service time is exponentially distrbuted. What is the average

A tank with a capacity to hold 1000 L initially contains 500 L of water containing 40 kg of salt.A brine solution containing 0.2 kg of salt per L enters the tank at a rate of 20 L per minute.The well-stirred mixture is drained from the tank at a rate of 10 L per minute.How much salt is in the tank just as the tank begins to overflow?

1)Explain why the graph of a quadratic equation has the shape of a parabola 2)How do you know if a parabola has a maximum or minimum? 3)How do you find the vertex or the line of symmetry 4)How many possible solutions can you get from solving a quadratic equation? What is the relationship of the solutions to the graph of the quadratic equation 5)If

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I am very worried about my calc course. Lectures seem disjoint. I get the sample problems and most homework assignments I work with my friends. Looking to get an explanation for this question we were not sure of... \f
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The functions f and g are graphed in the same rectangular coordinate system, shown to the right. If g is obtained from f through a sequence of transformations, find an equation for g. What is the equation for g? g(x)=

A television programmer is arranging the order that five movies will be seen between the hours of 6 P.M. and 4 A.M. Two of the movies have a Grating, and they are to be shown in the first twotime block s One of the movies is ratedNC-17, and it is to be shown in the last of the timeblocks, from 2 A.M. until 4 A.M. Given these restrictions, in how

Determine the point(s), if any, at which the graph of the function has a horizontal tangent line. (If an answer does not exist, enter DNE.) y = x 3 + 3 x 2 ( x , y )= (smaller x -value) ( x , y )= (larger x -value)

STAT 200 7362, Spring 2017 UMUC Quiz-1 Quiz 1: Show your work on all problems. Submit the completed quiz in the assignment folder. Total Points: 75 Due: March 12, 2017 23 1. Determine which of the four levels of measurement (nominal, ordinal, interval, or ratio) is most appropriate. [4] a. Amount of fat (in grams) in cookies. b. Temperatures of

Use simple interest to find the ending balance, given the following values for principal, rate, and time. $45,000 at 14.3% for 3 years

Solve each of the following variation problems by setting up a formula to express the relationship, finding the constant, and then answering the question. Problem: The time required to drive a fixed distance varies inversely as the speed. It takes 5 hr at a speed of 80 km/h to drive a fixed distance. How long will it take to drive the same

Comparing Random Number Strategies In setting up her RSA keys, Alice chooses primes p = 251 and q = 41. Alice uses a random number generator to randomly select an integer e in the range 1
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Palo Alto College is planning to construct a rectangular parking lot on land bordered on one side by a highway. The plan is to use 520 feet of fencing to fence off the other three sides. What dimensions should the lot have if the enclosed area is to be a maximum? The width is ____ feet. The length is _____ feet. (Let the longer side be the length

Please answer in detail in no less then 100 words . If two functions are inverses of each other, how do their graphs look?

In Discrete Mathematics, I need some help with creating an problem like this one below: The table below shows the value of a predicate M(x, y) for every possible combination of values of the variables x and y. The domain for x and y is {1, 2, 3}. The row number indicates the value for x and the column number indicates the value for y. For example

Please solve the system of equations by ADDITION showing work. -x + 2y = 1 5x 10y = 6

points (- 5/2, -3) and (-1/2, 4) a) State the midpoint of the line segment with the given endpoints. (b) If the point found in (a) is the center of a circle, and the other two points are points on the circle, find the length of the radius of the circle. That is, find the distance between the center point and a point on the circle.

I want to find the absolute min/max values of the function f(x) = x - ln(x) on the interval [1/2, 2] Could i get an explanation as well. I want to understand how to get to the actual answer

Consider a right triangle with legs a and b and hypotenuse c. Find the exact length of the missing side. a = 2,b = 2

A jar on your desk contains ten black, six red, fifteen yellow, and three green jellybeans. You pick a jellybean without looking. Find the probability that it is red or yellow. Write the probability as a reduced fraction . Write the probability as a percent, rounded to the nearest 1%.

The mass of a radioactive substance follows a continuous exponential decay model, with a 7 decay rate parameter of 6% per day. A sample of this radioactive substance has an initial mass of 2.83 kg. Find the mass of the sample after four days. Round your answer to two ' decimal places. Note: This is a continuous exponential decay model. And though

Hi there, is there any way i can get help with this step by step if possible ? Thank you so much!! Evaluate: | | 2x2 - 8 | dr [Show all the supporting work. Use graph to justify the set up of the integration) O Not listed here of (2x] - 8) da of (213 - 8) da + [ (8 - 2x]) dr of (8 - 23 ) de + f (22) - 8)dr
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What is the square root of x 2 ? What is the answer to this fine question? What is the square root of x squared?

Describe how you would determine the proportion of people inOntario who have a smart phone.

I need help solving the attached files for my calculus class. \f\f
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Suppose the Baldwin company begins to compete through good designs, high awareness and easy accessibility for their existing products, what strategy would they be implementing? Select: 1 Niche differentiation Broad differentiation Niche cost leader Broad cost leade

The marginal price / at units of demand per week is proportional to the price . There is no weekly demand at a price of $1000 per unit, and there is a weekly demand of 10 units at a price of $367 per unit. () Find the price-demand equation. () At a demand of 20 units per week, what is the price?

Find the slope of the line for this equation 2x-4y=18

A twenty-five cent coin is flipped twice. Ais the event that the first toss yields a head. Bis the event that the second toss yields a head. Cis the event that both tosses yield a head. Which of the following statements are true? (i)AandBare independent. (ii)AandCare independent. (ii)BandCare independent.

Need answer on question 5. a) b) c). Attached below is full question 5. In a town whose population is 30,000, the number of people N infected t days after a disease has begun is given by the function 4000 Ni . () l+l9e'5r a) How many are initially infected with the disease (I = 0) ? Round to the nearest whole person. b) Find the number of people
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Solve each of the following linear inequalities, graph its solution, and give interval notation. -1 3-2x/3 4

Time left 1:34:20 Question 16 Not yet answered Marked out of 1.00 Flag question Question text Before research begins, the researcher must.......... Question 16Answer a. Define the research problem b. Develop a plan c. All responses d. Establish assumptions

Briefly describe a criminal justice inquiry that explores the association between two continuously measured variables. Define your x and y variables, and indicate which is the independent variable and which is the dependent variable. What would the Pearson's r value of -0.70 tell you about the measure of association? How would the coefficient of

Is there a way to buy more unlock credits? I am looking for a way to complete this task without having to re-ask these questions.

Melissa is planning to invest a total of $18,000 in two accounts. If she invests $10,000 in a CD paying 4.2% annual simple interest, at what rate does the remainder of her money need to be invested so that the two investments together yield at least $740 in yearly simple interest? (Define your unknowns, set up and solve an inequality to answer

14. Let A = [101] [010] [101] Find N(A), R(A), and Rank(A) 15. Let V1 Let V2 Let V3 Let V4 OI'I'CD I'CDCDI'CDI'CDH (DICDI'Il Determine whether S = {V1, V2, V3, V4} spans RR4

Let f(x) = x2+ 6 and. Find ( g o f)( -7) please help me

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1 1 2) Evaluate the following expression if x = E and y 2. Write your answer in simplest form. 230/2
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please answer the question below: If an object is projected upward with an initial velocity of 123 ft per?sec....... ifan object is projected upward with an initial velocity of123 it per 591:}, its height h aftert seconds is h = -1612 +123t. Find the height of the object after 4 seconds. The height afthe object after 4 seconds is D ft. {Simplify
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Please help me solve this. Please explain. Thank You! [1 point} The total prot (in dollars] from the sale of it charcoal grills ls Pm) = 503: [1.33:2 225 [A] Flnd the average proflt per grill it 40 grills are produced. Ave. profit = 32.3?5 Find the marginal average prot at a production level of 40 grills. {B} Marginal average prot = I I Use the
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need help with this . m 2 -49/2m+8 *m+4/m-7 its telling me to add more information I don't know what more that I can add except the math problem

Find the amount in an account where $200 is invested at 3.5% compounded quarterly for a period of 3 years. Find the amount in an account where $1100 is invested at 4% compounded continuously for a period of 6 years. Each answer must include the intermediate steps used to arrive at the answer.

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