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Mathematics Questions and Answers March 17, 2023

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1. People spend an average of 7 hours per day on their home computers with a standard deviation of 1 hour.What proportion spends at least 5 hours per day on their home computers?What is a sentence that you could right to state your findings?

Sketch the graph of f by hand and use your sketch to find the absolute and local maximum and minimum values of f. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) f(x) = 3 2x, x 5 absolute maximum value= absolute minimum value= local maximum value(s)= local minimum value(s)=

If (3, 6) is a point on the graph of y = f ( x ), which of the following points must be on the graph of y = - f ( x )?

Use the compound interest formula to find the account balanceA, where P isprincipal, r is interestrate, n is number of compounding periods peryear, t istime, inyears, and A is the account balance. P- $110,000 r - 4.5% compounded - annually t - 5 The account balance is approximately $?

. Set up an integral to find the length of the curve y = 4 ln x, from x = 1 to x = 3 a. integrating with respect to x and y Thank you im stuck

QUESTION 23 1 A disease data for two independent groups are summarized into 2 by 2 tables stratified by gender . The Chi- Square test for interaction between group variable and gender variable shows that a statistical significant interaction does NOT exist . Which following statistic should be reported ? - a The crude adds ratio from combined data
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Let G be an abelian group of order n = p_{1}^{a(1)} *... * p_{k}^{a(k}} factored into distinct prime powers. Let N_{i} be any Sylow p_{i} subgroup of G, for i=1,...,k. Show (a) N_{i} is the unique Sylow p_{i} subgroup for each i=1,...,k (b) Every element of G can be uniquely written in the form n_{1}*... *n_{k} for n_{i} in N_{i}, and i=1,...,k

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6. If a good is produced using only Labor (and keeping L in the horizontal axis -- a usual}, the graph of the isoquant is: a. Perfectly Vertical b. Perfectly horizontal c. Lshaped d. Convex to the origin
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In 2013 a tobacco company purchased an e-cigarette (yapingl company and later did a study on how 1raping was a much healthy alternative to smoking cigarettes and encouraged people who want to quit smoking to start vaping to help. What type of study would have taken place. observational or experimental? Explain your
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70 80 90 & 100 Point Versions The 70-point version displays one of the cells on the next page. The 80-point version displays two. The 90-point version displays three. The loo-point version displays all four. The cell with lines displays 100 random lines. Both ends of the line have random x and y coordinate locations. The lines are also drawn in
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A monopolist faces a demand curve given by: P = H} 2C1, where P is the price of the good and Q is the quantity demanded. The marginal cost of production is constant and is equal to 536* There are no xed costs of production. 1What price should the monopolist charge in order to maximize prot
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Transmission efficiency = (useful data/total No bits transmitted)*100 what does * stands for in this formula ?

For problems P - U, use matrices A , B , and C below. (2 3 4) A = (5 6 7) (8 9 1) (8 7 6) B=(5 4 3) (2 1 9) (1 6 5) C= (7 2 8) (4 9 3) R: Find:-3 C and Describe the problem

For each equation given in Exercises 41 - 52: Find the x- and y-intercept(s) of the graph, if any exist. show a table of sample points on the graph of the equation. Plot the sample points and show a rough sketch of the graph of the equation. Test for symmetry. If the equation appears to fail any of the symmetry tests, find a point on the graph of

Use the points selected to find the time constant 40348 x 10 - 2 5 2 721 7x109 4 4 .2090 * 10 7 5 , IDOITXIOV 9025 2030 1035 0.040 D.DA
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Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 5. Use the 68-95-99.7 rule to find the following quantities. a.the percentage of scores less than 100 b.the percentage of scores greater than 105 c.the percentage of scores between 90 and 105

3.2 (a) The bytes at addressllCKJI-I through IUUSH are lled 1with the following numbers: llI: 23H I'lI-I: FIH MIDI-I: 32H ISI-I: AB Assuming twe's enmplement arithmetic and operand alignment, give the numerical value in decimal of the 32bit wnrd stared at address IEIGDH and of eaeh 16bit half 1Inward stared at addresses IDIIIH and lZH under (I)
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investment return is 336 for the year but she has twice as much money in an account earning 5% interest then in the 4% interest what is the amount for each invested to equal the return

This hyperbola has a transverse axis of length 22 and is centered at the origin. Which of the equations below could be its equation? A. Y^2/11^2 - X^2/7^2 = 1 B. X^2/22^2 - Y^2/10^2 = 1 C. X^2/11^2 - Y^2/5^2 = 1 D. Y^2/10-^2 - X^2/11^2 = 1

Stanley Brown has $7,700 to invest today for a period of two years. Identify a bank CD that pays an interest rate of 0.0400 annually with the interest being paid quarterly. What will be the value of the investment in two years?

Let X be a random variable with the probability function f(x) = kx^2 for x = 2,3,4,6 \f
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e. Assume that Heywood's managers judge the project to have highwthanmmge risk. Furthermore, the company's policyIr is to adjust the corporate cost of capital up or down by 3 percentage points to account for differential risk. Is the project nancially attractive
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Evaluation of employee group housing offer A Pharma company has recently recruited 4 scientists at an average age of 27 and is looking to develop quite a few pharmacological formulations With a view to retain them the company proposes to offer a housing scheme to them on the following terms and conditions The number of beneficiaries will be four
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On August 1, Rachael Westlake joined a Christmas Club. Her bank will automatically deduct $140 from her checking account at the end of each month and deposit it into her Christmas Club account, where it will earn6 7/8% interest. The account comes to term on December 1. (Round your answers to the nearest cent.) (a) Find the present value of the

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4)Given the two lines with equation 5x + 2y = 10 ; -x - 2y = -10 a) Write the equation in slope-intercept form. b)State the slope of the line. c)State the y-intercept of the line as an ordered pair.

A concrete pier of square cross section is 6 m high. The sides taper uniformlyr from a width of 0.5 m at the top to 1.1] m at the bottom. If the shortening of the pier does not exceed 0.8 mm under compressive load of 16m} kN, select the most suitable material that can be used using the following information given in the table (Him: The
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d. Ignition ot magnesium ribbon vs maggesium shavingg: Magnesium ribbon ignited; sparks, diffusion ame, and a premixed torch are used as potential ignition sources. What method ignites the magnesium ribbon? Magnesium shavings are ignited. What method is able to ignite the shavings? 1What is the cause of the difference between the Mo configurations
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Hey I need help solving this stats question. Work shown is great. Thanks Qualon 15 In a remnt poll, 71.2% of Amar'cans suppnrt standing For the playing of the u.s. national anthem, The Star-Spangled Banner. The poll contalned 7152 vanes. Flnd a 90% 1 POITMSJ condence Interval fur the papulatlon proportlan that suppart standing for the playing
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What is the variance of the following data? If necessary, round your answer to two decimal places. 10, 12, 15, 18, 11, 13, 14, 16, 19, 20 Show all work.

8. If the graph of a production mction which uses only labor is a linear function, then the slope of NIPPL is: a) positive b) negative c) zero (1) Cannot be determined
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graph and solve the equation. round two decimal places as needed 1=7x 2 +6x

22 ) At an animal shelter , there are 38 more dogs than cats . It the total number of animals is 152 , how many of each type are in the shelter ? Please set up and solve this problem following the steps below a ) Define the unknown quantities in terms of one variable b ) Translate the question into an equation ( ) Solve the equation , showing all
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A rock is thrown upward from the edge of a cliff. The rock follows the equation below. s=9*5+64t-16t 2 What is the greatest height above the ground that this rock will go? Please show work.

If f(x) = (3/x-2) and g(x)= (x - 2), find g(f(x)) and state the restriction on the variable. A. g(f(x)) = 3/x, x 3 B. g(f(x)) = -2x+1/x-2, x 2 C. g(f(x)) = 3/x, x 0 D. g(f(x)) = -2x+7/x-2, X 2

A product is produced at three plants and shipped to four warehouses. Production costs per unit is $50 at Plant A, $20 at Plant B, and $30 at Plant C. The transportation costs per unit, plant capacity, and warehouse demand are given as follows: Warehouse 1 Warehouse 2 Warehouse 3 Warehouse 4 Capacity Plant A 12 9 13 12 300 Plant B 8 14 7 11 300

Solve the following proportion for y 13/11 = y/9 Round your answer to the nearest tenth.

Hi I need help on my proof. Step 2: Building on the information from Step 1, use this spaces below to prove that angle BEC = 60. Add the appropriate notation to the diagram. Statements Reasons Triangle EGC Congruent to Triangle EGB 1. Given (solved from step 1) Segment EB congruent to segment EC 2. BLANK NEED HELP FILLING THIS OUT BLANK NEED HELP

Answer questions 11-13 below using the following information: A firm is producing in the short-run (with K xed at 10 units) according to the following production function: FOL) = Q = 10L 0.25L2 . You also know that w=$15, r=$20 and the rm can sell its product for P=$7.50. 11. To minimize costs how much labor should the firm hire in the short run?
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the standard form of the equation of the circle is what? Write the standard form of the equation of the circle described below. Center ( - 6,8), r = 6 The standard form of the equation of the circle is E. (Type an equation. Simplify your answer.) Write the standard form of the equation of the circle described below. The standard form of the
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Find the volume of the solid generated by revolving the region bounded by y=2-x and y=x^2 about the line x=4 using the disk method. Answer= 127.23 How to solve with steps please?

BC=EC; AB = AD =90; DE = AD =90; .....Prove 2 triangles with AAS congruence theorem \f
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How do I solve the question listed in the picture provided? Solve r 5Pr=60

how to graph 2sinx + cos2x and suppose f(0) =5 and 4

Prepared by: Date prepared: Cloud 9 Ltd. December 31, 2020 Substantive testing of purchasing Item Date Purchase Receiving Order Report (ly match Line cost Invoice cod Journal check Period check 22 23 24 25 Mater For the purposes of this case study, sample tests ] to 21 have been removed. There were no exceptions noled in the results
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UnJanuary 1 , LU16 , Alpha Corporation had sub , you shares of common stock outstanding with a par value of $3 per share . On March 31 , Alpha Corporation authorized a 10% stock dividend when the market value wa $8 per share . Use this information to prepare the General Journal entry ( without explanation for March 31 . If no entry is required
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Cash $ Zi Accounts Payable it t! DID Prepaid Insurance 4i Salaries and Wages Payable 21C":- Accounts Receivable Si Mortgage Payable 85 DID Inventory Ei Total Liabilities ITUEDG Land Held for Investment Ti Land lli Building $ll, Less Accumulated meer's Capital 3 BIZ! DID Depreciation {2G BUD! 90201210 Trademark TU Total Liabilities and Total Assets
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Let the implicit equations for a line L1 in R4 be: -x1 + x1 = 0 -2x1 + x3 = -1 x1 - x4 = 0 Let the implicit equations for another line L2 in R4 be: 5x1 + x2 = 6 x1 + x3 = 2 x4 = 1 Find the implicit equations for the plane containing L1 and L2. *I'm thinking the strategy to this is converting L1 and L2 in to parametric form first, and I'm not sure

Input the upper bound of your confidence interval. (Round your answer accurate to three decimal places.) Answer: 0.233 x (9.293)
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You are planning to visit Japan in December. You estimate the cost of your trip to be $253. How many yen do you need to buy if the exchange rate is 1$ = 146.54 yen?

Determine the principal P that must be invested at rate r = 6%, compounded monthly, so that $500,000 will be available for retirement in t = 9 years. (Round your answer to the nearest cent.) P = $

21) Suppose the machine extracts orange juice for 2 hrs, and then extracts apple juice for y hours. The schedule produces the following in one cycle: The process ow diagram Juice production V Orange > . . lece I Apple juice In one cycle, the demand for orange juice should be equal to the production of orange juice. So does apple juice. Demand for
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Consider the following homogeneous coordinate transformation, that is transforming 2D point ( x,y ) into 2D point (x', y') : \f
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Problem 4 Suppese there are true persons. They hath drive a ear and their utility is increasing in the speed .1: with whieh they drive. Them is a ehenee p that an aeeideslt happens, and this ehazaee increases in the speed ef the pes'sens: p = :1 + 32. In ease ef an aI::u':I'.der:ttI they safer casts e. The utility ef persen 1 is a] ; tegimlj elm:l
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{c} Briey,r describe what happens to the coffee temperature (It) as the elapsed time t becomes larger and larger. ls this a realistic description of the behavior of the actual coffee temperature? As time passes and increases, the temperature of coffee will decrease to a certain point, whatever room temperature is
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2. The ohoioes for problem number 14 part e from the book are given below. a. 0.5m b. 0-400 o. {1.320 d. 0.930 e. UJ'SU 3. The ehoiees for problem number 16 part c om the book are given belovv. a. 0.350 b. 0-3 3 D o. {1.640 d. 0.?30 e. 0.140 4. The ehoiees for problem number 18 part e om the book are given belovv. a. 0.300 b. [1.940 e. 0.7'94 d.
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Consider the set A = fa; ab; aabg; a set of strings over the alphabet fa; bg. For strings, we have an interesting notation to define the universal set U in this context. We take U defined by the Kleene closure (*) of the alphabet: U = fa; bg = [ i0 fa; bgi = fa; bg0 [ fa; bg1 [ fa; bg2 [ : : : Answer the following questions about this statement.
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Skippy has a total of $10,000 to split between two investments. One account offers 3% simple interest, and the other account offers 8% simple interest. For tax reasons, he can only earn $500 interest for the entire year. How much money should Skippy invest in each account to earn $500 for the year?

Sketch the graph of the inequality: x < -3 Describe the graph in the box given. please explain thank you

Find the area of the triangle bounded by the lines y = x + 2 , y = - x + 2 , and the x-axis. ? \f
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Just need the formula and how to work on these questions. dadduhopenakimkhnnullsellirubaseballhats. Item mmmmmmmmhm manutumsw _ \"hulls. 1} Wisthe "simulcast for team hat? 1} Wl'tat are Linda's xed cost: to set up the Mask? .. 2):.muumruncum
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Hi, This is a linear algebra question. Please show how to orthogonally diagonalize the following two matrices. And please make sure both orthogonally diagonalized matrices are verified by using A = PDP T . Thank you. \f
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An actor invested some money at 8% simple interest, and 23,000 more than four times the amount at 9% . The total annual earned from the investment was 48,710. How much did he invest at each amount? .......how do I set this up

Let a line L1 in R3 be given by the implicit representation: x + y + z = 3 x - y - 2z = -2 Let line L2 in R3 be given by the implicit representation: x - 2y + 5z = 4 x - z = 4 Find the implicit representation of the plane containing the two lines. *I'm thinking the strategy to go about this is by converting them to parametric equations, but I have

Please help me on proving this question! Step by step explanation would be great. Thanks! 2.5.52. Let F Q IR be a subset, which is also a eld (with the usual addition and multiplication inherited from R). We say that F is a subeld of IR. (a) Explain why the numbers 3, 4, % and % must be elements of F, while \\/ and 71' need not be in F. (b) Prove
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please assist me with my daughters problems so i may verify the formulas and solutions are accurate 14. Sketch the graph of the function and check the graph with a graphing calculator. Before doing 50, describe how the graph of the function can be obtained from the graph of a basic exponential function. x-3 f(x) = 2 40 3 -6 -4 22 Select the
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please assist me with my daughters problems so i may verify the formulas and solutions are accurate 2 . Use a calculator to find the value to the nearest ten - thousandth @ - 3.43 CD 43 ( Round to four decimal places as needed . )
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Question 5 Barry, an Oklahoma Crude Company engineer who did not take Engineering Economy in his undergraduate coursework, recommended that Oklahoma Crude purchase a special tool to reduce the cost of pumping oil out of the bayous of St. Martin Parish. As a result of Barry's recommendation, Oklahoma Crude purchased the tool for $30,000 on January
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Willet Company provides the following information on a capital-budgeting project: Net initial investment $100,000 Estimated useful life 4 years Estimated before-tax annual cash ow from operations$33,000 Estimated terminal disposal value $7,000 Required rate of return 12% Income tax rate 30% Willet uses straight-line depreciation and ignores the
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14. In a box of 16 chocolates, there are four chocolatea with coconut lling. What is the probability of choosing four chocolates, one or more of which have coconut filling
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9 years ago, you purchased shares of stock in a corporation. Between then and now, the stock had a 3:1 split, and the price per share increased by 24%.What would be the rate of return on your investment if you sold your shares today?

1-6 mixure of random equations sum/ product /divide \f\f\f\f\f\f
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44. The nurse researcher is reading about linear regression. What is linear regression? A} B) C] D} Make predictions about the values of one variable based on values of a second variable Make predictions about the values of two variables based on values of a third and fourth variables Method of predicting a continuous dependent variable on the
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You have been asked try the CEO of your companyto develop a measurement to optimize the companys web site based on the foitowing information. Be sure to do the calculations for all three columns of data. Traffic in Number of Mommy Visits per Monthly Cost per Month Revenue Visit January 22.314 243.393 use February 25.339 298,?61 0.24 March 36,?51
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A furniture salesman's weekly salary is $375 plus 15% commission on what he sells. If his sales for a week are $ 3300 and the deductions from his check total 31% what will be his take-home pay?

APBD. Leona, whose marginal tax rate on ordinarv income is 3?.5 percent. owns 1m percent of the stock of Henlealr Corporation. This vear. Henlev generates $1 million of taxable income. a. If Henley:r wishes to pailr all of its after-tax earnings to Leona as a dividend, calculate the amount of the dividend pavment. a. ssopoo b. Calculate Leona's
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2.5.52. Let F g R be a subset, which is also a eld (with the usual addition and multiplication inherited from R]. We say that F is a eubeld of R. {a) Explain why the numbers 3, 4, % and g must be elements of F, While VIE and tr need not be in F. (b) Prove that Q Q F
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A large university uses some of the student fees to offer free use of its health center to all students. The following table displays the probability distribution function of the random variable X = number of times that a randomly selected student visits the health center during a quarter. X = No. of health center visits 0 1 2 3 ? .25 .15 .05

14.8 Calories and salt in hot dogs. Figure 14.11 shows the calories and eudilml content in 1'? brands of meat hot dogs. Describe the overall pattern of these data. 111 what way is the point marked A unusual? 690 500 400 300' 200 Sodium per hot dog (milligrams) 100 100 120 140 160 180 200 Calories per hot dog
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Consider the elevation from sea level of various football stadiums in the NFL. There area 31 NFL stadiums, ranging from 3 ft at Giants Stadium in East Rutherford, NJ. To 5210 ft at Invesco Field at Mile High in Denver, CO. For this problem, consider that the elevation of Invesco Field at Mile High is 247 ft higher than 7 times the elevation of

Using the January 31, 2014, unaudited nancial information, compute the ROE, ROA, prot margin ratio, asset turnover ratio, current ratio, cash ow ratio, debt-to- equitv ratio, interest coverage ratio, debt coverage ratio, NTAB, EPS, DPS and the PER. Comment on the ratio analyses performed
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Question 5 Which of the following delineates the role of the APN in Health Care most accurately? - code all of the primary and differential diagnoses - order labs and diagnostics for every patient - provide continuity of care for underserved populations at greater risk for ambulatory care - make sure that every chart has a growth chart - Whatever
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Individual Continuous Improvement Plan focusing on Math, Science, and Engineering topics Continuous Improvement Plan must include your personalized action plan for improvement in at least three areas identified from the inputs listed above and within the math, science, and engineering realm. In developing your Plan utilize the acronym SMART.

Hello I need help in solving the question on this attachment from my math 1030 graph theory review worksheet. "Travel time by rail for a segment of the Eurail system is shown below with travel times in hours and minutes. Find path with shortest travel time from Bern to Berlin by applying nearest neighbor algorithm and then the sorted edges

You receive 10 letters, 5 of them come in red envelopes and 5 of them in blue envelopes. You randomly shuffle them and place them in a stack. Let A be the event that there is at least 1 blue envelope in the top three letters of the stack. What is P(A)? (Your answer should be accurate to 3 decimal places.)

4.You have a house in Souix City Iowa valued at $ 156121 where the housing index is 47. What would a house of comparable value cost in Boston, MA where the housing index is 182?

What will it cost to carpet a rectangular floor measuring 18 feet by 27 feet if the carpet costs $ 18.38 per squareyard?

Numerical Methods Let A R mn , x R n and y = Ax. Assume x is representable in IEEE oating point arithmetic. Furthermore, let y ^ (hat) represent the matrix vector product Ax computed in IEEE oating point arithmetic. Perform a backward error analysis to deduce an upper bound on the relative error. ||y ^ -y|| 2 /||y||

I need help on all of these, just the answers and perhaps maybe a little step by step on how u solved them! \f\f\f\f\f
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Define and describe the similarities and differences between mathematics and numeracy Can you help me how to write 1000 word essay on this assignment Assessment details: ASSIGNMENT 1 : Assessment context For this assessment task, you are required to complete a self-check preparation quiz. This will ensure that you have an understanding of the

Line m passes through the points (3,7) and (6,12) while line n passes through the points (-5,1) and (-2,6). Which statement accurately describes the relationship between the two lines? A: Lines M and N have the same slope so they are parallel B: lines M and N have opposite reciprocal slopes so they are parallel C: lines M and N have opposite

Evaluate the integral. Integral from nothing to nothing e Superscript 2 x Baseline left parenthesis 7 minus 3 x right parenthesis dx e 2x(73x)dx Integral from nothing to nothing e Superscript 2 x Baseline left parenthesis 7 minus 3 x right parenthesis dx e 2x(73x)dxequals = nothing (Use C as the arbitraryconstant.)

l. 111 an intestate distribution, personal property is distributed t. under the laws of the state where the property is located. E. under the laws of the state in which the decedent was domiciled. C. directl},r to the devisee. D. direc'd}F to the legatee
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