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Mathematics Questions and Answers September 19, 2021

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49. [-13 Points] DETAILS SCOLALG7 1.3.009. 0/1 Submissions Used Find the slope of the line through P and Q. P(-2. 6). 0(0. 0) Submit
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\fThe Jordan-Brouwer Separation Theorem. The complement of the compact, connected hypersurface X in R" consists of two connected open sets, the "outside" Do and the "inside" D,. Moreover, D, is a compact manifold with boundary OD, = X
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Calculate the Y-sales approximate using the constants you obtained from the regression analysis (use month 6 and fill in the first 4 columns, then install the correct values for "a" and "b" in the last two columns. Finally, use the formula under the "Y-sales Approximation" to calculate the value you regression equation gives you for the new Sales

Bris found that toeholds were used in what percent of the tender offers he examined

Please help most people are getting concept wrong At the beginning of a study, a certain culture of bacteria has a population of 20. The population grows according to a continuous exponential growth model. After 17 days, there are 52 bacteria. (a) Let t be the time (in days) since the beginning of the study, and let OIno y be the number of
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A psychologist wanted to know if students in her class were more likely to cheat if they were low achievers. She divided her 60 students into three groups (low, middle, and high) based on their mean exam score on the previous three tests. She then asked them to rate how likely they were to cheat on an exam if the opportunity presented itself with

Senior management of a consulting services firm is concerned about a growing decline in the firm's weekly number of billable hours. The firm expects each professional employee to spend at least 40 hours per week on work. In an effort to understand this problem better, management would like to estimate the standard deviation of the number of hours

A. Use the curve-fitting tool (see Appendix) to produce a best-fit curve for the data. This tool will determine the function representing this best fit. In this case, the best fit should be a straight line. There are two parameters describing this line, the slope and the intercept. Record the slope of the line

1. Por qu est feliz Vctor? porque hace buen tiempo porque maana se va de vacaciones porque es su cumpleaos 2. Qu puede hacer Vctor en la playa? hacer surf hacer las maletas ir de compras 3. Qu quieren hacer sus amigos? ir de vacaciones estudiar en la biblioteca preparar algo para comer 4. Cundo llega Vctor al hotel? el mircoles el jueves el

El conjunto B = {[33], [- 39]} es una base para R2. Encuentre las coordenadas del vector x= [012] en relacin con la base B \f
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3. Consider the rst-order differential equation y'(t) + t3y(t) = 1 +154. a. Find an integrating factor, and show how it \"undoes\" the product rule. b. Solve the differential equation. [If you can't do a certain integral, just write \"assume we found the integral, and call it f (15)\" for partial credit]
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12. Find a 2 X 2 matrix A and a vector b such that the transformation T (v) = Av + b rotates each point through 45 about the point (1, 3). 111L953] +L13]
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Factor the trinomial completely. 3v- +16v+5 Select the correct choice below and fill in any answer boxes within your choice. O A. 3v2+ 16v +5= O B. The polynomial is prime
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please give detailed explanation 4. Prove that the character table of Sn is filled with rational numbers
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Will you please explain how to setup and solve the equation to find the unit price. I divided the cost by the ounce and got A: 5.5 & 5.45, and selected 18 fl oz, at 5.45 but go it wrong. I am not sure what I am doing wrong. thank you. \f
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5. (5 points) A nurse mixes 490 cc of a 40% saline solution with a 10% saline solution to produce a 24% saline solution. How much of the 10% solution should he use
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Consider furthermore, that due to a hurricane (e.g. , Sandy) 98% of the filters' area was damaged. Thus, only 2% of the filter area is available for operation. Compute the new difference in water level needed. Hint: Compute the Darcy flux rate through the filters before the damage. Find (Ho-HL) before damage. Then, having the flow rate of 40 mgd,

pls help on a timer rections above and 1 1 point What, if any, lines are parallel? 144 O No lines are parallel. O Lines m and n are parallel. O Lines m and p are parallel. O Lines n and p are parallel
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solve all the question with all detailed process!! The joint probability density function (pdf) of two random variables X and Y, Y f (x, y) = Ja(l-x-y) +4xy, Ox
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Q6. Stevie Stone, a bellhop at the Royal Sundown Hotel in Atlanta, has been offered a management position. Although accepting the offer would assure him a job if there was a recession, if good economic conditions prevailed, he would actually make less money as a manager than as a bellhop (because of the large tips he gets as a bellhop). His salary

For which of these would a proof by contraposition be a better approach than a direct approach? Multiple select question. If a is odd and b is odd, then ab is odd. If 3n + 2 is odd, then n is odd. Prove that if 1/x is irrational then x is irrational. If n is odd, then n3 + 1 is even

Q22 7 -6 -5-4-3 -2-1, Find the slope of the line. Slope: m Enter your answer as an integer or as a reduced fraction in the form A/B
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16. A survey showed that 720 of the 1000 adult respondents believe in global warming. (a) Construct a 90% confidence interval estimate of the proportion of adults believing in global warming. (Round the lower bound and upper bound of the confidence interval to three decimal places) Include description of how confidence interval was constructed.
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Assume that A, B, C, and D are all single digit whole numbers. If ADD + ADD = CBDA, which single digit number is represented by each of the letters A, B, C, and D? HINT: D+D=A (ones digit) and D+D=D (tens digit), so D+D is greater than or equal to 10 because there is the carryover....more of this logic
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Suppose one card is selected at random from an ordinaryr deck of 52 playing cards. Find the probability that the card is a diamond given mat it is not a club. OA.1 E 03.0 Oc.1 E
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D = - O x = 2 = 5. Find an equation that could define each of the graphs below. 0 = -4 - = 7. N x = 3
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Use the graph to fill in the blank with the correct number. f(1) = ________ \f
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4. Consider the D.E. tyy' = 12 + 2y2, t> 1. a. Write the D.E. in the form y' =f (*) b. Convert the D.E. into a separable one. You do not need to solve it
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A rolling ball covers a distance of 12.60.5 centimeters in 2.50.02 sec. What is the speed of the ball in that distance?

Consider a triangle AB C like the one below. Suppose that c - 15, b=66, and C= 639. (The figure is not drawn to scale.) Solve the triangle. Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth. If no such triangle exists, enter "No solution." If there is more than one solution, use the
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I would like to determine if the proportion of the salaries which are higher than the upper quartile of the salaries differs from government to business. Which method should be used to determine this? 1 boxplot 2 normal probability plot 3 IQR 4 wilcoxon signed rank test 5 confidence interval for the single mean 6 t-test comparing two independent

Provide 2 key takeaways from each topic under the headings below Be concise: each point should NOT be long Primes, Divisibility, Prime Factorization Naming of Fractions Graphing Fractions Proper, Improper Fractions, Mixed Numbers Reciprocals Greatest Common Factor - GCF Reduction of Fractions Multiplication, Division of Fractions Lowest Common

1/1 What is the 5th term in the expansion of (x3 _ 1) 10 ? -210x10 210x10 O Option 1 O Option 2 -252x 252x5 O Option 3 O Option 4
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etermine whether the following events are mutually exclusive. Explain your reasoning. Event A: Randomly select a voter who legally voted for the President in Delawarelegally voted for the President in Delaware. Event B: Randomly select a voter who legally voted for the President in lowalegally voted for the President in lowa. Question content area
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Please show work and explain 18.Solve 2x2 = x + 1 19.Solve the equation: 4x + 12x =0 - 4x (x+3) = - > X z D , x = - 3 20. Solve the equation: 2 -2x = 2x- +5x -7 21. Solve the equation : 5x + 4x + 12 = 2x + 12 _-5x + 2x = Q x ( 5 x + 2 ) =0 22. Solve the following equation: x - 9 = 0 UT 23.Solve the following equation: 5x- + 2x - 4 = 2x2 + 2x + 8
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What are the chances your flight will leave ontime? To the right are a histogram and summary statistics for the percentage of flights departing on time each month from2001 thru 2006. There is no evidence of a trend over time. b) Find a90% confidence interval for the true percentage of flights that depart on time. Picture is included \f
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1.A study was designed to compare cardiac demands of snow shoveling to those of using an electric snow thrower. Ten subjects cleared tracts of snow using both methods and their maximum heart rates (beats per minute) were recorded. In this sample, the mean maximum heart rate during manual snow shoveling was 175 and the standard deviation was 15.

Suppose a random variable, x, arises from a binomial experiment. If n=14, and p=0.13, find the P(X=3) using Excel. Round answer to 4 decimal places.

Find the derivative of the function P(x)=ln[(4x+1) 3 /(2x5) 4 ]

The price-earnings (PE) ratios of a sample of stocks have a mean value of 11 and a standard deviation of 2.9. If the PE ratios have a bell shaped distribution, what percentage of PE ratios that fall between: 8.1 and 13.9

(a) The number of cases when the general manager is next to the vice president is 7 and there are 2 can be arranged in 21 ways. Thus, the total number of ways = 7*2 = 14 Hence. Required probability = 8 ! 1 4 = 4 0 3 2 0 1 4 = 0 . 0 0 0 3 4 7 (b) The probability that the marketing director is in the leftmost position will be = 8 ! 7 ! = 8 1 = 0 . 1

I need help me figuring out the test statistic and p-value please? Thank you. Score: 0 of 4 pts 4 of 10 (3 complete) HW Score: 12.1%, 3.75 of 31 pts 11.1.9-T *Question Help Conduct a test at the o = 0.01 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, and (c) the P-value. Assume the samples
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Your investment of $9,500 that you started six years ago earned 7 5% compounded quarterly for the first 3% years, followed by 8.75% compounded monthly after that. How much interest has your Investment earned so far

Question 10: Let f(x) = vx (a) Find f(x+h)-f(x). (b) Calculate lim f( x+ h) -f(x) A+0 h (c) Use the rules of differentiation to compute f'(x). (d) Find the equation of tangent line on f ( x ) at x = 2
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b. Suppose that the average of two visits to a primary care physician per year is a weighted average of two groups of SMI membersa small group with a chronic disease that requires a higher frequency of visits and a large group without a chronic disease that requires a lower frequency of visits: Average primary care Number visits per year Members
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Write the integral in terms of u and du. Then evaluate. /4xe_"2dx, u=x* (Use symbolic notation and fractions where needed. Use C for the arbitrary constant. Absorb into C as much as possible.)
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The time needed for an automotive center to get an oil change service on an automobile done is approximately follows a normal distribution with a mean of 19.5minutes and a standard deviation of 4.25minutes. a)The automotive center guarantees customers that the service will take no longer than 24 minutes. If it does takelonger, the customer will

c. A soda company claims that their soda cans have 12oz of soda with a standard deviation of 0.04oz. A consumer advocate researcher believes that their standard of deviation is not accurate. H subscript 0 colon space _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ H subscript 1 colon space _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ P a r a m e t e r colon space _ _ _ _ _ _ _ _

Refer to the data set of 20 randomly selected presidents given below. Treat the data as a sample and find the proportion of presidents who were taller than their opponents. Use that result to construct a95% confidence interval estimate of the population percentage. Based on theresult, does it appear that greater height is an advantage for

Simplify the rational expression by cancelling common factors: 7x+35 divided by x 2 + 5x

Use the special triangles to determine the exact value of: cos(30) + sin(45)tan(60)

h(x)=the cube root of x-2 and then minus 3 k(x)=h(x-1)+2. what is x when k(x) is -3

Solve the problem. 14) A salesperson gets a commission of $600 for the first $10,000 of sales, and then $300 for each additional $10,000 or partial of sales. Let S(x) represent the commission on x dollars of sales. Find the value of S(95,000)
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What type(s) of transformations(s), if any, affect the domain of a logarithmic function? The range? To explore this, graph the simple logarithmic function f(x)=log5 x and its transformations (see Table 3.5 in text)

please show work Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random sample of 42 male firefighters are tested and that they have a plasma volume

Write the givenHindu-Arabic numeral using Chinese numerals. 827

How does probability work? For example if I had if 2 people were rolling 2 dies, if player a gets a odd number he gets a point, and if player gets a even number he gets a point, how many possible outcomes would there be?

Write the following as a single rational expression. 1 over x cubed divided by 2 over x

i am super confused on this question can anyone help? A football is punted into the air. Its height, h, in metres, aftert seconds can be modelled by the function h(t) = 4.9t2 + 29.5t. Note that air resistance is neglected. You may write your work out on paper, take a photo of it, and then upload the photo below if you do not want to type it in. a.
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Calculate the following doses and weight of drug 28. 6 lbs 4 mL / kg 5 % 29. 33 lbs. 8 mL 22 mg/mL 30. 1.35 m 2 10 mg/m 2 20% **please help. step by step instructions would be greatly appreciated**

A 4-foot personstanding 15feet from a streetlight casts a 5-foot shadow. Two similar triangles are formed. One triangle is formed by the person and the shadow that the person casts. A second triangle is formed by the streetlightand the ground from the base of the streetlight to the end of the shadow. The street light is times taller than the person

If f(x) is a linear function and given f(6) = 1 and f(11) = - 3, determine the linear function. a.) What is the slope? (Be sure to leave your answer in reduced fraction form.) b.) What is the y-intercept? (Be sure to leave your answer in reduced fraction form.) c.) What is f(ac)? f(z) =
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1.Do male and female servers at Swank Bar work the same number of hours? A sample of 75 female servers worked an average of 31 hours per week, with a standard deviation of 4. A sample of 75 male servers worked an average of 32 hours per week, with a standard deviation of 5. Let? 1 ?1 and? 2 ?2 represent the typical number of hours worked by all
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Elige un agente que ordene la valoracin: dueo, accionistas en general, el fisco, sector comercial, etc.. Poner un nombre o asociacin ficticia y cargo

Normal human body temperature is 98.6 F. Researchers obtained body-temperature measurements on randomly chosen healthy people: 98.4, 98.6, 97.8, 98.8, 97.9, 99.0, 98.2, 98.8, 98.8, 99.0, 98.0, 99.2, 99.5, 99.4, 98.4, 99.1, 98.4, 97.6, 97.4, 97.5, 97.5, 98.8, 98.6, 100.0, 98.4. Are these measurements consistent with a population mean of 98.6 F?

B. Ciudades y pases hispanos. Investiga y completa estas frases con un comparativo de desigualdad: En Mxico, el puerto [commercial port] de Mrida es importante que el de Veracruz. Veracruz tiene habitantes que Mrida. La ciudad de Cuzco en Per est elevada que la ciudad de Santiago, en Chile. La poblacin de Buenos Aires tiene habitantes que la de

Let F n denote the n-th Fibonacci number. Recall that F n + 1 counts the number of paving of an n-board using monomers and dimers. Hence give combinatorial proofs of the following identity. k = 0 n /2 ( k n k ) = F n + 1

Rewrite the following equation to express P as a function of Q. Q = 20 - P Group of answer choices P = 20 + Q P = 20/Q P = Q - 20 P = 20

BSBMGT517 Manage Operational Plan 3.2 Become known as the premium luxury goods manufacturer in our product category 4.1 Become known as an employer of choice for highly skilled people 4.2 Become known as an employer of choice for highly skilled people
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I. The primary care physicians believe they are overworked and underpaid. Their association is demanding that the total compensation per primary care physician be increased and the expected workload of each primary care physician be reduced. Management believes that the following settlements are possible: Total comp Visits per MD per MD DEF year
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Use the following information to answer the next question A linear function y = f(x) has an x-intercept of -4 and a y-intercept of 9. The function undergoes the transformation y = f(x th), h 0. Compared to the function y = f(x), the transformation of y = f(x + h) will have _i to the x-intercept and ii to the y-intercept. Row ii O no change a
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10 points QUESTION 9 1. Time Warner could offer the History Channel (H) and Showtime (S) individually or as a bundle of both. Suppose the reservation prices of customers 1 and 2 (the highest prices they are willing to pay) are presented in the boxes below. The cost to Time Warner is $1 per customer for licensing fees. Preferences Showtime History
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Week 10 Implicit Differentiation Include your name and the names of the people in your group on your lab write-up. Each person will submit their own lab write-up, saved as a PDF to the online system. 1. (80 points) Demonstrate and Explains Clearly and thoroughly explain your answers to these questions based on the work you did with your group on
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Give examples of the following variables that influence illness. a. Internal variables: ___________________________________________________________________________ b. External variables: __________________________________________________________________________

Compare the following pair of numbers A and B in three ways. a. Find the ratio of A to B. b. Find the ratio of B to A. c. Complete the sentence: A is ____ percent of B. A equals 190 and B equals 480 a. The ratio of A to B is? ( integer or a simplified fraction.) b. The ratio of B to A is ? . ( integer or a simplified fraction.) c. A is _ percent

A poultry farmer is interested in reducing the cholesterol level in his marketable eggs. He wants to compare two different cholesterol-lowering drugs added to the hen's standard diet as well as an all-vegetarian diet. He assigns 20 of his hens to each of the three treatments DFG= DFE= DFT= numerator df denominator df

Simple Linear Regression Consider simple linear regression model: y = ax + b Given {{r.y )} =) .- {00} please verify that the optimal solution i given by: 'ILE:IE-T{ ~3)(w; 7) i'l.":-""{ ) ' b = .' "f1 where T and represent the mean value of & and @ respectively. (1)
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Consider the following scenario: The manager at a concert venue keeps track of the number of adult tickets and student tickets sold each day and the total money received. On Wednesday, a total of 74 tickets were sold, and the total money collected. Suppose adult tickets are sold for a certain amount and student tickets are sold for less than the

The following functions are defined in set notation. Please rewrite them using lambda notation and answer the following questions for each function. a. f:N{a,b} for every x N, f(x) = a if x is even, and f(x) = b if x is odd i. Function f in lambda notation

Note: make sure your handwriting is neat and understandable. You can encode your answers. Solve it MANUALLY. step by step. Thank you. \f\f\f\f\f\f\f
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How do you add a gradient to a dimension based on the measure amount for each category in a bar chart? Group of answer choices Use the measure option dropdown menu Drag a measure to Color under the Marks card Click on each bar to expand the options

True or False: Group of answer choices A correlation coefficient provides information about the direction and duration of the association between two variables [ Choose ] Looking at the scatterplot of a positive correlation, the dots form a pattern that extends from the bottom left to the upper right [ Choose ] If an association has many

A shop supervisor wants to understand his workers better. He hires a consultant who tells him that he should ask employees questions related to their lives if they feel comfortable answering these questions. Please use SPSS to analyze the following variables, develop appropriate figures and charts, and explain the results of each variable. Do not

This question is for an online discussion post. What practical applications are there for relations and graphs? Describe a scenario where you used a graph to help make a decision.

CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checkout lines. The channel showed news, short features, and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 7.5 \f
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6. Evaluation and Feedback (100-150 words) A. Discuss any feedback received from supervisors or colleagues. B. Explain how you addressed any areas for improvement identified during the placement
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26. A 300 feet high transmitting antenna has a gain of 10 dB. The receiving antenna is 60 feet high with a gain of 5 dB. The transmitter power is 140 Wat a frequency of 300 MHz. Calculate: (a) The maximum transmitting distance (b) The received power
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Two samples, each with n = 12 scores, have a pooled variance of 56.What is the estimated standard error for the sample mean difference? a. 3 b. 8 c. 10 d. 5

Geometry A Calculator 5 cm 3 cm What is the measure of angle C? Enter your answer as a decimal in the box. Round only your final B G 4 cm answer to the nearest hundredth. mLC
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Please i need help with this home work thank you Find all values of h such that y will be in the subspace of R* spanned by V1 . V2, Vg if v, = 2 4 V3 = 0 , and y = 6 8 h O A. all h# - 12 O B. h= - 32 O C. h= - 12 or 0 O D. h= - 12Find a basis for the set of vectors in R in the plane x- 5y + 2z=0. [Hint: Think of the equation as a "system" of
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Joey wants to build a rectangular garden. He plans to use a side of a river for one side of the garden, so he will not place fencing along this side of the garden. He has 92 yards of fencing material. What is the maximum area that will be enclosed? Enter your answer in the box. yd

Falstaff heads home after drinking nine beers at the local pub. Much worse for the wear, he is proceeding along at 28 MPH, just below the speed limit, within his lane of traffic, when a truck, going the other way, makes a sharp stop in the opposite lane. Moth, a 5 year old boy, is leaning over the side of the bed of the truck

1. Explain the functions of the SQLiteHelper class. (1 mark)
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Find the measure of \f
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Evaluate the limit using the appropriate Limit Law(s). (If an answer does not exist, enter DNE.) \f
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If you deposit $1800 in an account that pays 3.75% interest annually, how much will you have after 6 years

Reflect on the concepts of linear and non-linear systems. What concepts (only the names) did you need to accommodate the concept of linear and non-linear systems in your mind? What are the simplest linear system and non-linear system you can imagine? In your day to day, is there any occurring fact that can be interpreted as linear systems and

Due in 9 hours, 8 minutes. Due Sat 11/20/202 Convert the new ISBN-13 identification number 978-7928-59056-1 to its equivalent old ISBN-10. Enter your answer using dashes to separate the 10 digits/symbols as follows XXXX-Xxxxx-x. Get Help
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Question 8: In January 2005, a family's gasoline consumption (C) is 35 gallons per month and is increasing at a rate of 2.5 gallons per month. The price (P) of gasoline is 270 cents per gallon and is increasing at a rate of 5 cents per month. Let / is the measured in months and / = 0 is January 2005. Let C(t) describes the consumption of gasoline
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CH, R A1, of the product formed in this reaction. is the name
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