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Mathematics Questions and Answers October 08, 2021

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Sketch the graph of a function that has the properties described below. f left parenthesis negative 5 right parenthesisequals4; f prime left parenthesis x right parenthesisgreater than0 for x less than minus 5, f prime left parenthesis negative 5 right parenthesisgreater than0 and f prime left parenthesis x right parenthesisgreater than0 for x

What is the variable cost if you know that sales for the quarter have been $100,000 and the total variable cost for the month was $20,000? Take a quarter as your time frame.

Interest is compounded semienually. Find the amount in the account after the given tim m Rate of Interest Time 5 amount in the account is $|240
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Express f(x) in the form f(x) = (x - k)q(x) + r for the given value of k. f( x) = x + 5x4 + 10x + 8, k= -2
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To draw conclusions about a study population, researchers use samples that they assume truly represent the population. The confidence interval (CI) is among the most reliable indicators of the soundness of their assumption. A CI is the range of values within which the population value being studied is believed to fall. CIs are reported in the

Answer all please alpha represents 0 the probability the condence interval includes the unknown parameter Q the amount of sampling error 0 the probability the condence interval does not include the unknown parameter 0 one half the probability of error is of 50 If our P-value is really small, that indicates which of the following? (Select all that
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i need help with this work sheet an a 1it's d then t a dri I drive old. Name Stevie Lint Period Homework 2-3 Each conditional statement below is true. Write its converse. If the converse is also true, combine the statements as a biconditional. 1. D point B lies on AC. then AB + BC BLAC To start, determine the hypothesis (p) and conclusion (q) of
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Your friend tells you that recent study shows that the amount of advertising for an average popular music radio stationhas a mean of 10 minutes for every hour (60 minutes) with a standard deviation of 4 minutes. You listen to this station in Philadelphia for 2 hours and observe that the amount of advertising time is 10 minutes over the 120

Kevin is an auto mechanic. He spends 2 hours when he replaces the shocks on a car and 2 hours when he replaces the brakes. He works no more than 42 hours a week. He routinely completes at least 4 shocks replacements and 6 brake replacements a week. If he charges $450 for labor replacing shocks and $300 in labor for replacing brakes, how many jobs
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__ . Following the birth of a child, a parent wants to make an initial investment Po that will grow to $60,000 for the child's education at age 19. Interest is compounded continuously at 6%. _ What should the initial investment be? Such an amount is called the present value of $60,000 due 19 years from now. 1 The present value is about $D. T (Do
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angle theorem ales of a triangle are s to angle, then the 3" angks State a postulate or theorem that you could use to prove the triangles congruent. If you cannot apply postulate, write "none" 7. AAS S. 10. 9
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calculate the absolute change in world population between 17.3% and 15.5%

Probability Density Function Setup: LetX be uniform on[0, 1/2]. Find the Probability Density Function (PDF)f Y ( y ) of Y = X /(1? X ). Question: For0? y ? 1: f Y ( y )=? (Screenshot below): Let X be uniform on [0, 1/2]. Find the PDF fy (y) of Y = X/ (1 - X). For 0
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b. g. Solve the system using elimination. x + 2y = 1 4x +y = 11 9. Solve for x in the following matrix equation. 5x - 8 1 N 3 4m - 3 7m + 6 2 4 10. Find element a23 of matrix A, if A = 5 0 -6 N
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Please show your work. Show how the tutors got the answer and what formula the tutor used. Ryan wants to know if weather affects mood. To that end, he asks the same 15 people to rate their moods at three different times - when it is raining, when it is sunny and when it is snowing. The data follows. Does weather significantly affect mood?
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Statistical data, such as standard error and averages, are used in scientific experiments to Multiple choice question. confirm that the hypothesis is always true. evaluate experimental data. make connections among unrelated experiments. represent data with lines instead of numbers

CHAPTER 6 Practice . Pythagorean Theorem 59 Lesson 6.5 Find the length of each unknown side. 1. 2. 3. 11 yd 11 yd C 15 in. 8 in. CE C= 4. 5 cm 5. 15 0 6. 10V/2 cm 12 0 20 in. C 16 In. b
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*** (a) A fair coin is tossed and you win a dollar if there are more than 60% heads. Which is better: 10 tosses or 100 tosses) Explain. (b) As in (a), but you win the dollar if there are more than 40% heads. (c) As in (a), but you win the dollar if there are between 40% and 60% heads. (d) As in (a), but you win the dollar if there are exactly 50%

The graph shows the growth of a plant over a two month period. Determine the rate of change per day. h (61 .16 Height (cm) ONAMOONAD 20 40 60 t Time (days)
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Question 15 (1 point) Given the function f (z) = - 3 ((-(2z)) -6) - 3, if we were to write it in the form f (r) = a (x - h) " th. determine the value of each parameter: a, h, n and k in order. 24, -3, -3, -3 24, - 3, 3, -3 24, 3, 3, -3 O-24, -3, 3, - 3
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The following table relates the weights and heights of a group of individuals participating in an observational study. Weight/Height Tall Medium Short Totals Obese 18 28 14 Normal 20 51 28 Underweight 12 25 9 Totals a. Find the total for each row and column. [3 marks] b. Find the probability that a randomly chosen individual from this group is

1.The number of miles that a particular car can run before its battery wears out is exponentially distributed with an average of 10,000 miles. The owner of the car needs to take a 5000-mile trip. What is the probability that he will be able to complete the trip without having to replace the car battery? [At first glance, it might seem that a vital

The sum of a number and its square is 12. Find the number(s)
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Please help me thank you 8. Calculating the probability of a Type II error Suppose an architectural firm specializing in the structural restoration and renovation of historic homes and early barns is deciding whether to open a branch of the company in Wilmington, Vermont. Market research commissioned by the rm indicates that the Vermont location
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see attached While camping in northern regions, people oen keep food out of the reach of animals by hanging it between two trees. A food bag weighing 20 kg is tied (at the same vertical level) between two trees 9 m apart by two ropes that are both 6 m long. Determine the tension in each rope. (4 marks)
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please help me answer this workings, and show all workings too (!E - 8) (LZ
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semi 1001 examen 2.1 Resulta que en la empresa en la que ests trabajando implementarn un sistema de gestin de calidad. Esto trae consigo muchos cambios. Los equipos estn cmodos en una zona de comodidad, t tambin te sientes cmodo, pero el anuncio trae un poco de angustia a los compaeros debido a la preocupacin sobre cmo va a ser el proceso de

The federal government recently granted funds for a special program designed to reduce crime in high-crime areas. A study of the results of the program in high-crime areas of Miami, Florida, are being examined to test the effectiveness of the program. The difference in crimes reported is calculated as (crimes after - crimes before). You want to

As mentioned in the reading, the slope of the spectrometer data plot within the linear range gives the activity of the enzyme. If you set the linear curve fits on each graph the analysis data is displayed under the graph for you, rather than calculating by hand. (You are welcome to calculate your slope manually if you prefer.)

What is the minimum amount of time you should set aside regularly to study for a test? Question 12 options: a) 30 minutes b) 1 hour c) 90 minutes d) 2 hours e) 3 hours

5. a i) If A = 0 -3and B = -6 -1 42 5-2 Calculate B T (2A) = ii) Using matrix method ONLY solve the following equation x=-2y 2x+ 3y=1 b) Find the determinant of matrix M, where matrix M = 2-14 1-25 3-50

Patient ask the nurse what the generic name on a drug means

Set up a spreadsheet simulation model with 1,000 trials for which whether Pittsburg wins or loses each game is a random variable.Suppose for each game that the Steelers win, Steel City will spend $3,000 on a t-shirt giveaway following the game. What is the mean and standard deviation of the number of wins during the season? What is the mean and

help please Find the Area of the figure below, composed of an isosceles trapezoid and one semicircle. Rounded to the nearest tenths place 15 12 10
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Choose which of the following choices is a statistic. Select all that apply. Multiple select question. The current unemployment rate is 3.7 percent. I find corn and potatoes to be the two most appealing vegetables. Green plants use photosynthesis to make a simple sugar. The typical American spends $1,200 on fast food every year

For hypothesis testing questions, use the five-step hypothesis procedure to solve. Two Sample Hypothesis Testing 5. The Gibbs Baby Food Company wishes to compare the weight gain of infants using its brand versus its competitor's. A sample of 40 babies using the Gibbs products revealed a mean weight gain of 3.5 kg in the first three months after

For Problems 7-10, use the scenario described below. Family Not Family Of the 400 doctors who attended a conference, Total Medicine Medicine 240 practiced family medicine and 130 were from countries outside the United States. One- From US 160 third of the family medicine practitioners were Not 50 not from the United States. From US Total 400 7.
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To scale your index from 1 to 10, divide the highest index value by 1/10 of its value. ArcGIS

9 Find the perimeter and total area of the composite shape shown below. All measurements are given in inches. Use 71; = 3.14 in any formulas used. Perimeter = 52.56 inches, Area = 137.12 square inches Perimeter : 46.28 inches, Area : 137.12 square inches Perimeter = 52.56 inches, Area = 162.24 square inches 0 O O O Perimeter = 65.12 inches, Area =
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you calculate that you can buy 5.4 cans of paint for a project. How many cans should you but

Let U = {4,6,8,9,12,13, 17,18} A = (9,13,17,18} B = {8,17,18} Apply DeMorgan's Law 1 to show that (AnB)' = A'UB'. To show that (AnB)' = A'UB', first find AnB. AnB = (Type a whole number. Use a comma to separate answers as needed.)
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If you can't see some of the questions let me know ! Question 1 Given the following characteristics, select the function family that is described. Find the following characteristics about the linear function / (=) = fx + 18. Shape: single curve End Behavior: both ends same x-intercept: Domain: all real numbers Range: depends on curve Y-intercept:
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Please explain step by step, Thank you! 2. In the process of evolutionary optimization, when two solutions are compared, the one with better fitness (i.e. higher objective function value) is kept and the other solution is discarded. When there is a noise in the fitness function evaluation, solutions are evaluated a number of times, and the
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Testing: Ho: = 3.485 H1: >3.485 Your sample consists of 47 subjects, with a mean of 5.3 and standard deviation of 4.43. Calculate the test statistic, rounded to 2 decimal places. t =_________

1. Assuming repetitions are allowed, how many custom tag numbers are possible? 2. Assuming repetitions are not allowed, how many custom tag numbers are possible? 3. Assuming repetitions are not allowed and there must be exactly three letters, how many custom tag numbers are possible? 4. Assuming repetitions are not allowed and there must be
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K-Means Drawbacks 0/1 point (graded) Which of the following are drawbacks of the K-means algorithm with Euclidean distance (as presented so far in this lecture)? Select all those apply. Does not scale well to large datasets Manual choice of Not robust to outliers Does not scale well with increasing number of dimensions incorrect

Application is a cognitive process in which students: Question 6 options: figure out which operation to use to solve a word problem. identify meaningful relations or connections between math functions. take a problem or idea in one form and represent it in another form. use previously learned concepts in related, but somewhat different problems

YOu can type it if you want but I just need the correct answers. Calculate the Effective Annual Yield for an account paying 5.2% compounded weekly. Round to the nearest hundredth of a percent Review effective annual yield here. 5.36% 1.5% 5.33% O 5.72%What would the running balance be on June 4 for the data given below, if there is a previous
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Solve the initial value problem. (dy/dx)=(x-5)(y-9), Y(0)=8 Express your solution in explicit form.

Please help. I promise to give good feedback. Thank you! MODULE 4: Illustrating the SAS, ASA, and SSS Congruence Postulates Directions: Make an illustration showing congruent triangles in real life. Select one triangle congruence postulate and put markings on congruent angles and sides to show the chosen postulate
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Question 19 5 pts Find the flow inside a pipe with diameter d=1 inch, if the speed of the flow is 10 m/sec. O 1.11 x 10-3_ am seg O 9.15 x 10-3 seg O 5.07 x 10-3_ m3 seg O 3 m3 5.07 x 103_ seg Question 20 5 pts If an object of a 3.5 kg mass is submerged in ethanol (p = 810 kg/m3), what is its volume? 231.4 m3 0 4.3 m3 2853 m3 4.3 x 10-3 m3
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Determine whether the given statement is true or false, and indicate why this is so. 3 | 6335 Question content area bottom Part 1 Choose the correct answer below. A. No, because the last digit is not a 3, 6, or 9. B. Yes, because the sum of the digits is divisible by 3. C. Yes, because the last digit is a 3, 6, or 9. D. No, because the sum of the

Adult male heights are on average 70 inches (5'10) with a standard deviation of 4 inches. Adult women are on average a bit shorter and less variable in height with a mean height of 65 inches (5'5) and standard deviation of 3.5 inches. If we took a large sample of men and women's heights and graphed the frequency of the heights we'd see something
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Exploratory Data Analysis (Hartwig and Dearing text) 1.Distinguish between exploratory data analysis and confirmatory data analysis 2.Distinguish between the rough and the smooth of a data set. 3.What is the defining characteristic of a resistant statistic? 4.What makes the mean (and standard deviation) non-resistant? 5.What are the resistant

1. Prove that for all sets A; and B and n E Z, n > 1, the following holds: n n n (2) U(AB)=(UA.) \\ B; (b) i=1 i=1 i=1 i=1
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How would I solve this? Part C Find the height y; from which the rock was launched. Express your answer in meters to three significant figures. View Available Hint(s) - Hint 1. How to approach the problem The time At needed to move horizontally to the final position If = d = 18.5 m is the same time needed for the rock to rise from the initial
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This is not working out... I can get all of them except for the 3 period weighted averages - please help me with my formula... Answers written in red are the correct ones... \f
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Which of the following is true of the Hessian below: Row 1 (1,4,8) Row 2 (6,2,7) Row 3 (9,5,3) a) It is positive semidefinite b) It is negative semidefinite c) It is positive definite d) It is negative semidefinite e) t is indefinite

Objective: Consider the problem of Multivitamin Optimization. There are four different forms of multivitamins: Gummies, Tablets, Capsules, and Syrup. The objective is to find a minimum-cost multivitamin combination that contains at least 600 mcg of Vitamin-A, at least 7 gram of Vegetables, at least 10 gram of Fruit, and at least 8 mg of Iron

Hello I am unsure of how to do the following: Find the scalar equations of the following planes; 3. A plane has the scalar equation 3x - 2y + 5z + 8 = 0. Give the scalar equation of a plane that is a. Parallel to the original plane, but has different values for A, B, and C b. Perpendicular to the original plane Include a LanGraph of your planes
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Please answer step by step so that I can follow, Thank you! 3. A rural county presently uses Asphalt A to pave its highways, but is considering using the more expensive Asphalt B (which is reported to be more durable). The two types of asphalt are tested using 200m test strips on ve different two-lane highways. On each test strip, a randomly
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Calculwon the providence diajom gion below and ordway the following quundone 1. The sort out start date of Activity Kis 2. The free flout of Acchicy His 3. The socal Root of Activity A is A D 5 K ........ B E G Start L End F H (Note: the number under each box represents the duration of the activity)
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2.85? points QUESTION 5 . A company issues 1o,ooo shares of its own $1113 par value common stock to the public for $19 per share. Later. LUBE} of these shares are bought for $21 per share as treasury stock. Which of the following statements is true
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The Mills Corporation was started several years ago and incorporated in the state of Delaware. The company was granted the authorization to issue 250,000 shares of $10 per share par yalue common stock. At that timer 30,000 shares were issued for cash of $12 per share. Last year. another 10,000 shares were issued for cash of $10 per share. Early in
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You have been asked to test a new formula for an energy drink against the old formula. You gather two groups. Group 1 is given the new formula. Group 2 is given the old formula. You ask both groups to rate their energy level on a scale from 0 to 10, with 0 meaning "very tired" and 10 being "very energetic." The descriptive statistics are below.

Find the least common multiple of 60 and 40. Question content area bottom Part 1 The least common multiple of 60 and 40 is enter your response here

This exercise uses the radioactive decay model. Radium-221 has a half-life of 30 sec. How long will it take for85%of a sample to decay? (Round your answer to the nearest whole number.) sec

(z) =12 -9 A restriction on the domain of f(x) = x- -9, so that f (x) is also a function, could be O [-3,3] O [-9,9] O (-8,0] O [-3,90)
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Write fictional statement (subjective) and a factual statement (empirical) about What is believed to be the greatest health cost today and why? Your factual statement must be supported with reliable and credible (empirical) sources and citations.

Q . Wed 15 Nov 2:35 pm Chrome File Edit View History Bookmarks Profiles Tab Window Help Homework Help - Q&A fr 1, Take-home Online Exam X jl, Take Test: Final Exam _ C x , Take Test: Final Exam _C X , Learning Modules - CIVL X Home | Microsoft 365 O TP O L Relaunch to update C
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The board of trustees needed to decide on which plan to put on the ballot in the bond election. Suppose that the board members ranked their choices, with the results shown in the preference schedule below. 3 votes 3 votes 1 vote 1st Choice A B C 2nd Choice B A A 3rd Choice C C B Part A: Using the Borda Count method, how many total points were

b)(i) Describe R1 by using horizontal cross-section ii)Describe R1 by using vertical cross-sections iii)Describe R2 by using vertical cross-sections iv)Describe R2 by using horizontal cross-sections Region: function question The region R = R, UR, is the union of the following two subregions: . subregion R1 which is the triangle ABC, and .
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Olivia decided to look at utility costs for each of her potential new homes. As she graphed the data, she noticed there was a tail on the right side of the graph. Which of the following statements would NOT be a characteristic of Olivia's graph? a.) The tail in Olivia's graph is situated to the left of the median. b.) The data in Olivia's graph is

5. Let V be the vector space spanned by the two functions cos(1') and sin(3:). Find the matrix A of the linear transformation T( f (3)) = f\" (as) + 2 f' (3:) + 6 f (9:) from V into itself with respect to the basis B : cos(a:), sin(3:)
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Find average rate if change Find the average rate of change of g() = - 2x + 4 from a = - 3 to x = 3. Submit
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Explain the difference between interior and exterior angles of a polygon. Identify two theorems related to angles of a polygon and give an example of an application of each.

The graph of a function fis a parabola opening downward, with its vertex on the x- axis. The graph of a new function g. where g (x) = 3f (x) , will have: O a different domain, but the same range as f O the same domain, but a different range than f O the same domain and the same range as f O a different domain and a different range than f
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Question: Throughout this question, show your working and leave your answer in a clear from. Of those reporting to a medical clinic, 1% have medical condition Z. It is assumed that this figure of 1% is also the base rate across the population. There is a test for condition Z such that, for those patients who have condition Z, 90% will test

Obtain the Fourier integral of the following function. Obtain the Fourier integral of the following function. - - at=0 f (x) = 1 Ostsa C otherwise
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Please help me with #3, parts a-c.Please check that the answer I provided for a is correct. I am not sure how to start b, so please give step-by-step guidance with that. And for c, I started, but got stuck. So please also give step-by-step guidance with that.Thanks! Exponential FUNctions 3. The beanstalk Jack planted with magic beans is 4 inches
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The sample standard deviation of the differences between the pretreatment and posttreatment KPS scores is 10.787. Using a 0.05 significance level, you need to test the claim that interventional bronchoscopic therapy improves functional impairment, i.e., that the KPS score is higher after the therapy. Pretreatment (%) --> 90; 80; 90; 90; 90; 90;

What kind of bills can usually be set up to draft out of your bank account so that they will be paid every month on time? Choose the seven answers that apply. Please do not guess, as incorrect answers are penalized for this question type. What kind of bills can usually be set up to draft out of your bank account so that they will be paid every

1 Prove that the following are vector spaces over the reals. (i) The space F(X) of all functions f : X R from an arbitrary set X (not necessarily a vector space!) into R, with addition and scalar multiplication defined pointwise, i.e., (f g)(x) := f(x) g(x) and (f)(x) := f(x) for any two f, g : X R and for any R. (ii) The space of rational

For a meaningful analysis, a contingency table should have the Question 19 options: a) Independent variable on top and dependent variable on the side b) Independent variable on the side and dependent variable on top c) Independent variable on top and dependent variable on top d) Both independent and dependent variables on the side e) None of the

duke ellington is credited with composing approximately __________ songs

When doing calculations with excel and finding the confidence interval, when do I use the function CONFIDENCE.NORM or CONFIDENCE.T

CACITIE tTe Tomowmy table. X y N 8 -3 -7 4 14 17 -1 -1 Which graph corresponds to this table?25 20 15 10 5 O -10 -8 -6 -4 -2 X 2 4 6 8 10 -5 -10 -15 -20 -2525 20 15 10 5 -10 -8 -6 -4 -2 O 2 X 4 6 8 10 -5 -10 -15 -20 -25\fy 25 20 15 10 5 X -10 -8 -6 -4 -2 0 2 4 6 8 10 -5 -10 -15 -20 -25
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please help Laurent series problem Find the Laurent series of f(z) = ez / 23, about the origin. Find the Laurent series of f(z) = 1/(22 + 1), about z = i. [Hint: Write f(z) = (1/(z -i)) . (1/(z + i)), and try to express 1/(z + i) as a power series in z
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Plzz solve..Thank u C. Assume that you are a member of the asset-liability management (ALM) committee of PMK Bank. You have collected following information, based on which you are requested to write a short report to the committee comparing the probability of book value insolvency of PMK Bank with the competitor PTY Bank. [5 marks] PMK Bank PTY
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Classic Coverings is a well established company with thousands of employees and they want to estimate the average age of their workers. A sample of 196 employees was taken. Assuming the population has a standard deviation of 9.5, we want to find a 99% confidence interval for the population mean. a) What is the value of ? For full marks your answer

The graph of a limacon curve is given. Without using your graphing calculator, determine which equation is correct for the graph. [-5, 5] by [-5, 5] \f
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Enumeration (5 items x 2 points) Expound the necessary computer acronym terms: 1. ISA - _________________________________________________________ 2. VESA - _________________________________________________________ 3. SCSI - _________________________________________________________ 4. PCMCIA -

Let u = [2,2,0], v = [0,2,0]. Find the angle between the vectors u and v

Which statement best describes this object? a. Its patterns are derived from the materials it is created from. b. It uses only geometric patterns. c. It has texture rather than patterns. d. It has patterns derived from natural forms

The National AIDS Behavioral Surveys interviewed a sample of adults in the cities where AIDS is most common. This sample included 803 heterosexuals who reported having more than one sexual partner in the past year. We can consider this an SRS of size 803 from the population of all heterosexuals in high-risk cities who have multiple partners. These

Evaluate the integral and a summary on how you was able to evaluate it. x l n 1 0 x d x

12. A building casts a shadow that is 48 feet long. At the same time a person who is 6 feet tall casts a 4-foot shadow. What is the height of the building? h=
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During a clinical trial on seasonal allergy, a pharmaceutical company obtains the following data about the undesirable effects of the type of medication administered to patients. \f
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Suppose you have magically changed places with the professor teaching this course and that you have just administered an examination that consists of 100 multiple-choice items (where 1 point is awarded for each correct answer). The distribution of scores for the 25 students enrolled in your class could theoretically range from 0 (none correct) to

Hi! I am not sure how to answer this problem at the bottom. Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 195, with a standard deviation of 34 (the units are milligrams per deciliter). A simple random sample of 103 adults is chosen. Use the TI-84 calculator. Round the answers to four decimal places. What is the
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