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Mathematics Questions and Answers August 22, 2021

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1. Let f(x) = -1 , 0
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2. Solve the differential equation 2x y"-xy'+(x+1)y =0 by means of a proper power series about the origin. Find the recurrence relation as well as the radius of convergence
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Hi tutor please give correct answer for clarification. Thank you. Find the starting deposit (lump sum) needed for the savings plan. Round to the nearest cent. Points: 2 29) Barbara knows that she will need to buy a new car in 6 years. The car will cost $15,000 by then. How much should she invest now at 6%, compounded quarterly, so that she will
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Write the converse, inverse, and contrapositive of the statement. If you vacuum the rug comma you can play video games. Question content area bottom Part 1 Identify the converse statement. A.If you cannot play video games comma then you vacuum the rug. If you cannot play video games comma then you vacuum the rug. B.If you can play video games

Match the following Question 16 options: nonrepresentative data due to chance flawed sampling method 1. Sampling Noise 2. Sampling Bias

Find any relative extrema of the function. List each extremum along with the x-value at which it occurs. Identify intervals over which the function is increasing and over which it is decreasing. Then sketch a graph of the function. Fx)=1-3x Describe any relative extrema. Select the correct choice below and, if necessary, fill in the answer box(es)
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A golf ball is selected at random from a golf bag if the golf bag contains 6 type A balls, 5 type B balls, and 7 type C balls, Find the probability that the golfball is not a type A ball 2.8 The probability that the golf ball is not a type A ball is pe (Type an integer or decimal rounded to three decimal places as needed.) tion
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adha is investing the relationship between the P(psi) 20 30 40 50 60 70 80 olume, V, and pressure, P, of a gas, In a V(ft.3) 86 55 45 32 27 23 18 boratory, she conducts the following experiment. While holding the temperature of a gas constant, she varies the pressure and measures the corresponding volume The data that she collects appears in the
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help me solve this 21. A ternary tree is a tree where every parent node has (at most) three child nodes. For example, the following are ternary trees. Give a recursive definition for a ternary tree
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I need help with this ASAP X 3 2. Determine whether the polygons are similar. If they are, write a similarity statement and find the scale factor
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How can I find the least squares line and should the regression line be used to predict the final grade of a student with verbal score of 100? (1 point) A study was conducted to detemine whether a the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered
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An analysis of variances produces df between treatments = 2 and df within treatments = 24. For this analysis, what is df total ?

Maria has a stack of 60 playing cards that she want to place into equal groups. Use numbers below to show four different ways Maria could group the cards. 2, 3, 4, 5, 6, 7, 10, 12, 5, 18, 20 Part A Answer_______ groups of ______cards _______groups of _______cards _______groups of_______cards _______groups of _______cards Part B Maria removes some

Can you determine the instantaneous Rate of Change at x=A for the composite function c(x) (choose the value of A in the domain of the function). Is the function increasing at that point ? How do you know ? ( please do not use e or ln , differentiation, integration) ((X ) - R (PEX ) ) Z ( X + 3 ) +3 ( x + 3 ) - I ( x + 2. 3 ) +2 4 OX - 2. 8
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The magnitude of an earthquake, measured on the Rut her scale, is log10...... ke, measured on the Richter scale, is log 10 7, where / is the amplitude registered on a seismogra litude of a certain (small) size. Find the Richter scale rating for an amplitude of 100,000,000/ on the Richter scale) is answer box. 1 - 32 of 32
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What's the overall observation. B. Grassland Set. Trial Starting % Grey Starting % Brown Ending % Grey Ending % Brown 1 48% 52% 48% 52% 2 46% 54% 44% 56% Average 47% 53% 46% 54% Overall Observation

Just Final answer Required ASAP. Please Justified answers The digraph on the right is the same as the digraph of the previous question. What is the number of paths of length 3 from vertex 4 to vertex 4 in this digraph? 2 O O 1811611219141 O
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Please answer both 5) Set up a model for the taxes paid by a taxpayer whose exemptions are $2,500 and whose A income after exemptions are deducted is taxed at a flat rate of 7.5%. 191to Aned A (At What does the taxpayer pay on gross income of $48,000? sonsled entine debom isenil-Galwebsiq s as Qu nousulle airli fee (s 16) For the data below, the
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Evaluate(gf) (7), given that: f (6) = 7 f ' (6) = 7 f (7) = 7, f ' (7) = 7 f (8) = 8, f ' (8) = 7 g (6) = 6, g ' (6) = 8 g (7) = 6, g ' (7) = 8 g (8) = 8, g ' (8) = 8

What are the exact steps to show that a matrix has no inverse? for example a 2x2 matrix

A. Write the missing term/s in the given series of numbers. 1. Find the next three terms in: -14, -10, -6, -2, ? , ? , 2 . 2. Find the 35" term in the arithmetic sequence 3, 9, 15, 21, ? . 3. Find the next two terms in the sequence: 5, 2, 8, 3, 11, 4, 14, 5, 17, 6, ? 4. Find the next number: 2, 3, 4, 6, 6, 9, 8, ? . 5. What should become in place
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Question 9, 3.5.55 HW Score: 84.62%, 11 of 13 Part 1 of 3 points O Points: 0 of 1 Save Identify any vertical, horizontal, or oblique asymptotes in Identify any vertical asymptotes. Select the the graph of y = f(x). State the domain of f. correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. There is only
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Adding and subtracting decimals 12.6- 12, 284-3.542
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hi im having issues with the following problem: Determine the first three non-zero terms in the Taylor polynomial approximation for the initial value problem: y"+sin(y)=0, y(0)=1, y'(0)=0 any help is greatly appreciated. please provide step-by-step solutions.

the movement of a particle from time t=0 to t=3 is given by the equation s(t) = 5t^2-4t-2 what is the average velocity of the particle between t=0 and t=3? what is the instantaneous velocity of the particle at t=3? what is the acceleration of the particle at t=3?

A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Beforetreatment, 23 subjects had a mean wake time of 101.0 min. Aftertreatment, the 23 subjects had a mean wake time of 97.1 min and a standard deviation of 21.3 min. Assume that the 23 sample values appear to be from a normally distributed

Determine any reasonable source(s) of bias. Explain your answers. 3. A bank sent out questionnaires to a simple random sample of 500 customers asking whether they would like the bank to extend its hours. Of the 500 questionnaires sent out, 20 were returned and 80% indicated that they would like the bank to extend their hours. 4. The Springfield

A market researcher wishes to assess consumers' preference amongthree different colors available on a name-brand household washing machine. The following frequencies were observed from a random sample of 141 recent sales: Color Tan White Blue Total Frequency 55 41 45 141 The Chi-squared test is

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Hi tutor can you confirm my answers are correct? Round dollars to the nearest cent and rates to the nearest hundredth of a percent. Points: 2 28) A bank features a savings account that has an annual percentage rate of 2.2% with interest compounded quarterly Josiah deposits $9,500.00 into the account. How much will Josiah have in the account in one
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A vitamin has a height of 9 millimeters and a radius of 4 millimeters as shown. 4 mm 9 mm What is the total volume, in cubic millimeters, of the vitamin? Round to nearest hundredths- two decima places. mm Enter an integer or decimal number [more..] Submit
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Hey i need help with this assessment please. I must achieve near full marks if possible! 1. Suppose that a friend gives us the chance to participate in a game. The game is as follows. There is a bucket containing 30 blue tokens, 21 orange tokens and 27 red tokens. We are to blindly reach into the bucket and randomly choose one token. Keeping this
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ASSIGNMENT STATISTICS 1. Complete the following table. [1 mark each] Annual Sa1a1 Weekl Earnins Monthl Earninos w_ -_ 2. Mary and John own a home. The costs of maintaining their home are as follows: Mortgage $885.42 per month Taxes $3256.98 per year Heating $1025 per year Electricity $ 38 biweekly , Telephone $ 32 per month Cable $ 62.33 per month
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Please answer and show work: Find the steady-state vector. [0 0.5 0.257 1 0 0.25 0 0.5 0.5 O Question 3 (1 point) Which of the following is NOT a linear transformation. OF : R - R; T(I) =12 OTC-CT(2) = OT:R2 -R2: Tix, vi=(x -yl OT : Man - Man; T(A) = AT + A
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Suppose that the functions g and fare defined as follows. g (x) = (x-2) (x+4) f(x)=-4x+1 (a) Find ( $ ) ( - 2). (b) Find all values that are NOT in the domain of 109 If there is more than one value, separate them with commas. (2 ) (-2) = 10 (b) Value(s) that are NOT in the domain of
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MTH220Assignments4.3 Assignment: Engineering Applied Exercise Consider the equation x sin x = 5, or in the notation above x sin x - 5 = 0

Las mquinas 1, 2, 3 y 4 estn ubicadas en los puntos (8, 5), (4, 2), (11, 8) y (13, 2), respectivamente. Hay 9, 6, 4 y 12. viajes por semana, respectivamente, entre las mquinas y una nueva instalacin. Encuentre la ubicacin de las nuevas instalaciones. En el ejemplo 1, dibuje los diagramas de fuerza resultantes para x e y

(c) What is your best estimate for the equation of your line? O G = -0.0122t + 2.0383 O G = 0.0125t - 10.3250 O G = 0.0058t + 2.9060 O G = 0.1855t + 5.8392 O G = 0.0228t - 28.9340 (d) Use this line to estimate, algebraically, the average global temperature (in .C) in 2048, assuming that the trend continues. (Round your answer to one decimal
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MicroProducts, Incorporated (MPI), manufactures printed circuit boards for a major PC manufacturer. Before a board is sent to the customer, three key components must be tested. These components can be tested in any order. If any of the components fail, the entire board must be scrapped. The costs of testing the three components are provided in the

Tom wishes to purchase a property that's been valued at $470,000. He has 10% of this amount available as a cash deposit and will require a mortgage for the remaining amount. The bank offers him a 30-year mortgage at 2.75% interest. Calculate the total interest Tom will pay over the lifetime of the loan. Round your answer to the nearest dollar. Do

Let B = Find a non-zero 2 x 2 matrix A such that A = B. A = Hint: Let A = and then set up and solve a system of equations involving a, b, c, and d. C
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Find the average rate of change of the function over the given interval. Section 2.1. 1) g() = sin(30), [0,] Find all points of the domain where the function is discontinuous and list intervals where it is continuous. 11)
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Let A be a nite set, and B a subset of A. Let Stab(B), the stabilizer of B, be the set of all permutations f with the property that for all at E B , f (as) E B. Prove that Stab(B) is a subgroup of SA
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4 -I - I f z 3 Calculate the following limits. Enter "DNE" if the limit does not exist. Jim f(3) = lim lim f(3)
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please solve Write an equation for the degree-four polynomial graphed below
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How many milliliters of a soft drink are contained in a 12.0-oz can? Given that 1 mL=0.033814 oz. mL

For parts a) and b), assume that the meanofcomposite ACT scores is 20 and the standard deviation is 6.(Note: the ACT is a common standardized test used for college admissions decisions.) 1310 PM Wed Dec 9 '3 96% - learnus-east1-prod-fleet02xythos.content.blackboardcdn.com a) You have a hypothesis that amount of time spent studying has a linear
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Which statement best describes the natural state of sandy beaches? Multiple choice question. Generally they grow with time as new sand is pushed onshore. They are in a constant state of flux (erosion and deposition). They are relatively stable features with little erosion

A restaurant offers a special pizza with any5toppings. If the restaurant has13toppings from which to choose, how many different special pizzas are possible?

Prove that for all integers a, b, c and n, with n > 1, if a b (mod n) and b c (mod n) then a c (mod n). Please write detailed proof.

Think of 3 things you see daily that you would describe in terms of its length or distance: 1 short, 1 medium, and 1 long. Think of 3 things you see daily that you would describe in terms of its height or thickness or elevation: 1 short, 1 medium, and 1 tall. Think of 3 things you see daily that you would describe in terms of its mass: 1 light, 1

Ap Stats free response questions. Please explain. Question 6 (10 points) (07.01 MC) Researchers fed mice a specific amount of Dieldrin, a poisonous pesticide, and studied their nervous systems to find out why Dieldrin causes seizures. The absolute refractory period, time required for nerves to recover after a stimulus, was measured and varies
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Chi square analysis is used to Group of answer choices determine whether a statistical relationship exists between a categorical independent variable and a continuous dependent variable determine whether a statistical relationship exists between a continuous dependent variable and one or more continuous or categorical independent variables

Please help I need correct answer steps by step and final answer Some of the questions in this assignment (including this question) will require you to input matrices as solutions. To do this you will need to use a basic Maple command Matrix. Here are two examples to show you how to use the command. To input the following matrix: Use the Maple
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Arrival times of poisson process The arrival times of customers in a bakery can be modeled by a Poisson process (NtltBO with some rate A > 0. On average, there are four arrivals per unit of time. (i) Find the value of A. (ii) Compute the probability of the following event: {the second customer arrives before time 2, two customers arrive during [4,
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The equations for this system are below. y = 2x + 2 y = ?x - 3 What is the missing number? The solution is
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Can you help me solve this question and understand how you solved it? Assignment 5 - Winter 2020: Problem 2 (1 point) Suppose that 4 g f' (x) S 6 for all values of as. Use the Mean Value Theorem to find values for the inequality below. Answer: 55! g f(10) f(2) S 55
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Fill in the Blank Question Fill in the blank question. The probability that a customer will have to wait in queue longer than a certain threshold can be determined because the waiting time in queue is a variable with a probability distribution that can be calculated

what term refers to an insurance made to study participants that no one including the researchers will be able to link data to a specific individual

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answer the following questions from quizlet carefully. 1.Real estate is not core income rather a factor in income production (20% cost) Specific needs of property for business? 2. CREM considerations Software company 3. CREM considerations Software company 4. Ties up a lot capital buy vs leasing strategic decision about the future of the business

1.Find out the average , median and mode (if any) of the following sample: 35, 82, 83, 90, 77, 84,92,77,83, 81

A scientist has two solutions which she has labeled "solution A" and "solution B". Each contains salt. She knows that solution A is 40% salt and Solution B is 85% salt. She wants to obtain 120 ounces of a mixture that is 70% salt. How many ounces of each solution should the scientist use?

Is it possible to have a quadratic function that has the entire real line as range? If Yes, draw an example. If No, explain why not

Name MAT1205 Due Date Week 9 Homework You must show all supporting work on each problem for full credit. Final answers should be written on the answer line provided. Typed homework will not be accepted. 1.) A patient is on a special diet to help them gain weight. After starting at 113 pounds, the patient now weighs 137 pounds in their most recent

Suppose 42% of the population of a certain city support candidate A for mayor. Fifty people in the city are randomly selected and surveyed. What is the probability that at most 15 of the people surveyed support candidate A? Round answer to 4 decimal places. A) .0293 B) .9443 C) .0557 D) .0264 E) None of the above 2.Suppose 42% of the population of

In this activity, you will create quadratic inequalities in one variable and use them to solve problems. Read this scenario, and then use the information to answer the questions that follow. Noah manages a buffet at a local restaurant. He charges $10 for the buffet. On average, 16 customers choose the buffet as their meal every hour. After

n a recent year, the average daily circulation of the Wall Street Journal was 2,276,207. Suppose the standard deviation is 70,940. Assume the paper's daily circulation is normally distributed. (a) On what percentage of days would circulation pass 1,799,000? (b) Suppose the paper cannot support the fixed expenses of a full-production setup if the

Write the converse, inverse, and contrapositive of the statement. If you eat your vegetables comma you can have dessert. Question content area bottom Part 1 Identify the converse statement. A.If you cannot have dessert comma then you did not eat your vegetables. If you cannot have dessert comma then you did not eat your vegetables. B.If you cannot

Vandelay Industries has 252 sales reps in order to sell its latex products, each to be assigned to one of four marketing teams. If the first team is to have three times as many members as the second team and the third team is to have twice as many members as the fourth team, how can the members be distributed among the teams?

Find an equation for the tangent to the curve at the given point. Use Limits. Do not use rules of differentiation. 1) f(x)= w, (25, 30) Solve the problem. 2) The graph of y : f(x) in the accompanying gure is made of line segments joined end to end. Graph the derivative of f. Find the derivative of the function by rst expanding or simplifying the
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The Lawnpoke Golf Association (LGA) has established rules that manufactures of golf equipment must meet for their products to be acceptable for LGA events. BatOutaHell Balls uses a proprietary process to produce balls with a mean distances of 295 yards. BatOutaHell is concerned that if the mean distance falls below 295 yards, the word will get out

You are asked to calculate the number of coconut palms for Rabi island and you have very high resolution image data already rectified to Fiji Map Grid. Which step you perform with your team? A. Stratify the Rabi area into three coconut palm densities, where a grid overlay assists. B. Select in a statistically sound systematic approach grid cells.

In a hypothesis test for the Pearson correlation coefficient, the null hypothesis is rejected when ___. r < p < p = 0

(Please help! I don't understand! :( ) Determine the interval(s) on which the function is (strictly) increasing. Put the answer as an interval or list of intervals. When writing a list of intervals, make sure to separate each interval with a comma and to use as few intervals as possible. Click on "None" if applicable. Determine the interval(s) on
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'i- The scores of all females' math test writing in June 2012 had a mean of 63 [tn percent}. Assume that these scores can be modeled by the Normal distribution with a standard deviation of 1D (in percent). a] What percentage of females writing the math test had scores above T596? b] What math score represents the 96% percentile? c} What is the
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In the standard (:13, y) coordinate plane, what are the coordinates of the midpoint of the line segment connecting (2, 7) and (5, 7)
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Find the range of the function: f ( x ) = ( x + 2 ) / ( x 2 + 2 x 3 ) . Explain your solution.

need help ............. 1. Consider the differential equation xy" - 2y + (at 2 ) =42. (a) Verify that y1 = x sina and y2 = x cos x are solutions to the corre- sponding homogeneous equation. (b) Use variation of parameters to find a particular solution to this equa- tion. (c) What is the general solution? 2. Solve y" - 3y' + 2y = sin(2x + 1) using
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50 part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Courses | Frequency|Relative Frequency | Cumulative Frequency 14 0.28 18 a. Complete the table. b. What percent of students take exactly one course? 1 Ages Number of students 15-18 2 19-22 6 23-26 5 27-30 4 31-34 10 35-38 10
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If Amount of RM1 per annum for 15 years @ 10% is 31.7725, calculate the Annual Sinking Fund for 15 years @ 10%.

indica. 1) tan 0; (3, 4) 2) sec 0; (-2, -21/3) 3) cos 0; (2, - V5) 4) cot 0; (-V17, 8) 5) sin 0; (V13, -6) 6) csc 0; (-4, -21/5) Halle el valor exacto de cada funcion trigonometrica. 7) sin - 3 TC 8) csc 2 9) cos - 10) cot- 4 7 6 3 11) tan 12) sec 3
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In late 2013, Asif Saeed, the head of human resources (HR) at Attock Refinery Limited (ARL), was trying to evaluate the company's existing performance appraisal system in the context of the forthcoming refinery expansion project as well as looming changes in industry dynamics. Since 1970, the performance management system (PMS) at ARL had
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A ball is thrown from an initial height of4 feet with an initial upward velocity of 33 fr/s. The ball's height h (in feet) after 1 seconds is given by the following. _ 2 h 7 4 + 331" 161' Find all values of r for which the ball's height is 20 feet. Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the "or"
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M&M Analysis: Tools of Quality Assignment Part #1 After completing the videos and readings included in the Six Sigma Quality module, you should have a basic understanding of how to use the seven tools of quality. This exercise will allow you to apply what you have learned to an M&M quality study. This assignment includes an Excel spreadsheet that
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Suppose that X and Y have joint distribution fxy(x, y) = 8xy 0
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Please show a diagram , define any variables, state formula, theorem, equation used. As well as show substitutions or steps in solving the equation. s ( x ) = p(x )te ( x ) S(x ) = (-X +1. 7 )- 0. 7 + 2 0 X +4) +3 (X+3 ) - 1 ( x + 3 ) + 2 Using the Sum of two functions , state the Local max OR Local minimum. Justify your answer with reference to
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a random sample of 64 1st graders (n=64) produced a sample mean (x bar) =14 on a rest of mathematical comprehension. for the sample standard deviation (s-hat)=2.00. establish a 95% confidence interval about the mean

Determine whether the integral converges or diverges. If it converges, find its value. If it diverges, state why. a. 1 2 ( x + 1 ) 2 x d x b. 1 2 x x 2 1 1 d x c. 1 x 6 l n ( x ) d x d. 2 3 x 4 d x e. 1 x 2 s i n x d x

A doctor states that preschoolers in the 7th percentile may be deemed underweight. Calculate the maximum weight that places a preschooler in the 7th percentile for weight. Thus, calculate the weight where 7% of preschoolers weigh less than this value.Draw a picture of the shaded area. mean - 30.05 Standard Dev - 3.85 Find the 7% (7th percentile)

If specific hypotheses to particular research questions are required, which of the following would be most appropriate? a. Contrasts b. Post hoc tests c. Multiple t -tests d. The ANOVA result alone is sufficient.

Please write a program in SAS STUDIO With explanatio. THANK YOU! 4. Elvis Presley was born on January 8, 1935 and died August 16, 1977. Based on this information, complete the following: a. Using DATALINES in a SAS data step, read in his birth date as 08JAN1935 and the date of his death as 08-16- 1977. Use a calculation in your data step to
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MBA700@UNC HOMEWORK # 4 ALISON'S RESTAURANT Alison Rae is owner and operator of Alison's Restaurant located on West Franklin Street in Chapel Hill. As Alison proudly states, \"You can get anything you want at Alison's Restaurant." And while it may be true that you can get anything you want at Alison's Restaurant, the establishment is particularly
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final equation be for the transformed graph f(x)=x^2 shift down 6 f(x)=square root of x shift to the left 7 f(x)=4 square roots of x reflect the y axis and shift up 4 units

Find all real solutions of the equation. (Enter your answers as a comma-separated list.) x 3 8 x 2 7 x +56= 0

FORMATO: 2.1.1. Duplique la hoja y renmbrela como "Tema 1 Ventas". Color de etiqueta: AMARILLO 2.1.2. Inserte 3 filas a partir de la celda A1 2.1.3. En el espacio creado, utilizando el estilo de WordArt inserte el siguiente ttulo: "SUPERMERCADO (ponga su apellido) ... " 2.1.4. Inserte una imagen ilustrativa, ubicndola en el extremo derecho del

z-test sample 2. Students applying to graduate schools in many disciplines are required to take the Graduate Record Examination (GRE). An instructor develops a cause she believes will increase students' GRE scores. A representative sample of 25 students (N-25) is gathered and they take the course. After, they take the GRE and create a simple mran
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