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Mathematics Questions and Answers June 27, 2021

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Thank you in advance for the help! :) The medical researcher is comparing two treatments for lowering cholesterol: diet and meds. The researcher wants to see if the patients who receive the recommendation to change their diet have less success lowering cholesterol compared to a prescription of meds. A random sample of some patients who received
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Math 30-2 Formula: y = a . b Question 13 (1 point) The following data shows exponential growth. What is the missing value? X 0 2 3 4 5 6 y 0.16 0.40 1.00 2.50 15.63 39.06 Please report to the nearest hundredth
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1. Triangle ABC has vertices A(3, 3, 0), B(2, 5, 0), and C(4, 0, 2). (a) Use the dot product to determine the measure of two angles within the triangle, and then triangle logic to calculate the third angle to the nearest degree. (b) Based on your findings, and without using the cross product, calculate the area of Triangle ABC to the nearest

I need help with all parts of this problem! It's been a while since I took differential equations and I don't remember anything - this is not for any of my classes

Assume that a randomly selected subject is given the same bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find p38 the 38th percentile this is what bone density score separating the bottom 38% from the top 62 %

I am having a lot of trouble with this problem and where exactly to start. A student takes out a loan of $2,400 2,400 at the beginning of each semester(semi-annually) for 7 7 semesters to pay for college. The loan charges 6.6 6.6% interest compounded semiannually. The student graduates after the 7 7 semesters and refinances the loan to a lower 5.9

If f(x) = x-2 and g (x) = x^2 +x -6 find the following. g(f)(x)

part b for both problems, show steps. f{x)=xsin{2$)1a= 0111.: 41053 .7: g 0.5 [T Cl (a) Approximate fby a Taylor polynomial with degree n at the number a. m T4(x} : 2x2 gill m (b) Use Taylor's Inequality to estimate the accuracy of the approximation fz Tn(x) when x lies in the given interval. {Round the answer to four decimal places. |R4(x)| E I]
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e) In a modern economy, commercial banks perform a number of functions. Highlight four functions of commercial banks. (4 marks)
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Question-6) D(0,1) laughs to understand what the graphically represents.. Problem 6. Find the area of the image of D (0, 1) under tha map f (z) = z +?, Problem 7. Suppose f is holomorphic on D (0, 1). f (0) = 3 + 4i and If (z) |
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Thinking - [ /6] 6. Randy wants to buy a $5000 car when he graduates from high school. He deposits $85 at the end of each month in an account that pays 9% compounded monthly. Randy will graduate in 4 years. Will he have enough money by then? How much money does he need then to deposit every month to pay for the car
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I need help solving the following calculus integral problem... \f
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A new online auction site specializes in selling automotive parts for classic cars. The founder of the company believes that the price received for a particular item increases with its age (i.e., the age of the car on which the item can be used in years) and with the number of bidders. The multiple regression output is shown below. Summary
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Math 12 foundations (please submit photo of solved!) Foundations of Math 12 Unit 8 Send-In Assignment 13. The figure below shows a cross section of a parabolic reflector. The bulb is located at the focus. The opening at the focus is 10 cm. a. Find the equation of the parabola. b. What is the diameter of the opening at CD, 11 cm from the vertex? 5
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5. Suppose A is a 3 x 5 matrix with columns a1, a2, . .., a5. Moreover, suppose A has no "row of zeros" in its reduced row echelon form. (a) What is the span of the columns of A? (b) Does Ax = b always have a solution
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A 15-foot by 20-foot brick patio will cost about $2,275 to have professionally installed. Estimate the cost of having a 26 by 28-foot brick patio installed. Round your answer to the nearest dollar. $______

Determine which sampling method is used in the next 3 cases, whether it is a: Simple random sampling, Systematic random sampling, Stratified random sampling, or Cluster sampling. a. The research team wanted to conduct a survey about the performance of faculty members in Prasetiya Mulya. To start the survey, 3,000 undergraduate students in

Choose the correct Set-builder form for the following set written in Roster form: {-10,-9,-8,-7,-6-5}

Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is 128000 dollars. Assume the population standard deviation is 38000 dollars. Suppose you take a simple random sample of 66 graduates. Find the probability that a single

10. (10 pis) (See textbook page 82 for definitions of the economic functions used in this problem.) The coat, in dollars, for a company to produce & widgets is given by Cfa) = 5200 + 6.Quix for * 2 0, and the price demand function, in dollars per widget, is p(x) = 50 - 0.02x for I S x s 200 (a) Find and interpret C1200) (b) Find and Interpret C
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Suppose a simple random sample of size n=150 is obtained from a population whose size is N=10000 and whose population proportion with a specified characteristic is p equals 0.8 . (c) What is the probability of obtaining x=117 or fewer individuals with thecharacteristic? Thatis, what is P(p 0.78)? (Round to four decimal places asneeded.)

The three things that caught my attention this week while manipulating the spreadsheet was the new window, split screen and arrange all functions possible in excel. These are really nice to know tools. I have always preferred using dual monitors for my excel and general computing work. Probably will still prefer that option. The tips were good to

If you toss a coin 1,000 times the average (mean) number of heads equals 500, yet the probability that you will get exactly 500 heads in 1,000 tosses is about .02.Why is this?

59. Calcular las siguientes raices (dando el resultado en binomica en aquellos apartados marcados con (*)), y representarlas en el plano complejo: a) V1+i (Soluc : V/2 14,28 V2 101,28, V2 181,28, V2 20128 b) V1-i (Soluc : V2 108; V2 228; V2 348 ) (*) c) - 4 4 (Soluc : V2 609; 12 1809; 1/2 2409; 12 3309) 1-V3 i d) -1+ 3i (Soluc : V2 48, V2 108; (2
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Not yet answered Question 15 Marked out of 6.67 The demand and supply functions for free-range meat are Pa = 50 - 0, 6Q and Ps = 20 + 0, 4Q, where P is the price, and Q the quantity. The equilibrium price and quantity are
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wine bra-ScientistsEngineers(Q) WebWork Direct Link Previous Problem Problem List Next Problem (1 point) Algebraic Operations on Functions Find the below combinations of the following functions, along with their domains in interval notation f(x) - 2x 9(z) - Vx+6 (Click here for help with interval notation.) a. (f + g)(z) - Domain of f + g: b. (f
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provide hand written solution as soon as possible Not yet answered Marked out of 4.oo '7 Flag question For the series i 2 + (5)" n 5 n=1 3 which of the following statements is false? Select one: 0 None of these Q The comparison test is applicable to determine the convergence of the series. 0 The limit comparison test is applicable to determine the
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Assist with Solutions Find the arc length of the semicircle defined by the equations 38 Chapter 1 | Parametric Equations and Polar Coordinates x(1) = 3 cost, y(1) = 3 sint, OSISx.Plot each of the following points on the polar plane. a. (2, 4) b. (- 3, C. (4, 5x)
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Aziz is planning to attend college when she graduates from high school four years from now. She has made an arrangement with her father to do the household chores if her dad deposits R3570,00 at the end of every six months for the next four years into a bank account. The account pays 8,5% interest per annum, compounded semi-annually. Her father

In 7-3 Final Paper: Detailed Outline, you will submit a 4 page (maximum) outline, detailing the specifics of your final paper. This milestone is not graded separately but will be graded as part of your Final Paper submission, under Milestone Submission

1. Consider the population of adult female residents in Melbourne (or Jupiter if you prefer). Our focus is on the population mean height. Let height be called X. Assume we do not know (population standard deviation) or the population mean, . We take a sample of adult female residents in Melbourne (n=100) and calculate the sample mean height as 70

The following compound statement is best understood as an example of what kind of truth function? You won't have to walk the dog later, if you walk the dog now. Question 9 options: Material implication (conditional) Conjunction Disjunction Negation Material equivalence (biconditional)

PART A Directions: Factor the following quadratic equations and determine all possible solutions for each given variable. Be sure to identify the factors of the equation and the possible solutions. Check and use the FOIL method to double-check your factorization. 1. x 2 + 3x + 2 = 0 2. y 2 + 18y + 80 = 0 3. a 2 - 4a - 5 = 0 4. x 2 - 5x - 24 = 0 5.

Choisissez l'expression de temps approprie pour complter chaque phrase. 1. Paul est tudiant. Il travaille la bibliothque 8 heures par semaine. Il travaille mi-temps 2. La classe commence 3h10. Julie va arriver 3h15. Elle va arriver en retard . 3. Il est midi et demi . C'est l'heure de manger! 4. Ma classe de maths commence 8h00. C'est select

Analyze these data, available in the Infection data file at the text website. Using logistic regression, describe and make inference about the treatment effect
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Pitch and stitch are similar in that they are both _________________. Group of answer choices Measurements one refers to a height and the other to length Measurements one refers to a width and the other to length Related to flocked carpets Carpet construction methods

AZ-Common Core Geometry A Brooklyn Valek TIME REMAINING 1 2 4 9 10 01:59:19 The lengths of the sides of triangle XYZ are written in Which is correct regarding the angles of the triangle? terms of the variable m, where m 2 6. O mzX
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A supplier has offered you credit terms of 3/10 net 30. What is the implied rate of interest in the terms? - 56.44%
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Hello I need help with this question. Question 12 You want to buy a $257,000 home. You plan to pay 5% as a down payment, and take out a 30 year loan at 3.95% interest for the rest. a) How much is the loan amount going to be? $ b) What will your monthly payments be? to c) How much total interest do you pay? d) Suppose you want to pay off the loan
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Please answer all the parts of the following question correctly. Please use the correct notation and answer the parts in the correct order. Please show all your working/solution(s). Kindly box your final answer. Let Y be a single observation from a Poisson( ? ? ? ) distribution. (a) (b) (60 Suppose we test the hypotheses H0 : A = 3 vs. H1 : A = 4.
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Determine the relationship between the two triangles and whether or not they can be proven to be congruent. The two triangles are related by so the triangles
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10-9.Find the present value of $50,000 due in 3 yr at the given rate of interest. (Round your answer to the nearest cent.) 9%/year compounded daily (Assume a 365-day year.)

(2). Which of the following cannot be the probability of an event? Question content area bottom Part 1 A.minus 36 36 B.StartFraction StartRoot 2 EndRoot Over 3 EndFraction 23 C. 0.001 D. 0

(Math 24) 1..Consider the supply equation below, where x represents the quantity demanded in units of a thousand and p is the unit price in dollars. p = x 2 +14 x +36 2.In the pair of supply and demand equations below, x represents the quantity demanded in units of a thousand and p the unit price in dollars. p = - x 2 -2 x +61and p =4 x +21 Find

One hundred people are included in a study in which they are compared to a known population that has a mean of 73, a standard deviation of 20, and a rectangular distribution If the sample mean is 75, the lower limit for the 99% confidence interval is? I want to learn how to do the equation for this, please

1) In each study, the data collected is what level of measurement? a) Letter grade (A,B,C,D,F): Select an answer b) Temperature in Celsius: Select an answer c) Number of traffic tickets: Select an answer d) Agreeableness rating on a Strongly Disagree/Disagree/Neither Disagree nor Agree/Agree/Strongly Agree scale: Select an answer e) Marital

I need help with the following problems. Akarat is measure of the purity of gold indicating how many parts out of 24 are pure.Calculate the purity as a proportion for16k gold. Be sure to reduce the proportion to the lowest whole number.

A deck of Zener cards has 5 different cards, shown below. There are 200 of each in the deck. An individual that claims to have telepathic abilities is presented with 100 cards facedown and attempts to demonstrate their telepathy by guessing what symbol each card shows. Of course their telepathic powers are not perfect, but they manage to

The slope of this line and the unit rate are the same Price of Donuts at Bakery 14 Find the unit rate for the number of donuts per dollar. Number of Donuts NA O O ON [?] donuts $[ ] 2 4 6 8 10 12 14 Price ($)
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The station manager of a local television station is interested in predicting the amount of television (in hours) that people will watch in the viewing area. The explanatory variables are: I, age (in years), I, education (highest level obtained, in years) and 1', family size (number of family members in household). The multiple regression output
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You are conducting a study to assess a new fecal occult blood test for colorectal cancer. There are 277 people ages 50-74 in your study. A total of 206 people test negative. Seven people have the disease and test positive. 257 people don't have colorectal cancer and 193 of them test negative. What is the efficiency of the screen?

In a certain class of students, there are 11 boys from Wilmette, 7 girls from Wilmette, 5 boys from Winnetka, 4 girls from Winnetka, 4 boys from Glencoe, and 4 girls from Glencoe. If the teacher calls upon a student to answer a question, what is the probability that the student will be a boy?

The general shape of a satellite dish is parabolic with the LNB, or receiver, being at a point called the focus. The incoming signal bounces off the sides of the parabolic dish and redirects back into focal point. a. Using the diagram below, determine the equation of the satellite dish given the roots and the point b. Graph this quadratic on the
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Each vehicle owner in Turkey must take their vehicles to Vehicle Inspection Stations (TUVTURK) once in every two years for their vehicles to be checked for the specs. Dudullu branch of TUVTURK is one of the busiest compared to others. You are the new manager of the station. Based on the briefings of the engineers and common media knowledge, you

Solve the following problem for magnitude and direction An airplane ascends such that its gain h in altitude is proportional to the square root of the change x in horizontal distance traveled. If h = 216 m for x = 144 m and vy is constant at 390 m/s, find the velocity at this point. It is given that the airplane's gain h in altitude is
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Math 30-1 Exponents - Quiz B-v1 23 Name: 1. Describe the transformations that occurred if the original graph g(x) =2" becomes h(x) =4(2)* If the point (3,8) is on g (x), state its corresponding coordinate on h(x). (3 marks) Mapping: New Coordinate: 2. A sample of Plutonium decays exponentially every 10 hours. Write an exponential equation that

Ty 2 kc mail Translate E Knowledge Check Question 2 Find all excluded values for the expression. That is, find all values of u for which the expression is undefined. u+ 7 u - 8 u- 81 If there is more than one value, separate them with commas. u = X
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Match column A with Column B. Write the letter of your answer on the blanks provided. Column A Column B 1. The fare f of a passenger varies directly as the distance d of hid destination. A b = 2. The base b of a triangle varies inversely as kwx B. Z= its altitude h. y 3. The area A of a parallelogram varies jointly C. V = KAh as the base b and the
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Can you answer my math in action questions please and please show all the work ew (3.4-3.8) Alpinfor Kenkpen po $ a ) 1. The straight-line depreciation equation for a car is given by y - -2,700x + 23,950. What was the original price of the car? b) How much value does the car lose each year c) What is the value of the car after 6 years? d) When
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Consider the parabola given by the equation: f(I) - 2x2+ 6x -4 Find the following for this parabola: A) The vertex: B) The vertical intercept is the point (0, -4) C) Find the coordinates of the two > intercepts of the parabola and write them as a list, separated by commas: It is OK to round your value(s) to to two decimal places. Maccao
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For the equations of the ODES : x = y , y = x a)The origin is a saddle point; find equations for its stable and unstable manifolds.

If a 7.0 ounce shake cost 6.5 and 13.0 ounce shake cost 8.25 a) use linear interpolation to estimate the cost of a 10.0 ounce shake b)find a linear equation that gives the cost (C(x)) of an x-ounce shake c) Graph your result from (c)

Number Sense Project: The Golden Ratio Objective In this project, you will explore the presence and significance of the Golden Ratio in various aspects of real life, ranging from nature to architecture, and art to human anatomy. Instructions 1. Understanding the Golden Ratio: Start by understanding what the Golden Ratio is. It is a mathematical

Suppose we have independent random samples of size n 1 = 420 and n 2 = 510. The proportions of success in the two samples are p 1 = .38 and p 2 = .43. Find the 99% confidence interval for the difference in the two population proportions.

Evaluate the following expression, which is given in Polish notation: + x + 2 4 8 6 / 9 3 Type the answer in the box below. [Note: The symbol x indicates multiplication, and / indicates division.]

Assume that when adults with smartphones are randomlyselected, 39 39% use them in meetings or classes. If 7 7 adult smartphone users are randomlyselected, find the probability that exactly 5 5 of them use their smartphones in meetings or classes. The probability is .

According to national data, about 10% of American college students earn a graduate degree. Using this estimate, what is the probability that exactly 18 undergraduates in a random sample of 200 students will earn a college degree? Hint: Use the normal approximation to the binomial distribution, where p = 0.1 and q = 0.9. (Round your answer to four

The following information is obtained from a sample data set. n=8 , x=60 , y=392 , xy=2100 , x2=485 Find the estimated regression line. y^= +( )x

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1. The personnel director of a large corporation wants to study absenteeism among clerical workers at the corporation's central office during the year. A random sample of 25 clerical workers reveals the following: [20 points] >Absenteeism: = 9.7 days, S=4.0 days. 12 clerical workers were absent more than 10 days. a. Set up a 95 % confidence
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Please do not hand write You draw b balls at random (without replacement) from an urn that initially contains N balls, of which r are red and the rest are yellow. What is the expected number of yellow balls drawn
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Please help with the last question. Thank you In this question you will find the intersection of two planes using two different methods. You are given two planes in parametric form, II1 : T2 + x1 + 12 O 1I2 : + #1 2 + # 2 where :1, 12, 13, A1, 12, #1, #2 ER. Let L be the line of intersection of II] and IIn. a. Find vectors nj and no that are
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TMATH 308 ASSIGNMENT 3. Let A be an n x n matrix. Prove that if 1 =0 is an eigenvalue of A then the column vectors of A are a linearly dependent set. For full credit, the steps of should clearly lead to the definition of linear dependence. (4)
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Look at the overhead diagram of the door on a hinge. Force A, B and Care all equal. Rank each force from highest to lowest torque on the hinge of the door. A hinge B C
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Provide correct answers Find the equation of the tangent line to the curve defined by the equations x(1) =12 -3, y(1) = 21 -1, -3 St s 4 whent = 2.Calculate the second derivative d'y/dx2 for the plane curve defined by the parametric equations x(1) = 12 - 3, y(1) = 21 - 1, -3 51 54
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Geometry > M.5 Similar triangles and indirect m Find C. M C L 2.1 m N J 2m K 8 m Write your answer as a whole number or a decimal. Do not round. C = meters M
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Questions Find two different pairs of parametric equations to represent the graph of y = 2x2 3. Calculate the derivative x " for each of the following parametrically defined plane curves, and locate any critical points on their respective graphs. a. x(1) =12 -3, y(1) =21-1, -35154 b. x(1) = 21 + 1, y(1) =1 - 31+4, -25is5 c. x(1) = 5 cost, y(1) = 5
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A LIGHTWEIGHT, INTEL x64/VT-x HYPERVISOR (WRITTEN IN C ) FOCUSING ON THE VIRTUALISATION OF AN ALREADY RUNNING OPERATING SYSTEM

QUESTION RESOURCE(S) TEST RESOURCE(S) Tools NR 3 0% Tools Numerical Response Use the following information to answer question 1 1 and numerical-response question 3. 3. The magnitude of the electric force, F., expressed in scientific notation, is a.bc x 10 N The values of a, b, c, and d are and An experiment is performed using an initially neutral
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16. A firm has net income of $320,000 on sales of $3,200,000. Its assets total $2,000,000; the equity at the beginning of the year was $1,600,000 and dividends paid were $80,000. What is the sustainable growth rate? a. 5% b. 15% C. 6.25% d. 4.69% e. none of the above
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Three cylinders with radii of 4 ft, 3 ft, and 2 ft are stacked one on top of the other. Each has a - 2!1 height of 2 ft. What is the total exposed surface area? 3 11
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The three points S(-1, -1), A(1, 4), and M(2, -1) are vertices of a parallelogram. What are the coordinates of three possible points for the other vertex

In a study of humans, the random variable X represents the body temperature of a selected individual. Select the word or words that best classifies the data.

Which is the equation ofths line with slope It} passing through the point {3, 1 T? O A. y=-1
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1 How can change managers test their cause-and-effect hypotheses? a) If they are confident that they have followed steps 1-3 in the diagnostic process correctly, assume that the hypothesis is correct b) Construct a timeline of events that reveals whether assumed causes occurred before or after specified effects c) Consult with others to explore

Change to the designated equivalents. Do not round answers. Use commas for all answers that are 1,000 or above. Remember to place a zero (0) in front of any answer that is less than 1 (e.g., 0.5). All numerical answers should use the decimal system (e.g., use 0.5 not ). 180 mL = __ fl oz

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I would like to know how to answer part b and c, particularly c. I know how to calculate mean and standard deviation but didn't combine them to get proven reserves the right way according to my teacher in part c. Reserves = STOOIPx Recovery Factor QUESTION 3 Done - Blue Notebook a) What is the basic formula used to calculate the Reserves of an oil
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POSSIBLE POINTS: 2.8 When I use line segments to connect the corresponding points of a pre-image and the image in a translation, the line segments are :: parallel :: perpendicular :: congruent :: non-congruent 6)
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Problem 6-8 (Algo) Safety regulations require that the time between airplane takeoffs (on the same runway) will be at least 2 minutes. When taking off, the run time of an airplane on the runway is 39 seconds. Planes are on average waiting 5 minutes and 21 seconds for takeoff. On average there are 19 planes taking off per hour. How many planes are
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The Math Department of Esseu College must elect a new President. The outgoing President, Art Hanes, prepares a final list of 5 candidates, all of whom are qualified. Two of these candidates, Vax and Axe are migrants. To avoid bias in the selection of candidates, Esseu College decides to select the President by Lottery. What is the probability that

A racing 11:35 PM Fri Mar 18 co. ?100%E]' ED ( AA learn.humber.ca C i] + 33 5 Course Hero | Make every study hour count Feedback Final Grade Attempt with highest grade Submitted 3/17/22, 9:59 PM (EDT) A Assignment Content 69 Question 1 1 A racing bike is listed for $1470 less 23%: 8%: 3 ?%. Find (a) The Net Price: $1005 (b) Total amount of
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When shearing a parallelogram, which value does NOT remain the same? \f\f
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El valor y de un carro (en miles de dlares) se puede aproximar mediante el modelo y = 25(0.85) t , donde t es el nmero de aos desde que el carro era nuevo. Cundo el valor del carro ser de $25,000?

From superficial to deep, put the following meninges and their related spaces in the correct order. Rank the options below. Subarachnoid spaceSubarachnoid space open choices for ranking No answer Arachnoid materArachnoid mater open choices for ranking No answer Dura materDura mater open choices for ranking No answer Pia materPia mater open choices

Page Dof F ") Use your graphing calculator to find when Edmonton reached a population of 1 090 090. Sketch your solution below. Label the point where the population reaches 1 900 000 with its coordinates. Round to the nearest hundredth. (2 marks) 1 1001060 1 000 000 400 000 6:00 000 Number of years after 2000The table below shows Edmonton's
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Questions on convexity. (a) Let fi(x) : " -+ R for j = 1, ..., k be convex functions. Prove that: f ( x) = of1 ( x) + 02f2(x) + ... + akf*(x) is a convex function if o; > 0 for j = 1, ..., k. (b) Consider the optimization problem: min f(x) s.t. XES where f : I" - R is strictly convex on S and S is a convex set. Prove that the optimal solution
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