S
  1. study help
  2. subject categories
  3. sciences
  4. mathematics
  5. february 2023
  6. 06

Mathematics Questions and Answers February 06, 2023

Expert-verified solutions to help you succeed

example of a real-world application of statistics. In this application be sure to include one of the central tendancies such as mean, median, mode, or range

Write an equation of the line. -10 -8 -6 -4 -2 2 4 6 8 10 -10 -8 -6 -4 -2 2 4 6 8 10 x y A coordinate system has a horizontal x-axis labeled from negative 10 to 10 in increments of 1 and a vertical y-axis labeled from negative 10 to 10 in increments of 1. A line rises from left to right, passing through the points (0, negative 8) and (1, negative

How many different ways can a race with 5 runners be completed? (Assume there is no tie)

For z = 2 + i and w = 3 + i , find z / w . That is, determine and simplify as much as possible, writing the result in the form a + bi , where a and b are real numbers. Show work

\f

/ 3 Math 1730 Project 1 K. Pueringer Financing a Purchase At some point in your life, you are likely to need to borrow money to finance a purchase. For example, most of us will finance the purchase of a car or a home. What is the mathematics behind financing a purchase? When you borrow money from a bank, the bank uses a rather complex equation (or

For every price level given in the following table, use the graph to determine the profit-maximizing quantity of jumpsuits for the firm. Further, select whether the firm will choose to produce, shut down, or be indifferent between the two in the short run. (Assume that when price exactly equals average variable cost, the firm is indifferent
image text in transcribed

Hi can I have help with this please (b) Let A = {a, b, c, d). Give the multiplication table for a binary operation A on A that is commutative but not associative. A abcd ( Justify why your given binary operation is commutative and give an explicit example to show it is not associative.) [2]
image text in transcribed

LIVE and the com funcoon rest dom
image text in transcribed

8. If A(x) is an odd function and g(x) is an even function, then what type of function is y = f(x) + g(x)? a. odd b. even C. neither d. cannot be determined for sure 9. If f(x) and g(x) are even functions, then what type of function is y = f(x)g(x)? a. odd b. even C. neither d. cannot be determined for sure
image text in transcribed

Discrete Mathematics: R = {(2, 2), (2, 7), (2, 11), (7, 14), (7, 81), (14, 14), (14, 81), (81, 2)} 1.Find the digraph of R 2.Find M R 3.Find M R2 4.Complete the following table: \f
image text in transcribed

1. Compare properties of squares and rhombi to properties of other quadrilaterals by answering each question. Write a brief explanation for each answer. (a) Describe a property of squares that is also a property of rectangles. (b) Describe a property of squares that is not a property of rectangles. (c) Describe a property of rhombi that is also a

Find the measure of each acute angle in a right triangle where themeasure of one acute angle is twice the difference ofthe measure of the other acute angle and 12.

NEED all questions answered with ALL the work shown. I will report false documents that have random solutions. I will tip more $$ if all questions are answered properly. The file is attached. Thanks.

\fThe photo on the right shows what you see when you look at the cube straight from above using Googie Earth http://earth. google. comf. Among many other fantastic features Google Earth can show many prominent buildings in 3d. Imagine that you are working for Google and your job this week consists in creating a 3d image of our cube for Google
image text in transcribedimage text in transcribedimage text in transcribed

Write a brief research report (up to about 7 pages, not including title page, abstract, and references), based on an analysis of the data file. Choose a hypothesis, cite at least three references to justify your hypothesis, test your hypothesis with an analysis of the DATA540.SAV file, and then report and discuss the results. Your results should
image text in transcribed

im super confused 4. (7 pts) f is a function that takes a real number x and performs these four steps in the order given: (1) Multiply by 2. (2) Add 1. (3) Take the square of the whole quantity. (4) Take the reciprocal. (That is, make the quantity the denominator of a fraction with numerator 1.) (a) Find an expression for f (x). (no explanation
image text in transcribed

Don't know how to do this worksheet, need help. Image below with instructions: Why Do Helicopters Get Sick So Often ? Express each sum below in simplest form. Find your answer and notice the three letters next to it. Write these letters in the three boxes at the bottom of the page that contain the number of that exercise. m 10m 3 8 X - 3 x2 - 9 m
image text in transcribed

A scientist is studying a sample of 3,000 bacteria. She noticed that the number of bacteria in the sample after t days can be modeled by the equation P = 3,000 . 5. In this equation, what does 5 represent? O A. The number of bacteria increases by t bacteria after 5 days. O B. The number of bacteria increases by a factor of t each day for 5 days. O
image text in transcribed

problem 4. [2.Op] Let the vectors p, q, and r are mutually perpendicular. a. Show that Ilp + q + 7112 = 11p112 + 119112 + 115712. b. Further if p, q, and r are all of the same length, show that they will make the same angle with p + q t r.problem 3. 12.5p] Find the vector and parametric equations of the following lines a. The line parallel to 3 -
image text in transcribedimage text in transcribedimage text in transcribed

The parameter t in the pair ( (1t) 2 /(1+t) 2 , 2t/(1+t) 2 ) runs through all rational numbers if t = q/p and p, q run through all pairs of integers. Deduce that if (a, b, c) is any Pythagorean triple then a/c=(p 2 -q 2 )/(p 2 +q 2 ) , b/c=2pq/(p 2 +q 2 ) for some integers p and q.

What is the income distribution of super shoppers? A supermarket super shopper is defined as a shopper for whom at least 70% of the items purchased were on sale or purchased with a coupon. In the following table, income units are in thousands of dollars, and each interval goes up to but does not include the given high value. The midpoints are

A band performs for two different kinds of events: grad parties and weddings. It takes 1 hour to get ready for grad parties and 1 hour for weddings. To practice for each event, they will need 1 hour for grad parties and 2 hours for weddings. The band uses at most 80 hours a year to get ready and needs at most 120 hours of practice time a year. How

\f
image text in transcribed

Question 1 [10 points] Compute the orthogonal projection of u' onto v. Use the square root symbol '' where needed to give an exact value for your answer. 1= 5 7= projou = LO OO
image text in transcribed

7. (4 pts) Decide T/F for each for the following 4 cases. Sample mean is an unbiased estimator of the population mean a. for any sampling scheme b. for unequal probability sampling c. for simple random sampling with replacement d. for simple random sampling without replacement
image text in transcribed

Q5. (15 marks) a. Obtain the optimal solution for Min Z = 2*4x *14% =10 X120, %2 20
image text in transcribed

A person noted that the angle of elevation to the top of a tree was 650 at a distance of 11 feet from the tree. Using the diagram, approximate the height of the tree. 1 1 feet
image text in transcribed

Question attached below (01) This problem concerns the (7,4) Hamming code discussed in the lectures. Using the diagram to encode and decode strings, show your work clearly in the following. a) If the message is 1001, what codeword should be sent? b) If the string 0001110 is received and at most one bit was ipped, what was the original message
image text in transcribed

Need help please, all information is there, don't say it isn't. Problems 1-3 concern cotton, which can be produced all over the world using the same basic long-run production function: where q is output, L is labor, and K is capital. For example, labor is relatively inexpensive in India, and cotton is produced with this combination of inputs: L =
image text in transcribedimage text in transcribed

K Fill in the following blanks with the greatest digit that makes each statement true. a. 3 53 b. 9 2435 c. 11 713 d. 5 468 e. 6 050 f. 8 16 0 . . . a. 3 53 b. 9 2435 c. 11 713 d. 5 468 e. 6 050 f. 8 16
image text in transcribed

Can you help me with this question ?I Which substitution converts the Bernoulli equation 2xy Y = 4x2 + 3y2 into a linear differential equation? O A) V = 2X O B) V = 2xy O C) V = y OD) V = 4X 2 O E) V = V 2
image text in transcribed

Question 1 (10 points) For each of the following functions, state . the domain; . the range; . the minimum and maximum values; . the period; . the phase shift; . and the amplitude. a) f(x) = -2 cos (3x - 7) + 1 Ob) f (a) = = sin (52 + 7)
image text in transcribed

dynamic programming The principle of optimality The dynamic programming equation The knapsack problem Question 2. Let A1, . . . , An be matriceswith A; havingki_1 rowsand k; columns tori = 0,1, 2, . . . , n. and some positive integers kg, k1 , . . . , kn. The problem is to choose the order of multiplying the matrices that will minimize the number
image text in transcribed

3} Find the volume of the solid formed by ranking the region bounded by the tunes 3L: [2 :2: :1\": and 3: III1 [224: [2 about thex-axis [15 pm}
image text in transcribed

Math 10 - Homework 1 Illowsky/Dean PDF: 1, 2, 3, 4, 5, 7, 8, 9, 10. Page 47 Additional problems: 1. Identify the following data by type (categorical, discrete, continuous) a. Number of tickets sold at a rock concert. b. Make of automobile. c. Age of a fossil. d. Temperature of a nuclear power plant core reactor. e. Number of students who transfer

Samwell Tarly recently graduated from NIU with two degrees: an MBA and an MSDA. To celebrate before he begins his new position as Grand Maester of King Bran's Small Council, he wants to visit Europe - the new continent discovered by Arya Stark. Accordingly, he has decided to make only one stop in each of the 12 European capitals in the time he has
image text in transcribed

i am stuck Consider the following graph of y = f (x). Which of these graphs of relations describe y as a function of x? no explanations required) That is, which are graphs of functions? (a) State the x- intercept(s). B D (b) State the y- intercept(s). (c) State the domain. CO- (d) State the range. Consider the points (-5, -6) and (-1, 10). (a)
image text in transcribed

pls help me with this question 55% of the spectators at a football game were men. ~ of the remain spectators were women and the rest were children. a) What percentage of the spectators were women? b) What percentage of the spectators were children
image text in transcribed

Need assistance solving each problem. 4) Going upstream Jane can row 6 miles in 4 hours. Going downstream she can return to her starting point in 3 hours. Which one of the following is her rowing speed in still water? a) 6 mph b) 3 mph c) ; mph d) - mph e) - mph 5) 6x3 + x2 = 126x has three solutions for x. Which one of the following is the sum of
image text in transcribed

62) Choosing 10 marbles from a box of 40 marbles (20 purple, 12 red, and 8 green) one at a time without replacement, keeping track of the number of red marbles chosen. A) Procedure results in a binomial distribution. B) Not binomial: the trials are not independent. C) Not binomial: there are too many trials. D) Not binomial: there are more than
image text in transcribed

send me only final answer . thank you 3Moodin GE X 2 A 151MAT314: Math Ill (Spring 2021) Time left 1:29:47 Quiz navigation Question 2 What is the particular solution of y" - 8y + 16y = e" In(1) Not yet 10 answered Select one: Marked out of O a. yp = ife" In(1) - re" 3.00 Finish attempt P Flag b. Non of the answers is correct question O c. yp = 1re
image text in transcribedimage text in transcribedimage text in transcribed

t or fasmlse Identify if this is an example of a null or empty set A = {x | x are all FEMALE POTUS] O True O False
image text in transcribed

Ashley has been training for a 10 kilometer race. Her average training pace is 8 minutes and 15 seconds per mile. If she maintains this pace during the race, which of the following will be her finishing time ( 1mile =5280feet, 1 foot =0.304 meters)

Say that every single class in Full Sail's Masters Degree in Game Design has a 5% failure rate per month in a 13-month program. These students that fail a single time, will withdraw (drop) from the program the month following their failure; ex. J. Doe fails Month 3, J. Doe withdraws before the start of Month 4. Given a cohort of 100 that starts

On Wednesday May 22, Ms. Christy Cheung, owner of the Yarn Barn asked the staff members of her company to meet with her and help her determine the amount of yarn products to produce for the upcoming season. The Yarn Barn is a small business operating in the Hintonburg neighborhood of Ottawa and, as a mill, they specialize in producing yarn

Antique Accents has decided to purchase products marked down $257.11 for a net price of $477.49. What is the list price of the products? For full marks your answer(s) should be rounded to the nearest cent What is the rate of the discount on the products? Note: Please make sure your final answer(s) are in percentage form and are accurate to 2

George purchased a new Tesla for 104,990 he read that the value of his car is expected to change by -4/31 of the price after the first year what is the expected value of George's Tesla after the first year

the graph shown here is the graph of a fourth-degree polynomial. one of its zeros is 1+I. find the polynomial function \f
image text in transcribed

Close Date: Mon, Nov 16, 2020 11:59 PM Question 11 of 14 A payment of $8,000 was made into an account at the end of every 3 months for 12 years. a. If the interest rate for the first 4 years was 4.00% compounded monthly, calculate the future value at the end of the first 4 years. Round to the nearest cent b. If the interest rate for the next &
image text in transcribed

Thank you!!! - 4 - B 9 - 9 Find the following matrices where A = - 5 and B= -9 -4 - 4 0 - 9 - 3 a. A + B b. A - B C. 7A d. 2A -4B a. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. A+ B= (Simplify your answer.) O B. This matrix operation is not possible. b. Select the correct choice below
image text in transcribed

Take a look at teen 1's initial polynomials for three layers of hills. Teen 1 has described what he thinks each modification to the initial polynomial will do. Sketch each curve (in a different color, preferably). (You will be asked to find and repair mistakes in the next section.) (6 points: 2 points for each curve) Hill 1: My first layer needs
image text in transcribed

MATH 1091: Business Mathematics at Thompson River University and need help with a problem. If money is worth 15%, what is the value on June 14 of a non-interest-bearing promissory note of which the face value is $10,000 and which matures on December 12?

You get a $5,000 180-day 11% consumer loan on May 18. You make a $2,000 payment on July 18. Calculate the balance you still owe after the payment. Assume a 365-day year. $3,000.00 $2,908.08 $3,091.92 $3,271.23
image text in transcribed

My question follows...for some reason the site was not letting my upload my image of the two squares to go along with the question but i explained below.. A wire that is 24 centimeters long is shown below. The wire is cut into two pieces and each piece is bent and formed into the shape of a square. Suppose that the side length (in centimeters) of
image text in transcribed

Evaluate the expression without using a calculator. \f
image text in transcribed

Question 3 Rewrite in simplest rational exponent form x 4x . Show each step of your process. Question 4 Rewrite in simplest radical form x56x16 . Show each step of your process. Question 5 Which of the following expressions are equivalent? Justify your reasoning. 4x3 1 x1 10x5x4x2 x 13x13x13

Let f(x) = 8 and g(x) = sqrtx-1. 1. find (f/g)(5). Show work. 2. Find the domain of the function f/g. Explain.

Which of the following is an equivalent expression to: 1-cos- (0) sin (0) cos(0) Oa) cos(8) Ob) 2 sin (0) cos () O c) tan (0) Od) 1 sin eWhich of the following expressions is equivalent to: cos 1 - sin (0 ) O a) 1 + tan' (0 ) b) 1 + sin (0) c 1+ sin- (0) O d) 1 + cos (0)Which of the following is the equivalent statement to: 1 - 2 cos2 (0) O a)
image text in transcribedimage text in transcribedimage text in transcribed

It is a Monday in October (this will make more sense once you get into the classroom). There is a full moon appearing that night and a cold front is coming in to town. The kids seem restless and unruly. Your principal has informed you that he/she is doing an informal observation this day, but is not sure what time he/she will be passing through.

Question 4 (5 points) Determine whether the conjecture is true or false. Give a counterexample for any false conjecture. Given: m- + 6 = 10 Conjecture: m = 2 False; m = 4 False; m = -2 or m = 2 False; m = 3 O True Question 5 (5 points) Determine whether the conjecture is true or false. Give a counterexample for any false conjecture. Given:
image text in transcribedimage text in transcribed

51. An assembly line will be shut down for maintenance if the defect rate exceeds 2.3%. Suppose you adopt a 5% significance level and take a random sample of 200 items from the assembly line and compute the proportion of defective items. For what values of the sample proportion will the assembly line be shut down? A. 0.034 B. 0.038 C. 0.036 D.
image text in transcribed

Page 280Problem #7-14Using the following equations, graph the constraints, and solve using the corner point approach. Let:X1= number of air conditioners to be produced X2= number of fans to be produced Maximize profit = 25X1+ 15X2 subject to3X1+ 2X2

Let A, B, and C be sets. Show that (A B) (A B C).(A B C) (A B).(A B) C A C.(A C) (C B) = .(B A) (C A) = (B C) A

Maths and other; no use of coursehero unlocks; EVA has the advantage of being conceptually simple and easy to explain to non-financial managers, since it starts with familiar operating profits and simply deducts a charge for the capital invested either in the company as a whole, or in a business unit, or even in a single plant, office, or assembly

10. List the three (3) main types of food contamination and provide examples of how these are potentially caused
image text in transcribed

What is the area of the front side(the side which is facing you)? What is the volume of the rectangular solid? Write the appropriate formula(s). \f
image text in transcribed

Math 227 Project 1: Exploring Relationships Between two Variables In this project, you will search two quantitative variables that may have a linear correlation. describe and analyze the relationship between the variables the way it is explained in Chapter 4 (4.1-4.2). hen, create a written report including all 4 parts below and turn in by the

Can you help me with this question? DQ2 (15 points): Find an implicit solution to the initial value problem dy f' (t ) dt yey , y(1) - 2, where f(1) =-1 and f(t) and f '(t) are continuous for all t
image text in transcribed

Please help me to solve queation 1 c) only Exercise 1 1. By using definition. find the Laplace transform of the following function. a) f (t ) = = b ) f (t ) = 1 2 c) f (t ) = cos3t d) f (t ) = -3 2. Using the definition of the Laplace transform, determine [If(t)} if 0. Ost
image text in transcribed

Francine currently has $35,000 in her 401k account at work and plans to contribute $5,000 each year for the next 10 years.How much will she have in the account in 10 years, if the account averages a 4% annual return? $____. Suppose you invest $120 a month for 6 years into an account earning 10% compounded monthly. After 6 years, you leave the

Question 11 (1 point) Saved Given U = [ a, b, c, d. ... . z ], A = [ G, e. o, r, g, i, a ], and B = [ a, e, i, o, u]. Determine the correct notation for the following relations: C B' OcnB' CCB' c E B' CUB'
image text in transcribed

4. [-/2 Points] DETAILS EPPDISCMATH5 9.2.015. MY NOTES ASK YOUR TEACHER Suppose a certain combination lock requires three selections of numbers, each from 1 through 25. (a) How many different combinations are possible? (b) Suppose the locks are constructed in such a way that no number may be used twice. How many different combinations are
image text in transcribedimage text in transcribed

(3) Suppose x1, x2, . . . R n, y R n, and d(x sub n, y) K for all n. If x sub n x, show that d(x, y) K. (4) Give an example of a sequence in the noncompact set (1, 0) with no subsequence converging to a point of (1, 0).

What is the range of the function f(x) = 5x - 2 over the interval of 2 < x 9? 4 < f(x) 27 8 < f(x) 43 12 < f(x) 54 16 < f(x) 64 20 < f(x) 84

The volume of water in a rectangular swimming pool can be modeled by the polynomial 2 x 3 - 9 x 2 + 7 x + 6. If the depth of the pool is given by the polynomial 2 x + 1, what polynomials express the length and width of the pool? Use the Factor Theorem to determine the other two binomials

Can you help me with this questions with detailed explanations? Sorry but I just have no ideas to solve them. Problem 4. Which of the following are vector spaces over R (with respect to the standard addition and scalar multiplication)? Justify your answers. 1. The set of realvalued n X n matrices with nonnegative entries, Where n is a given
image text in transcribed

What is the equation of the line that goes through the points (2, 3) and (4, 6)? a- y= -2/3x -2 b- 3/2x +2 c y=2/3x -3 d- y=-3/2x +1 e- 3/2x

Tell me on what number to place the dots

Z. KETDECK Automotive sales pays its sales start a salary plus a commission on sales. The mean biweekly commission is 5595\"}, the median $950, and the standard deviation $70. The shape of the distribution is unknown. Estimate the percent of salespeople that earn more than $885, but less than $1095 in commissions
image text in transcribed

Sludge is wet solids taht result from the processing in sewage systems. The sludge has to be dried before it can be composed or otherwise handled. if a sludge containing 70% water and 30% solids is passed through a drier, and the resulting product contains 25% water, how much water is evaporated per ton of sludge to the drier?

A bacteria has a doubling period of 8 days. If there are 2700 bacteria present now, how many will there be in 20 days? First we must find the daily growth rate (Round this to four decimal places). The growth rate is . Then we use this rate to answer the question. There will be bacteria

Hello, need help with this math. 1.) A company has determined that the demand function for a certain is given by p = 3,500 - 0.75x, where p is the price per recliner is $625,000, and each recliner cost $900 to make. Build a function that models revenue as a function of recliner sold. Define your variables. Build a function that models cost as a

A relation is defined on 2 {(0,0)} by (x1,x2)(y1,y2)if and only ifx1y2=x2y1. Prove thatis an equivalence relation.

\f
image text in transcribed

Write short reflective comments or notes about your learning activities during the week. It is highly recommended that you make these entries on a daily basis. You will be assessed on the completeness of your Learning Journal, and the quality of your self-reflection. You should date each entry, and use clear titles and sub-headings.These entries

Test #2 (25%) Close Date: Mon, Nov 16, 2020 11:59 PM Question 9 of 14 Calculate the maturity value of end-of-quarter payments of $2,500 made for 3 years into an investment fund that earns 4.25% compounded monthly. $0.00 Round to the nearest cent 31 (3) (2) 0 (3) 11 (5) 12 (3)
image text in transcribed

1.A church steeple in the shape of a regular square pyramid needs to be reshingled. The part to be covered corresponds to the lateral area of the square pyramid. \f\f
image text in transcribedimage text in transcribed

1. Regarding the violation of multicollinearity, which of the following description is wrong It changes the intercept of the regression line It changes the sign of the slope It changes the slope of the regression line It changes the value of Ftest It changes the value of T-tests
image text in transcribed

UIIELIIJ'UIIB. I'IUUHUIIIl UI UIILIIL} For each women aged 20-39. roll a die one time. If you get a 6. the woman has a baby. Flip a coin. If it's heads, it's a girl. If it's tails. it's a boy. Complete the chart on the next page to track the births per year and the number of boys and girls. Repeat this simulation for ten years. Note: There are 20
image text in transcribed

A bowling alley charges $2.00 per game and will rent a pair of shoes for $1.00 for any number of games.The bowling alley has an earnings goal of $300 for the day

Julieta and Eric are purchasing a home. They wish to save money for 12 years and purchase a house that has a value of $170,000 with cash. If they deposit money into an account paying 7 % interest, compounded monthly, how much do they need to deposit each month in order to make the purchase? Round your answer to the nearest cent, if necessary.
image text in transcribed

The time it takes for something to double is approximately equal to divided by the growth rate

Sandhill Autos has contracted with an Indian software firm for design software. The payment of 23,400,000 rupees (Rs) is due in 30 days. What is the cost in dollars if the 30-day forward rate is Rs65.00/

A pie crust recipe calls for two cups of butter for each three cups of flour. Elliette is making enough crusts to use up eight cups of flour. How many cups of butter will she need?

For the function P ( x ) = x 3 5 x , at the point(3,12), find the following. (a) the slope of the tangent to the curve (b) the instantaneous rate of change of the function

Let U = {1, 2, 3, 4, 5, 6, 7, 8}, A ={6,8,10}, B ={5,6,9,12}, and C = {1, 3, 7}. Find the following. (Enter your answers as a comma-separated list.) A B

4. Write the number of seconds in a day (86,400 s) in exponential notation, using a coefficient that is greater than 1 and less than 10. (This form is called scientific notation and is generally the preferred form of exponential notation, as explained below)

For the following exercise, write formula for the function f that results when the graph of a given toolkit function is transformed as described. The graph of f(x)=x is reflected over the x -axis, shifted vertically up 1 unit, horizontally compressed by a factor of 3/7.

You are testing the hypothesis that the population proportion is less than 0.70.You select a random of sample of size 600.The number of successes in the sample is 402. This test is a. lower-tail test.The test statistic is -1.85. b an upper-tail test.The test statistic is 1.85. c an upper-tail test.The test statistic is 1.60. d a lower-tail

Showing 700 - 800 of 1501
  • 8 / 16