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Mathematics Questions and Answers October 13, 2021

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Set B p: 42 = 16 q: A triangle does not have 4 sides. r: Descartes is a mathematician. 1. If 42 = 16, then a triangle has 4 sides. 2. If Descartes is a mathematician, then 42 =/16. 3. If 42 = 16 or a triangle does not have 4 sides, then Descartes is not a mathematician
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Desde el punto de vista de la estrategia de RRHH, los planes a desarrollar deben ser, en trminos temporales, de

IQ scores are normally distributed in the population. Who has a higher IQ: a student with a 120 IQ on a scale where 100 is the mean and 10 is the standard deviation, or a professor with a 128 IQ on a scale where 100 is the mean and 15 is the standard deviation?

In an automobile safety test, a shoulder and seat belt exerts a force of 98.0 lb directly backward and a force of 85.0 lb backward at an angle of 20 below the horizontal on a dummy. If the belt holds the dummy from moving farther forward, what force did the dummy exert on the belt?

Find the maximum profit and the number of units that must be produced and sold in order to yield the maximum profit. Assume thatrevenue, R(x), andcost,C(x), of producing x units are in dollars. R(x)=6x, C(x)0.01x^2+0.7+9 What is the production level for the maximum profit? __ units

Solve for x in the triangle. Round your answer to the nearest tenth. X = 470 9
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Describe any transformations of the graph of f that yield the graph of g. F(X) - 4X, g(X) - 4x + 5 The graph of g can be obtained by shifting the graph of f units -Select Select- Need Help? Read It Watch It to the right upward Submit Answer downward to the left
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If a system of linear equations is represented by the matrix below, what is the solution of the system? Write your answer in this order: x, y z. Use a comma ( ) between the answers for x, y, and z (i.e, 7,9,11). If a parameter is needed use letter t. Place the term containing the letter t at the end of the expression. Please follow the example in
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(a) Calculate the probability of getting exactly 12 correct answers by guessing. (b) Calculate the probability of getting at most 18 correct answers by guessing. (c) Calculate the probability of getting at least 2 correct answers by guessing. (d) Determine the expected value E(X) for this probability distribution. 2) Using the standard deck of 52
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I don't get this question can someone help and explain Solve the radical equation \\/3x + 19 = x 3. Indicate any restrictions on the variable. Show all work and verify the solution(s)
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Find the equation of the line shown. Provide your answer below
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Canvas 38_APTROOO_A... > Assignments > 10.30.T - Lesson: Spheres 10.30.T - Lesson: Spheres Due Apr 19 by 11:59pm Points 100 Submitting an external tool 10.30.T Spheres O V = 2250m cm3 Question 6: 17 pts There is a dodge ball with radius 10in. and a soccer ball with radius 3in. Find how many times greater the volume of the dodge ball is than that
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If a runner jogs 3 miles west and then jogs 9 miles north, how far is the runner from her starting point if she plans to run straight back? Remember to simplify your
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O 10509 Solve the problem. Instruments on a satellite measure the amount of power generated by the satellite's power supply. The time t and the power P can be modeled by the function P = 50390, where t is in days and P is in watts. How much power will be available after 378 days? Round to the nearest hundredth. 1. B i U FontFamly ~Axr A T v i= v
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1. Locatethe standard form of the equation of the parabola with a focus at (0, -10) and a directrix at y = 10. A. y = negative 1 divided by 10x2 B. y = negative 1 divided by 40x2 C. y2 = -40x D. y2 = -10x 2.A radio telescope has a parabolic surface, as shown below. A parabola opening up with vertex at the origin is graphed on the coordinate plane.

mylab.pearson.com h - Black. Pearson MyLab and Mastering P Course Home Lil Pearson MyLabMath - Black. P Pearson MyLab and Mastering P Assignments P Do Homework - Section 1. Col Alge & Trig En Sci |_Ingram_Spring 2024 kar Question 1, 1.5.13 HW Score: 0%, 0 of 14 points k: Section 1.5 Homework Part 1 of 2 Points: 0 of 1 Express the graph shown in
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Evaluate the function at the given value of x. Round your result to three decimal places. Function Value f(x) = 1.1ex/5 X - 280 x 1024 Need Help? Read It Watch It
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Question 10 V Let 1 f(ac) = x - 3, - 5
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3) In a card game, a player J is dealt a hand of six cards (the order is any order). not). In the following, motivate your answers; therefore only give a numerical answer will not be enough. a) How many different hands with at least two cards of the same value? b)For this exercise we don't want to distinguish two hands if both hands have the same

The mean of the t-distribution and the mean of the Z distribution are both 0. Group of answer choices True False

find the value of b such that the graph of y=x is tangent to y=b^x

Constants: Atomic mass unit: =1.660538921x107% [kg] Planck's constant: =6.62607x103 [J 5] Problem 1 (2 marks) Consider a particle moving in a 1D-box of length a. The general solution for the eigenfunctions is: Y, (x) = Esin (naix) The energies corresponding to these eigenstates are: 2202 B, = (ViR = 8ma? a) Obtain the expression for the
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need help from anyone who is good at statistics! thank you automatically. Updat 6. -/10 POINTS WANEFMAC7 9.5.029. LSAT test scores are normally distributed with a mean of 151 and a standard deviation of 6. Find the probability that a randomly chosen test-taker will score between 145 and 169. (Round your answer to four decimal places.) Need Help?
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The answer is B but I need help with what percent the economy shrank by over the four year period. .O State whether the following statement is true or false, and explain why. If the statement is false, state the true change. If the national economy shrank at an annual rate of 3% per year for four consecutive years, then the economy shrank by 12%
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Question 3 (workbook Q9): Small toys are assembled in four stages (centres 1, 2, and 3 and Inspection) at the Bengal Toy Company. After each assembly step, the appliance is inspected or tested; if a defect is found, it must be corrected and then checked again. The assemblies arrive at a constant rate of one assembly every two minutes. The times to
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solve question 2 only..detailed please Statement Swimsuit development took a massive leap forward in 2009 with the introduction of 'Speedo LZR' suits with polyurethane suits such as the 'Arena X-Glide'. It was hypothesized that the suits reduced the effective cross- sectional body area of the swimmer and the drag coefficient when moving through
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Level 2 Compound Interest Over Irregular Periods Many scenarios given to you when learning about the compound interest formula include whole years. Life doesn't always work in nice whole numbers! How would we handle a situation where we wanted to calculate a balance after 19 months or 27 months? Scenario: Kira takes a $12,000 loan that has a 5
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Use the following information for 12-13 On December 1, 2021, Autumn company assigned on a non-notification basis accounts receivable of Php3,000,000 to a bank in consideration for a loan of 80% of the receivables less a 5% service fee on the accounts assigned. the interest rate of the loan is 12% per annum. The company collected assigned accounts

How statistics has been related to the field of nursing and health sciences?

Compute the determinant of the following matrix A using 3 different meth- ods listed below A = 2 -1 0 2 (a) Compute det(A) by (directly applying) the cofactor expansion along the third row. (b) Compute det(A) by (directly applying) the cofactor expansion along the second column. (c) Compute det(A) by the "six-term formula"
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Please round the final answer to one decimal place as needs. Round all intermediate values to three decimal places as needed. Homework: Module 4 Homework (unlimited attempt Score: 0 of 1 pt 10 of 23 (9 complete 4.3.13 Complete the following sentence. The gestation period of horses (336 days) is percent longer than the gestation period of pigs (115
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Solve this linear programming problem using the simplex method: Maximize P = 42x + 288y + 48z subject to these constraints: 2x + 16y + 2z 144 10x + 4z 216 6x + 64y + 12z 768 x 0, y 0, z 0Maximum value for P = (No Response) . This value of P occurs when: x = (No Response) y = (No Response) z = (No Response)

b. Calculate the Expected Value of Perfect Information [3 marks]
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Please provide answer. I selected B and would appreciate clarification on this answer, as well as an overview. Thank you!! An experiment was conducted to compare the effectiveness of three pain relievers. A one-way ANOVA was performed, and SSAand SSA/S were calculated. During the data collection, the gender of the participants were recorded. The

2. (20 points) (Under-constrained equations) Solve the following minimization problems by hands. Please list your key steps. Please also verify that your solutions are correct by drawing the graphs for the problems. Let & = 4 1 and y = 1. (a) (10 points) Solve min Ixl/2 subject to r = y. TER2 (b) (10 points) Solve min x1 subject to Or = y
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simplify the following (round to two decimal places) a) $74/0.13 x 200/365 b) 130/3200 x 118/365 c) $2578/ 1-0.26 x 270/365 d) $4839/1+0.16x84/365 e) 9016 (1+ 0.14 x 225/365)

A test is performed with a sample of size 100. The sample mean was 6.90 and the population standard deviation is 60. Assume that the population is approximately normal. Use the TI-84 PLUS calculator to compute the P-value. A test is performed with a sample of size 36. The sample mean was 2.36 and the population standard deviation is 18. Assume

Which of the following functions best models the data represented by the scatterplot shown below? 0 24531012141513 " y=8w2+10 ' y=2z+12 y: 1603: 100 'y=25x+20
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I stuck on that could you help me Matrix Find the value of the parameter [I that makes the determinant of the matrix D 4 4 1 2 1 I} 1 1 D I} 1 a 1 3 2 equal to zero. ExpreSS ycrur an5wer using three decimal places crf accuracy
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Apply the general constructions given in the lectures to construct the minimum-state DFSA which recognises those strings that match the regular expression: Apply the general constructions given in the lectures to construct the minimum-state DFSA which recognises those strings that match the regular expression: [10 marks] 0 | [1-9] [0-9]* |0[1-7]
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Scenario Nominal Discounted Net Present Internal Rate of Payback Payback Value Return #1: Amber Between year 3 and Between Year 4 and #2: Brian Between year 2 and Between year 3 and #3: Caleb Between year 3and |Between year 4 and #4: Dylan Between year 3 and |Between year 4 and #5: Eva N/A N/A N/A
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Use the formula for the future value of an ordinary annuity to solve for n when A=$6,000, the monthly payment R =$350, and the annual interest rate m r= 9.0%. A = R m n= (Round up to the nearest integer as needed.)
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For this presentation you will need to develop and present your original research design. The presentation must include the following elements: 1. Research Question 2. Hypothesis 3. Citing of relevant literature on the research topic: for example if you choose project on the effect of trade on war initiation, you need to cite at least 1 journal

Given P ( A ) = 0.4, P ( B ) = 0.5, P ( A | B ) = 0.3, do the following. (a) Compute P ( A and B ). (b) Compute P ( A or B ).

What amount of loss on factoring should Hope World company recognize? 4 points a. None b. Php12,000 c. Php24,000 d. Php42,000

State if each triangle is a right angle,acute ,or obtuse \f
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4. Which quadratic equation below could be used to represent the following situation? A rectangular painting has dimensions x and x + 8. The painting has a frame that is 3 in wide. The total area of the picture and the frame is 384 in* 2. Find the dimensions of the painting in inches. 27 + 13z - 351 = 0 O 27 + 20z + 84 = 384 27 + 132 + 33 = 384
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Solve following question 2}. Given is the equation 2\" = 3 + 3J3; [a sketch is helpful}. A} Give all solutions of the answer of Z in exponential notation. B] Write these complex numbers {solutions} in an Argand Diagram
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1. An n by n matrix A is said to be a circulant matrix if aij = b(j-i) mod n. For example, three by three matrices are of the circulant if they take the form bo b1 62 A = b2 bo b1 b1 b2 bo (a) Suppose A and F are n by n circulant matrices, show that A + F and AF are both circulant. Moreover, show that AF = FA. (Circulant matrices form a
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An insurance agent likes to sell two types of policies to his clients, selling them both life insurance and auto insurance. The following joint distribution summarizes the properties of the number of life insurance policies sold to an individual (X) and the number of auto policies (Y). \f
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Hello I need help answering the following questions, thank you ! The speed with which consumers decide to purchase a product was investigated by a group of researchers. The researchers hypothesized that consumers with last names that begin with letters later in the alphabet and consumers with last names that begin with letters earlier in the
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Exercise 13-9 (Algo) (LO13-2) Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 20 stations last Tuesday, the correlation was 065 The following hypotheses are given. a. State the decision rule for 0:050 significance level (Round your answer to 3 decimal
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In a survey of 490 drivers from the South, 396 wear a seat belt. In a survey of 360 drivers from the Northeast, 276 wear a seat belt. At alpha equals 0.09, can you support the claim that the proportion of drivers who wear seat belts is greater in the South than in the Northeast? Assume the random samples are independent. Complete parts (a) through

Let C be the curve which is the union of two line segments, the first going from (0, 0) to (1, 2) and the second going from (1, 2) to (2, 0). Computer the line integral 1dy-2dx c

Please show solutions. 1. Find the equation of the tangent line to the curve y = f (x) at the given point. a. y - f (x) - x? - x. at (3,6) by = f(x) = 1 x3.at ( 2.9 ) 2. An object moves along a line so that its position at any time t is given by the function s = f(t). where s is measured in meters and t is measured in seconds. Find the
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5. (10%) Consider the optimization problem minimize (x - 2)2 subject to (x+3)(x-1) = 2 State the dual
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Let u and w be two distinct vertices in a nonseparable graph G. If H is obtained from G by adding a new vertex v and joining v to u and w, then H is nonseparable.

Given the matrix below, perform the following row operation: R2 being replaced by R2 + 3R1? Write your answer as a matrix using the following syntax: square brackets, the entries are listed by rows (with one space between each entry ), with the rows separated by a semicolon. Please follow this example: [4 5 12;5 6 10] 1 -5 2 -3 2 -1
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QUESTION 5 Find the directional derivatives for a function (a) = sin yz + In(x2) at the point (2.3.2:) in the direction of the vector A = 2!. + 2} 5k. (10 marks)
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Consider the following data on x = rainfall volume (m 3 ) and y = runoff volume (m 3 ) for a particular location. x 6 12 14 17 23 30 40 50 55 67 72 80 96 112 127 y 4 10 13 14 15 25 27 46 38 46 53 73 82 99 102 Use the accompanying Minitab output to decide whether there is a useful linear relationship between rainfall and runoff. The regression

1. Susan scored 65%, 71%, 68%, and 71% on the first four tests. What must she score on the fifth test to obtain an average test score of 69% for the five tests? % 2. A footwear retailer sold 22 pairs of sneakers for $55 each, 14 pairs of leather shoes for $170 each, 20 pairs of boots for $255 each, and 17 pairs of canvas shoes for $75 each.

If you don't know the population standard deviation, what do you use as a substitute in your test statistic? Group of answer choices uo (stands for mu sub zero) x-bar s sigma

The roots of a certain quartic satisfy the following: a + b + c + d = 5 a 3 + b 3 + c 3 + d 3 = 35 a 2 + b 2 + c 2 + d 2 = 15 a 4 + b 4 + c 4 + d 4 = 99 Find the quartic and its roots.

The functions f(x) = x 2 - 1 and g(x) = -x 2 + 4 are shown on the graph. Explain how to modify the graphs of f(x) and g(x) to graph the solution set to the following system of inequalities. How can the solution set be identified? y > x 2 - 1 y ? -x 2 + 4 \f
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question 1 Section 4.3 #8 Write each equation in exponetial form 2 = log: 9Sectin 4.4 #60 Use the properties of logarithms to write the following experessions as a um or difference of sample logarithmic term.l
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An online retailer would like to know whether the proportion of customers who visit the site and make a purchase is different than . A simple random sample of customers is taken. The results of the sample are shown below. 22?,';;',5:65 7.1.1: Two-tailed hypothesis testing for a population proportion (one sample). D Jump to level 1 An online
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Can youanswer this question pls. Using polynomial division and partial fractions, decide which of the following is equivalent to the expression x*+ 2x- + 2x+1 (a2 - 1) Choose one answer. 5 09 O (x2 + 3) + 2(x + 1) 2(x - 1) 3 1 o (22 -1) - + ( + 1) (x - 1) 1 3 o (72+ 3) + ( + 1) ( - 1) 1 O (22 -1) - 2(a + 1) 2(x - 1) 5 O (22 + 2 ) - 2(x + 1) 2(x -
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4Please tell me the p value The null hypothesis? Reject or fail to reject? And why?The final conclusion? Sufficient or not? A poll of 2,029 randomly selected adults showed that 97% of them own cell phones. The technology display below results from a test of the claim that 91% of adults own cell phones. Use the normal distribution as an
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Answer the following question AABC ~ AEDF. Determine the value of x. B D 47 0 47 0 (2x + 16)0 (7x - 54)0 A C F E The value of x is
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Which of the following do you expect to be periodic? Choose all that are periodic. I wa The rhythm of the human heart, at rest, over time. The average monthly temperature of Hamilton, Ontario recorded over the last 5 years. The rise and fall of sea levels created by low and high tide, respectively. The number of cars purchased annually in Ontario
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Solve the system by the method of your choice. 5 x plus 3 y5x+3y equals= 44 20 x plus 12 y20x+12y equals= 1616

1 The graph of y = Asin(B(x + C)) + D is shown below, use the section between the dots to determine the values of A, B, C and D. 4- 2- 5 A 7 It 4R 3X 7 1 O NO # 2 OF 1 /3 6 14 X -2. Type Pi for * where needed A = B = C = D =
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Jean is an 87 year- old woman who has suffered a weakening stroke that had paralyzed the left side of her body. Aside from the stroke, Jean has been diagnosed with PTSD due to a sexual assault she experienced 2 years ago. Due to Jean's stroke, she is considered a non-medical care patient, as she requires assistance with basic daily activities such
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Consider the maximization problem max r s.t. z +1 = 9xy Ty (note, the objective function in simply f(x,y) = z). If by any chance your answer contains roots without rational answers, just leave them as is (e.g. f,/i._') do not compute a numerical approximation. . o ) review the implicit function theorem! a) (6 points) Find the stationary points,
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Apply the operators i d dx and d 2 dx2 to the following functions, and verify whether these functions are an eigenfunction or not: a) e iax b) e ax2 c) Z x d) cos x sin x In this case, a is a real constant and Z is the core charge

Find the perimeter of the figure. ( -*2 + 4x) feet (3 x 2 + 4) feet (5x - 3) feet The perimeter of the figure is (Simplify your answer.) Clear all Check ample Get more help -Write the following polynomial in descending powers of the variable and with no missing powers. - 65 - 65 = N X Vi Vi (1,!) More Check answer example Textbook Clear all
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42. Identify the amplitude and period of this function: y = 5 sin 2

Solve the equation 5L = kB'D' for the variable D. Assume all other letters represent non-zero constants
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Find the graph of the given function. yequalstanleft parenthesis x minus pi right parenthesis Question content area bottom Part 1 Choose the correct graph below. A. x y StartFraction pi Over 2 EndFraction StartFraction 3 pi Over 2 EndFraction A coordinate system has an unlabeled horizontal x-axis labeled and an unlabeled vertical y-axis. Two

b) Find the sum of the GP: 12 16 . r=1 Question.4 (6+4=10) a) Solve the following Linear programming problem: Maximize Z = 27x, + 36%2 Subject to the constraints: 2x1 + x2 590, X + 2x, = 80. *1 20, b) A fair coin is tossed 4 times. Find the probability of getting: 1 . At least 2 heads 11. At best 2 heads Question.5 (6+4=10) a) A committee of two
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In comparing the data sets of East versus West labor rates, we assume the data is not normally distributed and that the data sets have unequal variances: East labor rate= Number of observations = 6, Sample variance= $830.28 West labor rate= Number of observations = 9, Sample variance= $440.59 What type of analysis does not require these strong

I just want to know the R code for this problem. The attached file contains sales data ofsales records for10,000customers. Extract data for both males and females where the number of orders is 2 and the total sales exceed $550 . You are to test if sales variance for males exceed that of females at .05 l.o.s. How many degrees of freedom for males?

Find the area of the sector formed by
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1-6 are completed correctly I just need help on all the others Items 9-11. Refer to the diagram shown. Items 12 and 13. Refer to the diagram shown. 46 C 9. If WX = WZ, is APXW = APZW? F E 6 D 10 Explain. 12. What is myBFD? A Yes; the triangles are congruent by SAS. 13. What is AC? Yes; the triangles are congruent by ASA. 14. Which triangle is
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Consider the homogeneous system of equations with coefficient matrix 3 9 -1 A = 0 1 -2 6 18 -4 [Fiecall: A homogeneous system is one where the right hand side of each equation is 0.] (a) State the number of variables in the homogeneous system of equations. Number of Variables n = (b) Determine the rank of A. Rank = (c) Use the results in parts (a)
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Modern Algebra: Finitely generated abelian groups Please explain it clearly Exercise 13. How many distinct subgroups of order 10 are there in a non-cyclic abelian group of order 20
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17. Jaylen is making biscuits using the recipe. Whole Wheat Biscuits 2 c Whole wheat flour How many cups of flour will he need to make 4 tsp Baking powder 3 tsp Salt 30 biscuits? 2 tbsp Shortening 1 c Milk 1 Small egg Makes 8 biscuits 18. Beth walked 3 blocks in 15 minutes. Based on this rate, determine if each statement is true or false. a. Beth
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The demand for rubies at Royal Ruby Retailers (RRR) is given by the equation q = -1.9p + 90 where p is the price RRR charges (in dollars) and q is the number of rubies RRR sells each week. Assuming that due to extraordinary market conditions, RRR can obtain rubies for $34 each, how much should it charge per ruby to make the greatest weekly profit?

c) Using the method of partial fraction expansion, determine the closed-form expressions of the impulse response and the step response. Use subplot to compare graphically with the result of part (b). [2 marks]
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It is through _____ that we use inferential techniques. a. standard deviation b. slope

help with A & B 2. Diego also wants to know how many students in his high school watch television shows on a computer. He takes another simple random sample of 100 students at his school and finds that 65 of them watch television shows on a computer. Part A: What is the sample proportion, p, for Diego's data? (3 points) Part B: Is Diego's sample
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Can you please help me with this in 20 minute step by step if you can please Q4 (5 points) Find the linearization of f(x) = (1 + x) at a = 1 and use it to approximate (2.001)Q5 (5 points) When a cold drink is taken from a refrigerator, its temperature is 5 C. After 25 minutes in a 20 C room its temperature has increased to 10. What is the
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Solve the system by the substitution method. x plus yx+y equals= negative 88 y equals= negative 3 x3x

Determine the tangential and normal components of acceleration for the object whose position is given by r(t)=

Durante los siglos XV y XVI, surgi el Renacimiento, un movimiento cultural que revitaliz el inters por la ciencia y el conocimiento. Hacia el final del Renacimiento, durante los siglos XVI y XVII, la ciencia experiment una transformacin radical. Figuras como Galileo Galilei, Johannes Kepler, Ren Descartes e Isaac Newton desarrollaron nuevas teoras

A Sample of 18 widgets has a mean of 47. And standard deviation of 99.550, At 99% confidence, the upper limit with 3 decimal places the solution to that is: upper limit =47 +2.898*99.550/sqrt(18) =114.999 How did the 1.833 came about when I check the Zscore of a 99% confidence it would be (1-.99) = .01/2 = .005 Zscore of ..005 would be 3.355

I was in the nurse's office when the teacher explained this and I don't get it. Please help! Thank you. \f
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Matrix question old Past paper, need help... will use your methods to understand more and try using the new things I learned on a different past paper, thank you in advance to whoever answers it 4. Matrices (9 marks) 1 1 N 2 A = 4 4 7 2 3 0 (i) Determine the scalar p such that pA = I + A2. (2 marks) (ii) Determine the scalar q such that B2 = 6B.
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Having trouble calculating this problem : According to a report in U.S. News from April 2013, the average price of gasoline at all U.S. gas stations was $3.00 (). The population standard deviation () of gas prices is $1.75. LetXbe a random variable denoting gas price at gas stations. We plan to take a random sample of 36 gas stations. What is the

A star has an hour angle of 4 hours. What can you conclude

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