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Mathematics Questions and Answers October 02, 2021

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Given the 4x4 determinant as enumerated: Row 1 (41,25,33,-67); Row 2 (-487,21,52,20); Row 3 (15,7,54,4); Row 4 (-548,-320,481,541). In the Laplace Expansion of determinants, there are 6 pairs of 2x2 cofactors. Find the product of the second pair of 2x2 co - factors.

Find a polynomial of degree 3 with real coefficients and zeros of -3,-1, and 4, for which f(-2)=30

can you answer the question Pricemileage N 7575 Lo 94% CI1325859702 Mean 1394565109 Up 94% CI1463270515 SD 3114.324512 Minimum 9990.0 9657.0 Median1299063583 Maximum27590 10313 For your Price variable, interpret the standard deviation by giving me a range in which you think "most" of the values (i.e., the x's) will fall. (Hint: you will need to do

I am new to school, been quite some time for math, how do I even start this assignment? In this assignment, required to use the Heart Rate Dataset to complete the following: Identify the variables in the dataset Classify each variable as qualitative or quantitative discrete or quantitative continuous Specify the possible values of each variable

When using SPSS to produce descriptive statistics for nominal variables, which of the following is the most appropriate? Group of answer choices Means Frequencies Medians Standard Deviations

A company that specializes in language tutoring lists the following information concerning its English-speaking employees: 23 employees speak German; 27 speak French; 31 speak Spanish; 45 speak Spanish or French; 38 speak French or German; 46 speak German or Spanish; 8 speak Spanish, French, and German; and 7 speak English only. (Round your answer

A nuclear power company is deciding whether or not to build a nuclear power plant at Diablo Canyon or Roy Rogers City. The cost of building the power plant are Cost of building at Diablo Canyon $10 million Cost of building at Roy Rogers City $20 million
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Catherine is paying off a $2400 loan by making equal payments over a year period until the loan is paid. Express the amount of debt remaining as a function of time in months.

You purchase a car worth $28647 and make a down payment of $3446. You intend to repay the balance of the car with month end car payments of $341 for 5 years and a final "buyout" at the end of 5 years. Money can earn 4.18% compounded semi-annually. What is the monthly compounded rate of interest that is equivalent to 4.18% compounded semi-annually?

Doctor orders Amoxicillin 120 mg po q4h. Doctor orders Amoxicillin 120 mg po q4h. Available is Amoxicillin suspension 40 mg per 5 mL. How many tablespoons will the nurse administer per dose? T Answers 1 - 1
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Assume the distribution of the data set is approximately normal, with the sample mean E and the sample standard deviation 5 given. Find the intervals (referred to by the Empirical Rule) that are l, 2, and 3 standard deviations about the mean. Carefully sketch the corresponding normal curve for the data set, indicating the endpoints of each
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A sporting goods manufacturing company wanted to compare the distance traveled by golf balls produced using four different designs. Ten balls were manufactured with each design and were brought to the local golf course for the club professional to test. The order in which the balls were hit with the same club from the first tee was randomized so
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E Question 3, 8.4.9 HW Score: 0%, 0 Homework: 8.4 HW Part 1 of 2 Points: 0 of 1 Next question Determine (a) the volume and (b) the surface area of the three-dimensional figure. Use the x button on your calculator. 11 in. L 6 in a) The volume of the cylinder is (Round to the nearest hundredth as needed.) T
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A sealed tank is filled with an ideal gas to atmospheric pressure at 24.0 C. During a fire, the temperature of the tank reaches 9.50 x 10 2 C. Assuming the volume cannot change, what would be the pressure of the gas inside the tank at this temperature? The magnitude of the acceleration due to gravity on the Moon is 1.62 m/s 2 . Astronauts on the

The set of all solutions to the equation Z4 i 16 = 0 is {2*exp(3*Pi*I/4),2*exp(3* o 3] [ Hence the set of real quadratic factors of Z4 + 16 is E] [E]. Note: . you can see your whole answer, and check syntax, with the preview button . the Maple syntax for the set {1, 1 -i ix/i} is {1 , 1+I*sqrt (2)} o the Maple syntax for the set {Z2 i 1,22 z 1} is
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Paste the data, handwidth, in the Corr/Regression applet and make a scatterplot. Describe the direction, form, and strength of the scatterplot. Skip Question6 CommentsFlagQuestionFlag for Copyright

f ( x ) = x 2 +4 x 3 and g ( x ) =4 x 2,find the following function. g f

The topic is independent normal variables. The question is attached as an image

The graph of the rational function f left parenthesis x right parenthesis equals fraction numerator x minus 2 over denominator x squared plus 4 x minus 5 end fraction will have a vertical asymptote at _________. a.) x equals short dash 5 and x equals 2 b.) x equals 1 and x equals 2 c.) x equals short dash 5, x equals 1, and x equals 2 d.) x equals

11.1-11.2 Solve the triangle, if possible. Determine the number of possible solutions. A=T77 a=12.7 b=91 Select the correct choice below and fill in the answer boxes within the choice. (Round to the nearest tenth as needed.) () A. There is only 1 possible solution for the triangle. The measurements for the remaining angles A and C and side are as
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Unidad 3 - Gramtica I. What is the time? Write the time in complete sentences, the way that you would say it. Make sure to indicate the time of day (de la maana, de la tarde, de la noche) when appropriate. Follow the model. 7:15 a.m. Son las siete y cuarto de la maana. OR Son las siete y quince de la maana. 10:30 p.m. Son las . 3:45 p.m. Son las .

Question is below: A Gallup poll surveyed Americans about their employment status and whether or not they have diabetes. The survey results indicate that 1.5% of the 47,774 employed (full or part time) and 2.5% of the 5,855 unemployed 18-29 year olds have diabetes. (a) Create a two-way table presenting the results of this study. (b) State
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(1). The following is a tableau for an LP which is a MIN problem: \\ \\2\\-4| S 0| | 1| 1] of 1l o 1|01 Ll_l_l_|_|_|_71_l (a) Fill in the value of each variable: x;, =, x, =, 5, = e, =, ; = (b) Which of the variables are basic? (c) This is not an optimal BFS. Which variable should be selected to enter the basis? (d) For your choice of entering
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work it out You have been asked to test a new formula for an energy drink against the old formula. You gather two groups. Group 1 is given the new formula. Group 2 is given the old formula. You ask both groups to rate their energy level on a scale from 0 to 10. with 0 meaning "very tired" and 10 being very energetic." The descriptive statistics
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Perform the following operations. Reduce all answers to lowest terms.Convert answers to mixed fractionswhere possible. (3 marks each) 1) 27 10 +5 8 2710+58 2) 61 5 21 3 615213 3) 9 35 7 15 935715 4) 41 6 5 8 41658 5) In a year, ahospital admitted4500patients.If 4 15 415 of the patients had heart or lung diseases, how many patientshad heart or lung

factor the following x+4x-21 d-7d-10 12w-w2 3m+2m-8 121-f complete the square for the following x+14x x+6x+2

Murilo is writing a speech on how to save money on your household electric bill. One of the questions on his survey asks how many children the survey participant has. This is an example of . Group of answer choices Likert-Type Questions Value Ordered Questions Attitudinal Questions Demographic Questions

Belinda borrowed $17,500 at simple interest rate of 5.40% p.a. from her parents to start a business. At the end of 4 months, she paid them $3,200 and $6,700 at the end of 6 months. How much would she have to pay them at the end of 18 months to clear the balance? Use 'now' as the focal date.

A random sample of the lifetimes of20inexpensive wristwatches has a standard deviation of4.2 months. Assume the variable is normally distributed. Use the chi-square distribution table to find any chi-square values to three decimal places. Round your final answers to one decimal place. question: Find the 90% confidence intervals for the variance

Strontium-90 is a common radioactive waste product from nuclear fission. The half- life of strontium-90 is 28.8 years, that is, it takes 28.8 years for half of a sample of strontium-90 to decay. If a nuclear waste facility is asked to store 27,000 kg of strontium-90, how long will it take for the amount of strontium-90 stored to be only 1 kg?

One Variable Word Problems Practice: Show your work: One Variable Word Problems Practice: one and two. ONE VARIABLE WORD PROBLEMS practice actions: Write the equation that represents each scenario and solve. 1. Ms. Yara has 50 pieces of candy. She gives two 2 The sum of three consecutive numbers is 27. pleces to each of her students and saves the
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3. A tank in the form of a right-circular cylinder standing on end is leaking water through a hole in its bottom. When friction is ignored, the rate of change of the height of the water in the tank is given by this equation: (

Finite Graph: S1 Domain and Range Find the domain and range for each graph. 1) 2) 3 ) Ay T-725- --+20 +15- -20-16-12 -85 $12 16 20 - to 6 - $ 3 12 15 18 21 24 -+15- -420- 125 Domain: Domain: Domain: Range: Range: Range : 4) 5) AY 5) 727 121 +18- -16-14-12-10 -8 -25 -20-15-10 -5 5_10 15 20 25 Domain: Domain: Domain: Range: Range: Range: 7) Ay 8) AY
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The outer layer of the earth, the crust, is approximately _____. The outer layer of the earth, the crust, is approximately _____. 75 to 90 miles thick 25 to 50 miles thick 15 to 20 miles thick 50 to 75 miles thick

plaz solve the with thank you

A neurologist wants to test the effectiveness of a new anti-seizure medication. On the current medication, epileptic patients have an average of M= 8 seizures per year with a s=2. With her drug she thinks she get seizures down between 9 to 4 times per year. a. What's the probability notation? b. Draw a curve, include the numbers and shade in the

in a five member team to go science fairthree scientistsand two students are to be selected A B C D and E are scientists and P Q R and S are students. A will not go if C goes, P will go only if Q goes. Q will not go if R goes. B will go only if E goes D will not go if S goes E will not go with P B will not go with R. 1.what is the largest number

Before beginning to teach computation with decimal numbers, teachers should ensure that students have mastered which prerequisite skills? (Mark all that apply.) Group of answer choices Whole-number concepts and computation Fraction concepts and computation Measurement Place value

What proportion of a normal distribution is located between the mean and z = -0.40? Please include formulas and how the solution was achieved. Thank you.

These are the number theory questions. I have no clue how to do these. Please explain to me step by step. Thank you 2. Suppose (1,5, and c are integers. Prove that ifa | b and a. | c then a. | b + c and a. | b c. 4. What is the largest in. such that 16 and 25 are in the same remainder class modulo R? Write out the remainder class they both belong
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please answer the following Question 2. Consider the model Yij = u + ti + Rij with i = 1,2 and j = 1,2,3 where Rijk ~N(0, 62). Derive the estimates of all the non sigma parameters
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Send an email to your Office Manager (your assessor). The text of the email should be in grammatically correct English, written in an appropriate (polite, business-like) style. The text of the email should summarise what is in the attachments. Attach both drafts of the newsletter to the email. Provide the hard copy of your marked-up checklist to

Compute the error at the given condition:1. y = sin 3x, using h=1, x i = 0, until 5 th order Taylor's series.2. y = e -2x , use h = 1.5, x i = 0, until 10 th order Taylor's series. - Compute the error at the given condition: 1. y = sin 3x, using h=1, x = 0, until 5th order Taylor's series. 2. y = e-2x, use h = 1.5, x = 0, until 10th order Taylor's
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QUESTION 1 Let L 1 be the line passing through the point P 1 =(?5,2,1) with direction vector ?d =[?3,?2,3] T , and let L 2 be the line passing through the point P 2 =(1,?2,?1) with the same direction vector. Find the shortest distance d between these two lines, and find a point Q 1 on L 1 and a point Q 2 on L 2 so that d( Q 1 , Q 2 )= d . Use the
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Admission to a museum is $30 for adults and $20 for students. The freshman class is attending a field trip with teacher chaperones. Mr.Frees collects $4570 total from teachers and students, and 225 total people go on the field trip. How many students and teachers attended

Part 1: Use the unit circle values to complete the chart. X -2n 3 Jt - TC 0 NE 3 it 2 y = cos(xx) 0 0 Part 2: Plot the coordinates (x, cosx) from the chart above on the graph below. - 2/ - 7 3x 2n Part 3: Analysis - Write Pair Share: Analyze your graph by answering the following questions. Then you will take turns sharing with your partner and
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1. Let ) denote the vector space of all (real-valued) polynomials, P(r), which are defined on the interval 0
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________ is the first stage of Rogers' diffusion theory. Question content area bottom Part 1 A. Awareness B. Interest C. Evaluation D. Adoption E. Trial

Ten artists (of two different experience levels) are exhibiting their paintings in an art gallery. Three have exhibited in previous shows (making them "experienced artists") and seven have not. If a patron selects three paintings to purchase at random, find the probability of selecting: (A) the probability of selecting at least 2 experienced

8) Calculate the Margin of Error (E) for SAT scores 40US 9) at is the Upper Limit of the Confidence Interval 2pts 10) hat is the Lower Limit of the Confidence Interval 2pts new own words define the Correlation "nsiicient (ante)
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THE ClN F OUleAlN Learning Objective: The study of parabolic curves through the design of water arcs. 0 Students can work alone or with one partner. 0 Due date is posted in Blackboard. Overall Project Plan: 'Qbo' You have been hired to design the water arc of a coin fountain. You will '3 Q design your fountain, show your fountain on a graph, and
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all please step by step i want to learn. (Algebra 1 by the way) Do you know how to recongnize an exponential equation? How do you solve and exponential equation using the properties of exponets?

Card A is a 10 W AA X Card B is a 10 + Matthew has a standard deck of cards. There are four suits with 13 cards in each from ace through to king. He shuffles the deck and selects one card and then another. In its simplest form, what is the probability that he draws a pair of tens? 1st Attempt: Probability of getting a pair of 10s

Given empirical evidence, which of the following accurately describes a problem with using life expectancy as a measure of health? Given empirical evidence, which of the following accurately describes a problem with using life expectancy as a measure of health? Cross country differences in life expectancy at birth are much smaller than differences

Write the prime factorization of 560. Show your work. 2. Determine the GCF of 24, 48, and 56. Show your work.

The dividend grew during one period from $1.10 to $1.17 per share. What was the growth rate? (Answer in whole percentage, rounded to two decimals #.##, e.g. enter 7.25% as 7.25)

Advertisers fear that users of DVRs (digital video recorders) will "fast forward" past commercials when they watch a recorded program. A leading British pay television company told its advertisers that this effect might be offset because DVR users watch more TV. A sample of 20 DVR users showed a daily mean screen time of 2 hours and 29 minutes

Find the value of 113542 ; x = 2, y = 1. Question 17 Select one: a. 11 b. 44 c. 88 d. 66 Question 18 Not yet answered Flag question Question text Add the polynomials 5x 2 3x 7 and 4x 2 + 3x + 2. Question 18 Select one: a. 9x 2 + 6x 5 b. 9x 2 + 6x 9 c. 9x 2 5 d. x 2 + 6x 9

Suppose the monthly cost for the manufacture of golf balls is C(x) = 3260 + 0.61x, where x is the number of golf balls produced each month. a. What is the slope of the graph of the total cost function? b. What is the marginal cost (rate of change of the cost function) for the product? c. What is the cost of each additional ball that is produced in
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4 points Save Answer Ashley is buying a new car at a cost of $12,000. At midnight tonight, the interest rate will go down from 5.5 to 5%, compounded continuously. If Ashley is financing the car for 5 years, how much will she save by waiting until the rate goes down? Round to the nearest dollar. $390 $1230 $60 $620
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Practice Problems Perform the indicated operation and reduce all radicals. 1) 6-Vy-5 =3 2) V2-x+3=x+7 3 ) Vx + 4=0 4) 4y+1=y-1 5) 2p+3 =\\5p-3 6) v5x +4 =3Vx 7) 2x = V4x3 + 6x-12 8) 2x = Vx+7-1 9) Vx-1 =4 10) Vx-2 + Vx-13 =11
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What type of question is qu Group of answer choices Open-Ended Multiple Choice Closed-Ended Likert-Scale
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Use the graph of f(x) = x4 to write an equation for each function whose graph is shown. (a) y 2 -4 y = (b) y 4 2
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I am currently working on this problem of Multivariable Chain Rule in my calculus 3 class.I need help on solving this problem. \f
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What can be concluded from the post hoc tests in the table below? What can be concluded from the post hoc tests in the table below? Dependent Variable: PERFORM Tamhane Mean Interval GROUP J GROUP -_ Bound Bound 1.00 2.00 09879" 3.238 .040 49.6053 -.3?05 2.00 1.00 938?? 3.238 .3705 19.6053 "IE-- 2.00 5.?116 3.238 .102 -.3539 12.2??1 *. The mean
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In conducting post-hoc analysis for ANOVA, the alpha value decreases based on the number of tests required to find the difference between specific groups. True False

If the cost, C, for manufacturing x units of a certain product is given by C =x + 15x + 60, find the number of units manufactured at a cost of $10,510. .. . There are |110 units manufactured at a cost of $10,510
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what does The rate increase is 27% yearly or 2.25% monthly. The number of payments is 30 years x 12 months = 360 payments. The monthly annuity amount is $20,250/12 = $1,687.50. The present value of the annuity (PVA) is then calculated using the formula for the present value of an annuity meaning

Use a graphing utility or computer software program with matrix capabilities to write v as a linear combination of U1, U2, Us, U4, Us and us. Then verify your solution. U1 = (1, 2, -4, -3, 3, 4) U2 = (3, -1, 1, -3, 4, 3) U3 = (1, 3, -4, -1, -1, 2) U4 = (4, 1, -4, 4, 3, 4) Us = (1, -1, -4, 2, -1, 3) u6 = (3, 1, -4, 4, 3, 1) v = (14, 25, -21, -5,
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How to solve these words problems The mean of a set of test scores was a 75 and the standard deviation was 6. Use this information to answer questions #2-5. Remember: z = X-H 2. Label the normal curve on the right with the mean and three standard deviations each direction. 3. What is the z-score for a test score of 84? a. 1.5 b. 9 c. -1.5 d. -9 4.
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How long will it take 952 mg of cobalt-60 to decay to 636 mg if the half-life of cobalt-60 is 5.3 years? o years Round to one decimal place
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Caso 1: Consultorio Mdico A usted se le ha encargado el diseo de un simulador para lo cual sigue cinco etapas en el proceso (no es necesario que se ejecuten en el orden indicado): 1. Diseo del simulador. En esta etapa identifica las entidades que participan en el sistema y las fuentes de aleatoriedad

I'I'UULBIII A Let V = R2 be a vector space with the usual internal and external operations in R2. Prove if the next subsets are subspaces of V. If they are not subspaces, explain which one of the 2 conditions given in class does not hold. 1. W1 = {(112,y) 6R2 : 2m+3y=0} 2. W2={(:t,y) en? : 2:30} 3. W3={(:t,y)ER2:y=U}
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As a population grows, it As a population grows, it reaches its carrying capacity, then grows for a period of time before it becomes stable. grows rapidly for a time, slows its growth, then declines. begins as a stable population, then reaches its carrying capacity. grows slowly at first, then grows rapidly, then stops growing

6. Name the sampling method that best describes the situation below. A high school has 400 freshmen, 300 sophomores, 300 juniors, and 200 seniors. The student newspaper conducts a poll asking if the football coach should be fired. The student newspaper chooses 30 male and 30 female students from each class to interview for the poll. Choose the
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1. Maggie's Pottery Barn is a mid-sized pottery shop selling handmade pottery to tourists in Cherokee, North Carolina. Seven products of interest are 1) standard clay mugs, 2) wolf mugs, 3) cat mugs, 4) right-handed hand warmer mugs, 5) left- handed hand warmer mugs, 6) clay serving trays, and 7) 10-inch clay bowls. (Some of these products are
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1. A client is prescribed famotidine (Pepcid ) 20mg PO PRN. Pepcid tablets are available in 40mg tablets. How many tablets will the client receive
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The margin of error for a confidence interval for a population is equivalent to the standard deviation times the z-score value, or t-score value depending on the size of the population, for the probability of interest times the standard deviation of the population. True or false?

24) A local nightclub has found that 80% of its reservations are for nonsmoking tables, while 20% are for tables for smokers.Find the probability that 3 randomly selected reservations are all for nonsmoking tables. a).216b).784c).512d).343 25) A pollster must randomly select 5 of 15 available people.How many differentgroups of 5 are possible?

If you use a blue or black ink pen you retain option of a re-grade

Two carts, A and B, race each other for a 1.4 Km track. Cart A is moving at a constant speed of 28 m/s. Cart B accelerates uniformly from rest at a rate of 1.75 m/s2. Determine which cart wins the race and by what time difference. How long does it take the carts to overtake each other.

The mean age of onset of Alzheimer's is= 72, with = 5.What proportion will develop Alzheimer's at age 65 or younger

Find a basis for the eigenspace of A associated with the given eigenvalue 1. -1 3 -10 A = -14 3 3 A = 13 -14 3 3 3/14 13/14 1 X eBook Submit
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Please help me to check my answer. If my answer has error, please correct it to me, thank you. Q1. Let A = {1,2,3,4,5], B = {1,2,3,4), and R = {(1,3), (2,1), (2,3), (2,4), (3,4), (4,2), (4,3), (5,1), (5,2)], S = {(1,4), (2,2), (2,3), (3,2), (3,4), (4,1), (4,3), (4,4), (5,3)}, be relations from A to B. (a) Find MR and MS. (2 marks) (b) Compute Ms,
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Show that /U1, U2, Ug) is an orthogonal basis for RY. Then express x as a linear combination of the u's. U1 = -2 - . . Which of the following criteria are necessary for a set of vectors to be an orthogonal basis for a subspace W of IR"? Select all that apply. A. The vectors must form an orthogonal set. B. The vectors must span W. OC. The distance
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Describe the capacity adaptation decisions that Crispe Cookies will need to consider concerning their capacity planning to cater for the expected growth during the time horizon specified. / Beskryf die
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which graph represents the graph f()= sin(1/3 )? \f\f\f\f
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Determine whether the graph is that of a function by using the vertical-line test. If it is, use the graph to find (a) its domain and range. (b) the intercepts, if any. (-2,4) (2,4) (c) any symmetry with respect to the x-axis, y-axis, or the origin. 10 Is the graph that of a function? Yes No If the graph is that of a function, what are the domain
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11:512020 Applied Math cuiz # 2 5. A study was conducted on the effectiveness of en HPV (human papilloma virus) vaccine. The researchers re , women from 16 different centers across the country to participate in the study through advertisements on college and in the surrounding communities. To be eligible to participate in the study, the subjects
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5. A test was given to a group of students. The grades and gender are summarized below. A B C Total Male 8 18 13 39 Female 10 4 12 26 Total 18 22 25 65 a) Find the probability that a student chosen at random was female. b) Find the probability that a student chosen at random did NOT earn a C? c) Find the probability that a student chosen at random
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Consider the next sentence in a tv ad: "The number of grams of saturated fat of this product is more than three times the number of grams of unsaturated fat." Can you Define two variables and translate the sentence into an inequality

Let be an angle. Write r=cos() and s=sin(). Express tan() in r and s . Avoid the use of roots

Write an equation for a rational function with: Vertical asymptotes at x - 2 and x = -6 x intercepts at x = 1 and x - 3 y intercept at 10 y =
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I'm having difficulty remembering which number the df is. The question I have is: What number of df are used when looking up q values for doing Tukey tests? I have completed the Tests of between subject effects via SPSS. I'm thinking it is the number found under the df column, error row. Is that correct? Or am I completely off the mark?

If the rational function y = r(x) has the horizontal asymptote y = 2, then y as x

Factor the given polynomial 4a 2 + 18ab 10b 2. Question 43 Select one: a. ( 5a b )( 2a + b ) b. ( 4a 2b )( a + 5b ) c. ( 6a 2b )( 3a + b ) d. ( 3a 1b )( 2a + 5b )

Discuss the problems of the world. (Use present, preterite, imperfect, future, and subjunctive) You can use the following questions to guide your narration: Qu problemas hay en el mundo hoy en da? Cules son los que te afectan ms? Qu impacto tienen la contaminacin del aire, la destruccin de la capa de ozono, la falta de petrleo y el abuso de

Can i have some help with the following questions (a) Write a fraction in the box to make the calculation correct. 1 - 12 Solution 5 12 12 (1) Stella saysStella says "in is bigger than because 3 is bigger than 2 and 10 is bigger than $" b) Is Stella correct? Explain your answer Solution Stella 15 ..... because: UIIN 10 X .... w 10 than UI N 10(c)
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Read the excerpt and decide what pattern of organization it uses. Then click on the letter of your choice. Question 7. (1) Schools all too often teach students to be passive, viewing instructors as experts who serve up "truth." (2) Students are expected to quietly listen and take notes. (3) As a result, researchers estimate, just 10 percent of

problems solving. (8 %%) Let J = (0, co), and suppose that f,g : J x J - R are internal. Prove that the function h : J x J - R defined by h(x, y ) = f(z, y) + g(, v) 2 is internal
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