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Mathematics Questions and Answers October 12, 2022

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Given that x is a normal variable with mean =44and standard deviation =6.7, find the following probabilities. (a) P ( x 60), (b) P ( x 50), (c) P (50 x 60) (Round your answers to four decimal places.)

Jayden is making quarterly contributions of of $260 to his savings account which pays interest at an annual rate of 6.5%, compounded quarterly. Right after Jayden makes his 57th contribution, the bank changes rate of interest to 6.6% and Jayden makes 38 more $260 contributions. What is Jayden's balance right after all of his contributions (at both

If you will, please explain so that I can understand better. Thanks much. Let x be per capita income in thousands of dollars. Let y be the number of medical doctors per 10,000 residents. Six small cities in Oregon gave the following information about x and y. X 8.4 9.6 9.9 8.0 8.3 8.7 y 9.4 18.4 21.8 10.2 11.4 13.1 Complete parts (a) through (e),
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Respond as if replying to what she wrote: The manipulatives I will use in my classroom to fulfill the objectives in Measurement and data for my first graders: Measure lengths indirectly and by iterating length units: A ruler, Unifix cubes , a yardstick, a measuring tape, several objects with different lengths, and a worksheet to keep track when

A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Beforetreatment, 22 22 subjects had a mean wake time of 102.0 102.0 min. Aftertreatment, the 22 22 subjects had a mean wake time of 95.7 95.7 min and a standard deviation of 22.6 22.6 min. Assume that the 22 22 sample values appear to be

Convert the polar equation r + cosA = 3 to rectangular coordinates. Group of answer choices (x2 + y2 - 3x)2 = 9(x2 + y2) none of these x2 + y2 = 9(x + y)

The lengths of pregnancies in a small rural village are normally distributed with a mean of 270 days and a standard deviation of 16 days. In what range would you expect to find the middle 95% of most pregnancies? Betweenand. If you were to draw samples of size 43 from this population, in what range would you expect to find the middle 95% of most

The standard aid for aircraft approaches and landing was the ____________? Group of answer choices VHF Omnidirectional Radio (VOR) Distance Measuring Equipment (DME) Long Range Air Navigation (LORAN) radio system. Instrument Landing System (ILS)

In a meat packaging plant Machine A accounts for 60% of the plant's output, while Machine B accounts for 40% of the plant's output. In total, 4% of the packages are improperly sealed. Also, 3% of the packages are from Machine A and are improperly sealed. a. If a package is selected at random, the probability that it will be properlye sealed is____

The breaking strength of threads has a standard deviation of 18 grams. How many measures on breaking strength should be used in the next experiment if the estimate of the mean breaking strength is to be within 4 grams of the true mean breaking strength, with confidence level of 99%?

Co-workers who don't know each other well are asking each other questions. Write the correct form of the verb in parentheses in the futur proche tense. Then select from the drop down list the type of question each person is asking. Follow the model. Modle Est-ce que tu vas gagner (gagner) beaucoup d'argent? You select: C'est une question trop

can someone help me with this? Draw the graph of f(x) = -6142 104 10 -9 -8 -7 -6 -5 -4 -3 -2 -4 2 3 5 6 7 8 9 10 Clear All Draw
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ORGAN FUNCTION Organ- System 1. ESOPHAGUS 2. STOMACH Breaks down food Digestive 3. RUGAE 4. CHYME 5. SMALL INTESTINE Absorbs nutrients 6. LIVER Makes bile 7. LARGE INTESTINE Collects, waste absorbs water 8. CLOACA 0. MESENTARY 10. SPLEEN Stores blood 11. PANCREAS . 12. GALL BLADDER 13. LUNGS
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figure at right. A farmer has 50 acres of land on which to grow wheat or beans. An acre of land yields 400 bushels of beans or 800 bushels of wheat. 20,000- Which of the following is a possible combination of beans and wheat that can be grown, assuming the land is farmed efficiently? 15,000 a O A. 25,000 bushels of beans and 25,000 bushels of

Suppose Frances . The circular-flow model The following diagram presents a circular-flow model of a simple economy. The outer set of arrows (shown in green) shows the flow of dollars, and the inner set of arrows (shown in red) shows the corresponding flow of inputs and outputs.earns $650 per week working as a cook for Wingies. She uses $10 to have

Let H be the half-plane H = {(x, y) R2 : x > 0}. Let G : H R3 be given by G(x, y) = (ylnx, xe^y, sin(xy)) for any (x, y) H. Compute the differential matrix of G for an arbitrary input (x, y) H. Then find the best affine approximation of G at the point (1, ).

Suppose 60% of the registered voters in a country are Republican. If a sample of 473 voters is selected, what is the probability that the sample proportion of Republicans will differ from the population proportion by less than 5% ? Round your answer to four decimal places.

Exercise 1: How many shoes will be sold in Orlando in July? Use at least THREE SATs to analyze this question. In each prompt, identify (a) which SAT you are applying, (b) show your work in executing the SAT, and (c) clearly summarize what conclusions you are drawing from your use of the SAT.

1. Submit answer y = 4 cos(2x) What is the amplitude of the given function? What is the period of the given function? A B28 1. Submit answer A D MAN MAMA C D Which graph matches the given function? Submit answer Next item= Two-dimensional Vectors Q Without a calculator, match each of the equations below to one of the graphs by placing the
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Consider the following Linear Programming Model and its associated spreadsheet model. Let A = the number of individual pizzas that can be made and B = the number of large pizzas that can be made. We make a profit of $3 for each individual pizza and a profit of $9 for each large pizza that we sell. We would like to maximize our profit function, 3A

Questions 28-30 refer to the following situation: A research article reports the results of a new drug test. The drug is to be used to decrease vision loss in people with Macular Degeneration. The article gives a p-value of 0.04 in the analysis section. Indicate whether each of the following interpretations of the p-value is valid or invalid. 28)

Los verbos especiales Complete el dilogo con la forma apropiada del pretrito o del imperfecto. LAURA: Ayer (saber) que Cristina y Diego estaban juntos de nuevo. No (saber) que estaban repensando la separacin. JAVIER: S, t sabes que Diego no (poder) aguantar la vida sin Cristina. Cuando ella lo llam para invitarlo a salir, l no (poder) decir que

The inseam on your new pants is 34 inches. What is the approximate equivalent in centimeters? A .68 m B 17 cm C 34 cm D 87 cm E 3 feet

You are consulting with the manager of an Accounts Receivable department of a large manufacturing company. The manager is concerned that some of the customer accounts are not being paid promptly under the current payment terms.The current payment terms specify 14 days for receipt of payment of all bills. Since the manager did not have any hard

The nature of Freight Transport is for_______________ Question 3 options: A.Cargo B.People C.Car D.Students

1. Consider the SIR model, (13 = 0.5SI, dt 6\" = 0.5SI0.2I. dt (a) What is the mean number of effective contacts per day (transmission rate) for this particular infectious disease? (b) What is the average duration of the infectious period (number of days contagious)? (c) Determine the mean number of secondary infections generated by a single
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Which symbolic model matches the numeric representation shown here? x y 0 20 200 70 400 120 600 170 Group of answer choices y = 20x y = 200x + 20 y = 0.25x + 20 y = 100x + 0.25 y = 100x + 20

a land developer wants to develop 9 acres of land. Each lot in the development is to be 1/2 of an acre. How many lots will the land developer have in the 9 acres

Need help answering 17-24. Question 1 in\" WORKER PRODUCTIVITV IN A MANUFACTURING PLANT mmmlzcomlssafqusmslmhlsm A manufacturing rm has adopted a new layout for its production process, which is intended to increase worker productivity. With the old layout, mean daily output was 200 units. A manager wants to test the null hypothesis that with the
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1:16:50 1:47:55 sidebar interaction. Press tab to begin. According to the franchising entity known as "Real Property Management," and as a rough rule of thumb, how many months of rent will likely be spent annually on maintenance costs? More for older homes, less for newer ones: 1 months rent equivilent or one and a half months rent equivilent or

As an option moves further outminusofminustheminusmoney, delta moves toward ________. Question content area bottom Part 1 A. 0 B. minus1 C. 1 D. large negative numbers

Suppose you are formulating a linear programming problem in which the objective is to keep costs as low as possible. The objective function will be (choose ONLY ONE ANSWER): Group of answer choices A minimization objective function A maximization objective function

A drama critic rates plays according to the quality of acting, scenery, and lighting. He rates 5 stars for amazing, 4 for excellent, 3 for good, 2 for fair, and 1 for poor. This is an example of a(n)________ scale. a. nominal b. interval c. ordinal d. ratio

A map is a two-dimensional representation of a three-dimensional surface. It uses a coordinate system to show locations and directions, and it shows the length and width of features that are large enough to be depicted at the scale at which the map has been drawn. Declination is the difference in degrees between compass north and true north. A

the equation of the parabola's axis of symmetry Use the graph to determine the domain and range of the function
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PLEASE HELP In randomized, double-blind clinical trials of a new vaccine, rats were randomly divided into two groups. Subjects in group 1 received the new vaccine while subjects in group 2 received a control vaccine. After the second dose, 106 of 742 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the
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With a significance level of .05 and degree of freedom of 5, the critical value (1-tailed) is 2.015 With a significance level of .10 and degree of freedom of 5, the critical value (1-tailed) is 1.476 With a significance level of .01 and degree of freedom of 5, the critical value (1-tailed) is 3.365 QUESTION : What is the interpretation of the

I just can't seem to understand statistics. Excel seems to be above my thinking skills. I have a total of 182,094, a mean of 3,570 a median of 2,482 a minimum of 306, a max of 17,680 and a standard deviation of 3,628.68 Sample size is 52. All of that I can figure out. But I also need to know how to do the following. 1.Determine if there is

Al interior de una tienda departamental est reorganizndose el rea de electrnicos; las pantallas dejarn de transmitir cada una escenas diferentes. Ahora, se modificar la dinmica para que las pantallas combinen un juego de imgenes intercalando los mismos videos para que pueda compararse la calidad de imagen y resolucin. Adems, se proyectarn escenas

Between which of the following sets of dates does 7/09/2012 fall? a. 04/23/2011 and 06/15/2012 b. 06/01/2012 and 07/06/2012 c. 01/15/2012 and 06/15/2012 d. 05/23/2011 and 09/29/2012

At a particular toll booth, 20% of vehicles use transponders while the rest have their license plates scanned. Usually 150 vehicles pass this toll booth during any one hour time period. During the next hour, what is the probability that more than 40 vehicles will pass through using a transponder?

Analytics is a powerful tool for solving problems. During WWII, aircraft were being shot down at an alarming rate. When the planes returned from battle, the locations of the bullet holes on all the planes were carefully recorded to produce a final visual map that indicated the regions of the plane most likely to be hit by enemy gunfire (see

Power is the probability of ? A. not making a type 2 error B. making a type 2 error C. not making a type 1 error D. making a type 1 error

1 of 40 2.5 Points Use Gaussian elimination to find the complete solution to the following system of equations, or show that none exists. 8x + 5y + 11z = 30 -x - 4y + 2z = 3 2x - y + 5z = 12 A. {(3 - 3t, 2 + t, t)} B. {(6 - 3t, 2 + t, t)} C. {(5 - 2t, -2 + t, t)} D. {(2 - 1t, -4 + t, t)} Question 2 of 40 2.5 Points Solve the following system of

3. Five steps of ANOVA Suppose you are interested in how a person's marital status is related to his or her leisure activities. You randomly sample 21 adults and determine the number of hours each person spends per day watching TV or using the Internet for nonwork activities. The data are shown in the following table: Single: 3 2 3 3 4 2 4
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Find the equation of the line parallel to y = -3x + 7 that goes through the point (1, 3)

Complete the following statement. To simplify expressions with grouping symbols, we use the __________ property

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=5x^2. What are the dimensions of such a rectangle with the greatest possible area? Width= Height=

I don't understand how to "evaluate" hypothesis testing and confidence intervals? Although I understand how to describe the two, I'm not understanding how to "evaluate" them?

Voy a ducharme despus de que nosotros ____ yoga. Multiple choice question. hacamos hagamos hicimos hacemos

13 14 10. The following are the number of patients who visited a walk in clinic on each of 20 randomly selected days. Determine mean, median and mode of the data set to describe the skewness and shape of the distribution. (6 marks) 19 20 22 23 23 24 24 26 26 26 30 30 30 30 35 36 37 38 39 40
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Which of the following statement about dimensions and measures in Tableau is incorrect? Question 19 options: The values of a measure are always numeric. The values of a dimension have to be textual. The values of a dimension can be continuous or discrete. The values of a measure can be continuous or discrete

PLEASE DO NOT USE AI PLEASE GIVE EXPLANATION if ai is used i will report the account OPTIMIZATION: 3. Given the following LP, solve using branch-and-bound without using the integer constraint in the solver (you may use the solver for any IP relaxation). Show all the branches used. For each step, clearly show the additional constraints you are
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l_________|l _' _ _ '___ __ ______'__ __ ___ _ ______'_ __ _' _ 7) Perform a regression analysis with seasonally-adjusted case shipments as the dependent variable and trend, consumer pack (current and both lags), dealer allowance (current and both lags) as independent variables. Create a correlation table using the independent variables. Interpret
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what is the sample size for this data set?______________________________________________ \f
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The World Wide Web consists of ________ of computers that support a standard set of rules called Hypertext Transfer Protocol (HTTP)for the exchange of information. Group of answer choices D) billions A) hundreds B) thousands C) millions

Using the following frequency distribution answer the following questions. Temperature 28-31 32-35 36-39 40-43 44-47 48-51 Frequency 1 3 6 10 8 7 a) What is the appropriate graph which can be used to represent frequency distribution? b) How many days the temperature was less than 40 degrees? c) How many days the temperature was 32 or above but

When a drop of dichloromethane (DCM) is added to a surface when contact angle was 155 degree

A researcher suspects that the effect of advertising on sales depends on gender, i.e. advertising has a larger effect on sales among males than females. To test this hypothesis, the researcher should include which of the following variables in her regression? a. An interaction variable between salary and gender b. A trend variable c. A gender

Create an introduction of this statement Water scarcity is such a huge ubiquitous issue involving humanity from all over the world. As a result, many many solutions for households in these areas have been studied and proposed. There are thousands of products available but still the problem of water scarcity exists. Looking at different current

10. | Let the graph below represent {x) on the interval [ -2, 2]. For which values of x1s /'(x) = 07 a
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Yearly income would be considered a _________________ variable. a.continuous nominal b.continuous ratio c.discrete ratio d.discrete ordinal

What is information you need? Safari File Edit View History Week 04 Week 05 Course Schedule Course Calendar Course Resources My Grades Discussion Ask the Instructor Student Lounge Email Blackboard Help Gannon ITS Help Desk ITS Report a Problem Distance Education Ofce Accessibility Statement Bookmarks Window 0 gannonblackboardcom >
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While at his favorite rock-climbing gym, Quincy watches Hayley climb up a vertical rock wall. Quincy is 6feet tall and stands 15 feet away from the base of the wall. The angle of elevation from Quincy's line of sight to Hayley is 36. How far off the ground is Hayley

3) Please answer questions A and B based on the following information: The director of transportation of a large company is interested in the usage of her van pool. She considers her routes to be divided into local and non-local. She is particularly interested in learning if there is a difference in the proportion of males and females who use the

A study estimates the demand for over-the -counter cough medicines to be Log Q =0.885-0.744log(P)-0.50 log(INC)+0.253 log(ADV)-0.30log(PHYSP) R SQURE =0.60, Adj. R SQUARE = 0.3 where Q = Annual dosages demanded of cough and cold medicines P = Price per dosage of cough and cold medicines INC = Average income of buyers ADV = Advertising expenditure

A car manufacturer advertises that it offers 60 unique cars that can be created from the exterior, interior, and seat styles it offers. If the manufacturer offers 10 different exterior colors and 2 different interior colors, then how many different seat styles does it offer? Show how you determined your answer. ( This is a "Counting Methods"

2. The estimated value of is
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A quadratic function / is given. (x) - x - 4x + 6 (2) Express fin standard form. (x) - (b) Find the vertex and x- and y-intercepts of f. (If an answer does not exist, enter ONE.) vertex (x, v) - -intercept (x, v)- intercept (x. v)- (c) Sketch a graph of f. Graph Layers Aller you add an object to the graph you can use Graph Layer To The and edit
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A survey of students was conducted to determine how they got to school in the morning. Some arrived by car, some walked, and some took the bus. The table below shows the results of the survey divided by gender: Gender Car Bus Walk Boy 23 14 5 Girl 15 26 2 Based on this data, what are the values of P(boy n car) and P(girl | bus), respectively? O
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Time can be: lengthened. used. shortened. All of these

this is a math probability question Let HK(n) be the number of vectors x1,...,xk for which each xi is a positive integer satisfying 1 s xi S n and x1 s x2 s ... SxK. (a) Without any computations, argue that Hi(n) = n HA() =CHI() k>1 j=1 (b) Use the preceding recursion to compute H3
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BUAD 3190 Este examen parcial abarca el material estudiado en los mdulos 1 al 4. Estudia y repasa las tareas y recursos requeridos ofrecidos en esos primeros cuatro mdulos del curso. Consta de las siguientes tres (3) partes: Un ejercicio de 20 preguntas de seleccin mltiple. Debes leer cuidadosamente cada premisa y seleccionar la respuesta

Use the figure to the right to find its volume in cubic units. The volume of the figure is D cubic units. o ( Use an algebraic equation to find the measure of each angle that is represented in terms of x. m 4 5x+30 m A 3x+20 Use an algebraic equation to find the measure of each angle that is represented in terms of x. 12x - 340 6x + 380 m 4 12x -
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1.We are supposed to have an equal percentage in each of 5 groups. We take a SRS and find GroupCount 156 248 353 459 549 Alpha =.01 A. Ho = _____________ Ha = _____________ B. Chi Square Calculated is _______________ C. DOF = _____________ D. The critical value is ________________ E. PV = _______ 5. You are testing a new wonder drug. In the

Question: Case Problem: Par, Inc. Par, Inc., is a major manufacturer of golf equipment. Management believes that Par's market share could be increased with the introduction of a cut-resistant, longer-lasting golf ball. Therefore, the research group at Par has been investigating a new golf ball coating designed to resist cuts and provide a more

Problem II - [18 points] (a) (1) Choose and write down a sample of 12 distinct (different) positive integers (no modes), each less than 100, in a way that your data set would have a range of 90, a mean of 59, and a median of 55 (2) In order not to treat the data as an abstract set, state what your data might represent with an applicable unit. (b)

DETERMINAR LA RUTA CRITICA T CALCULAR LA VARIANZA EN LOS DOS CASOS SIGUIENTES

merit and demerit of premise solution, cloud solution, hybrid solution

Calls arrive at a call center at the rate of 12 per hour. What is the probability that the next call arrives in a. less than 6 minutes? b. more than 8 minutes? c. less than 1 minute? a. The probability that the next call arrives in less than 6 minutes is . (Round to four decimal places asneeded.) b. The probability that the next call arrives in

You are the president of a parachute making firm. You want to find out if the fibers from each of your 4 suppliers makes parachutes of equal strength. You also want to find out if parachutes made on the two different types of looms, the jetta and the turk, are equally as strong. You also need to know if any differences in the strength of the
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sidebar interaction. Press tab to begin. (1 pt) What does "CM" stand for in ICD-10-CM? *Reminder - two attempts available. If the first is incorrect, select "retry" to answer again

There is a half of an inch of snow already on the ground from earlier in the week. It begins to snow again at a steady rate of two inches per hour. Which symbolic representation matches the verbal representation provided? Group of answer choices 2 = 0.5x + y y = 2x + 0.5 y = 0.5x + 2 0.5 = 2x + y

f(x)={x+2ifx3 4x7ifx>3 Let f be the function given above. Which of the following statements are true about f ? I.lim x3 f(x) exists. II. f is continuous at x = 3. III. f is differentiable at x = 3.

Question 1,2,3,4; Explain calculations ANOVA MS Regression - & SS 16154.421 16154.421 Residual 9 4879.047 542.116 Total 10 21033.468 Coefficients Standard Error t Stat P-value Intercept 471.859 23.611 19.985 0.0000 X -1.637 0.300 -5.459 0.0004 1. What is the estimated regression equation that relates Y to X? (2 Points) 2. Is the regression
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Let f be the function given by f ( x )=ln( x / x 1) Find the value of the derivative of f at x =1 .

For any fraction, a(n) fraction will be obtained by multiplying the numerator and denominator by the same nonzero number

las funciones de formacion y promocion interna son la base para

Car air conditioning systems are charged with R134A. The cylinder of refrigerant used contains 24 pounds. Each system uses 1 pounds of R-134A. How many cars can be charged from the 24-pound cylinder?

The production manager of 1ifideotechnics Company is attempting to determine the upcoming 5-month production schedule for video recorders. Past production records indicate that 2,000 recorders can be produced per month. An additional 600 recorders can be produced monthly on an overtime basis. Unit cost is $10 for recorders produced during regular
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Waiting time for checkout line at two stores of a supermarket chain were measured for a random sample of customers at each store. The chain wants to use this data to test the research (alternative) hypothesis that the mean waiting time for checkout at Store 1 is lower than that of Store 2. Store 1 (in Seconds) 461 384 167 293 187 115 195 280 228

1. The field of Human Resource includes four basic tenets: these are employee acquisition, training and development, performance management and finally compensation management. Depending on your personal area of interest, develop a research problem with a handful of variables from the above-mentioned broad topics, and formulate it into a set of
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Suppose the heights of 18-year-old men are approximately normally distributed , with mean 73 inches and standard deviation 2 inches. What is the probability that an 18-year-old man selected at random is between 72 and 74 inches tall? (Round your answer to four decimal places. If a random sample of twelve 18-year-old men is selected, what is the

You have 20 minutes of extra time in your day for a creative activity your class will enjoy that relates to a mathematics content standard you have been working on. You want to be sure ELs at all levels of English language proficiency can participate. Using an AI tool of your choice, generate a variety of creative activities and share the idea

Theaverage temp. in the wintertime in Orchard Park is 36 degrees Fahrenheit. In order toconvert this temperature to Celsius, you have to subtract 32 from from 36, and then divideby 1.8. The answer to this equation is 2.22 degrees Celsius

242 Write down formulae for each of the following: (a) the number of terms (n) in terms of r. (2) (b) the last term of a specific row (t) in terms of r. (1) (e) the first term of a specific row (f) in terms of r. (3) Sn = = [20+ (n-1)d] S3 = 2[20 + (3-1) 1] 3 [ 20 + 2 ] 5 = 3a+3 2 = 30 (d) the middle term (m) of a specific row in terms of the
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GamesName of RoundCorrect Pick 16First Round2 Points 8Sweet 163 Points 4Elite 88 Points 2Final 420 Points 1Championship Game50 Points 1. What is The expected number of points that a person would get for the whole tournament. 2. The maximum points that are available during each round.

Cuando Valeria y Marco solicitaron el estado de cuenta del fideicomiso se percataron de que las reglas para el manejo de sus activos no se haban cumplido por lo que decidieron ejercer la fianza en garanta. El nuevo asesor que les fue asignado comenz el proceso para hacer vlida la fianza, pero not que la documentacin necesaria haba sido extrada del

this qualifies as a parameter. An identifier of the population can be summed up by aparameter, which is a set value. The parameter in this scenario is the average atomic weight of everyelement in the periodic table, a fixed number that characterizes the properties of the elements

Complete each sentence by writing out the correct time according to the cues. Questions Modle (1:00 a.m.) Il est Example answerune heureEnd example answer du matin. Question 1 with 1 blank (2:50 a.m.) Il est 1 of 1 du matin. Question 2 with 1 blank (8:30 p.m.) Il est 1 of 1 du soir. Question 3 with 1 blank (10:08 a.m.) Il est 1 of 1 du matin.

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