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Mathematics Questions and Answers September 13, 2021

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You have 14 14 different video games. How many different ways can you arrange the games side by side on ashelf? You can arrange the 14 14 different video games in nothing different ways.

Consider the following. f(x) = ex if x < 0 x2 if x 0 , a = 0 Find the left-hand and right-hand limits at the given value of a. lim x0 f(x) =_______ lim x0+ f(x) =_________

Please find the quartiles for the data represent the inches of rainfall in April for a certain city over the course of 20 years. 0.58 1.97 3.45 4.68 1.02 2.25 3.57 5.09 1.14 2.65 3.82 5.28 1.61 2.88 4.16 5.66 1.77 3.14 4.42 6.07 FIND Q1,Q2,Q3

I do not understand this question, please help. I need answer right away. The IQ scores for 10 sixth graders are 111, 103, 100, 107, 114, 101, 107, 102, 112, 109. a. Calculate o for the IQ scores using the definitional formula. b. Calculate o for the IQ scores using the computational formula.

9.MATCH PROBLEMS TO PROCEDURES _____ A MULTINOMIAL PROBABILITY DISTRIBUTION DESCRIBES THE DISTRIBUTION OF COUNTS ACROSS MULTIPLLE LEVELS OF A VARIABLE. A SPECIAL CASE IS THE BINOMIAL DISCRETE PROBABILITY DISTRIBUTION. FOR EACH LEVEL OF A VARIABLE WHICH IS COMMON TO MULTIPLE POPULATIONS, EQUALITY OF DISTRIBUTIONS CAN BE TESTED. __________DO

If x is a binomial random variable, compute the mean, the standard deviation, and the variance for each of the following cases: (a) n = 3, p = 0.4 (b) n = 3, p = 0.7 (c) n = 3, p = 0.8 (d) n = 4, p = 0.5

Find the first three terms \f
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Assume that there exists unlimited demand and that all workers are paid the same. 1. Which station is the bottleneck? 2. What is the process capacity? 3. If we add one worker to station A (such that there would be 3 workers in station A instead of 2): what would be the process capacity in this new scenario
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What is the surface area of a cube with a side length of 18 meters

Suppose a random sample of size 55 is selected from a population with= 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate).

Can you come up with a formula for P(E or F or G)? Give an argument using shaded regions of a Venn Diagram that has the event E, F, and G in it to justify your formula. Hint: Try drawing another Venn Diagram to help you come up with a formula for P(E or F or G).

Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) LO USE SALT H = 109; 0 = 13 P(x 2 120) = Need Help? Read It 7. [-/1 Points] DETAILS BBUNDERSTAT12 6.3.014.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Assume that x has a normal
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En esta cancin titulada "Flor plida"el autor usa una serie de verbos en distintitos tiempos y modos verbales. Los dos modos usados son el indicativo y el subjuntivo. La idea es entregar un documento (docx) con los 26 tiempos verbales correctamente identificados con nombre y modo (no olviden poner su nombre)

5) Find side lengths AB, BC, AC, rounded to the nearest tenth, and angle measures for
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### Part (b) (1 pt) $$n = 20, X_i \\sim \\text {Exp} (2), \\text{E}(X) = 1/2$$ (See rexp to generate your samples. ) ### Part (c) (1 pt) $$n = 500, X_i \\sim \\text {Exp} (2), \\text{E}(X) = 1/2$$
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MATH-1325-THQ_10, 2019-11-02 10:56 3 1. (10 points) Consider the following equation: ray- 1=9r-23 (a) Find - in terms of r and y: (b) Evaluate -H at (x, y) = (1, 2)
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Where is the answer for "GHUM 1087 Kevin and The TTC Case 2" og George Brown College

A class size increases from 23 students to 28 students. Calculate the percent of increase. Round your answer to the nearest tenth of a percentA discounted concert ticket is $11.75 less than the original price. You pay $56 for a discounted ticket. Write an equation to find the original price of the ticket

COMPAEROS Debemos escribir artculos? (No, corregir | artculos | redactados) T No, corregid los artculos redactados. Question 1 with 1 blank COMPAEROS Debemos entrevistar al director? (No, entrevistar | profesor de msica) T 1 of 1 Question 2 with 1 blank COMPAEROS Llamamos por telfono al profesor de msica? (No, enviar | mensaje electrnico) T 1 of 1

Circle O with a radius of 9 is drawn below. The measure of central angle AOC is 120. What is the area of the shaded sector of circle O? 1) 6 2) 12 3) 27 4) 54

no extra detail Question 3 Which of the following is equivalent to (a-26 3)1/4 6 >0? a-1/312/3 , Where a > 0) and A al/06-1/2 B a-1/61-17/12 C a 17/126-1/6 D a 5/615/7 E q-1/565/7
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Crisco Description of Prepared Samples Description of Test Results Test Observations Interpretation Grease Spot Halogenation Molisch Iodine/KI Benedict's Biuret Ninhydrin
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Pls helpAnd proof it the following relations between vectors in a vector space V: (21 22 ... en) = (w1 w2 ... Wm ) P (31 02 ... Un ) = (u1 2 . . . Um ) P ) and (u1 12 ... Um ) are both linearly independent, then ( v1 72 . .. Un ) must be de a matrix P such that a counter example could exists
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set of natural numbers What is: Q1. [4 * (2 *' 3)] *' 5. Q2. Let A = {1, 2, 3} and H = {5, 6, 7} What are relations that are not function Q3. Let A = C = {1, 2, 3}. What are relations that not function Q4. Change this into mathematical equations "Twice the difference of a number and seven is a quarter of the number." Q5. If A = {1, 2, 3} and B =

QUESTION FOUR 25 MARKS 4.1 By using differentiation from first principle find the derivative: f ( x) = x2 -x (15) 4.2 Evaluate the following integral 5 15x3 - 2
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Another way to express the truth-functional material conditional 'if p, then q' is to say that p implies q. Another way to express the truth-functional material conditional 'if p, then q' is to say that p implies q. True False

As an educational researcher, you would like to know whether high school student's perceptions about mathematical utility changed between their freshman and senior year. Each respondent is asked the same series of questions about the utility of mathematics in their future during their freshman and senior years. These questions are combined to form

G. Perform analysis of variance (ANOVA) to evaluate if there was a difference in customer relation scores after the training program between the type of staff at the ED. (5 points)

PROBLEMAS PROPUESTOS 1. En una recta se ubican los puntos consecutives A, M. B. C. Ny D; sien- do M y N puntos medios de AB y CD respectivamente. Si BC=3m y MN=9m; halle AD a) 12 m b) 15 m c) 9 m d) 8 m e) 18 m 2. En una recta se ubican los puntos consecutives A, B. C y D. Si AB=4m; BC=2m y AB.CD=BC.AD. Halle: CD a) 4 m b) 2 m c) 6 m d) 3 m e) 8 m
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Question 1 1 pts 17 16 15 (4, 6) -6 -5-4 3 -20 1 2 3 4 5 6 7 8 9 10 17121314151617* The image shows a circle with center (4, 6) and radius 10 units. Choose the correct equation of the circle. O (z + 4 ) + (y + 6) = 1 O (x - 4) + (y - 6)3 = 10 O (x - 6)' + (y - 4)" = 100 O (z - 4) + (y - 6) = 1Question 2 1 pts YA 9 F O 2 3 4 5 6 7 8 The graph above
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Examples of subspaces S1, S2 of a finite-dimensional vector space V such that dim(S1S2) < min{dim(S1), dim(S2)}(inequality has to be strict)

Simplify the radical. 723 Select one: a. 62-3 b. 8363 c. 89-3 d. 29-3

Important Question. Need help in checking if I got it right. A study was conducted to determine if the salaries of the professors from two neighbouring universities were equal. A sample of 20 professors from each university was randomly selected. The mean from the first university was $109,100 with a population standard deviation of $2300. The

The longer the interval: Group of answer choices There will likely be more opportunities to record the behavior There will likely be more errors that will occur in the data collection There will likely be fewer errors that will occur in the data collection There will likely be less opportunities to record the behavior

I am trying to understand how to do this in Excel. Disregard the sentence about "one-paragraph Word document". \f
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Let denote the amount of time a randomly selected student needs to finish his this test and suppose that the CDF of is given by: () = { 0, < 0; ^2/4 , 0 < 2; 1, 2. Estimate a. ( 1) b. (0.5 1) c. The pdf of , () d. The expected value and the variance of

How can we use expectation maximization to obtain a joint probability for missing data. For example. X1=0,1,1,0,1 and X2=1,0,1,?,1. Now here one data point is missing but I want to compute the joing probability of X1,X2. A sample solution to the question would be very useful

John holds a preferred stock of Bobcat Co. The preferred stock pays $4.45 dividend forever. The price of this stock is $89. What's the return of this preferred stock?

What is an inequality that includes (0,9), (-10, 10), (10, -20), and (-20, 15) as solutions.

On November 3, the Springfield power plant receives 10 fuel rods. The rods have a list price of $20,000 each with discounts of 5% and 10% and payment terms of 2/10, 1/15 net 30. a. What is the last day the invoice can be paid? How much must be paid? b. What is the last day the 2% discount may be taken? How much must be paid? c. If the supplier

Parameter: What is the true percentage of employees who been to Disney. Statistic: In a sample of 120 people, 98 of them said yes they went to Disney. This means that my statistic, or sample percentage (p), was 81.7% Margin of Error: Z = 1.96 p (p-hat) = .817 n = 120 Confidence Interval: What would the margin of error, and confidence interval

Determine whether the following statement is true or false. w{j,g,f,w,c}

K Find the point(s) where a tangent line to the curve y = f(x) = 5x" has slope man = 10. The point(s) is (are) (Type an ordered pair. Use a comma to separate answers as needed.)
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Please help me with number 54. 53-56 Evaluate the indefinite integral as an infinite series. 53. V1 + x3 dx 54. | x3 sin(x? ) dx 55. COS X - 1 dx 56. X arctan(x?) dx
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What is the importance of Political secularism, Liberal theology and Theocracy? 2. How political secularism, liberal theology, and theocracy connected to each other
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\fe e Y e e e e * n =12 (for n=12, show the setup with sigma notation before doing the calculation). A 2. Graphical Representation ? _ X3 et A Using desmos.com, graph the function f(x) = 3 T 5- + 3-\" + 4. Using restrictions on the domain and range, create the graphical representation of the left endpoint approximations on the interval [0, 6] forn
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WHICH ONE DOESN'T BELONG? Which ratio does not belong with the other three? 4 O sin B O cos C O tan B AC O BC Explain your reasoning. One is equal to and the other three are equal to AB AC AB BC AC AC BC BC AC AB
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(a) For integer n > 1, use upper and lower Riemann sums with n equal subdivisions to find an upper and lower bound for the value of '/:{1 2%) dz. You may use the following fact without proof: Z k% = k=1 n(n+1)(2n + 1) e 1 b} Ewaluate 1 z%) dz using the definition of Riemann integral. g g 0
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A 5bit decision will require yes/no decisions to arrive at the correct answer. (Hinthow many)

Find a general solution to the givenCauchy-Euler equation for t>0. (t^2)y''(t) -17y'(t) + 81y(t) = 0

M+
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The one-to-one functions g and h are defined as follows. g= 1(-9, 5), (-3, 1), (2, 6), (5, 2), (8, 9)} h( x ) = _ x - 13 7 Find the following. 8 ( 2 ) = X 00 h ( x ) = 0 X 5 ( h ' on ) ( - 1 ) = 0
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Question 6 (10 points). Determine whether the following series converges absolutely, con- verges conditionally, or diverges, and by which test: k k 12 + 4 = Question 7 (16 points). For all values of z for which the following power series converge. (1) I (2) n5n
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2. How much should be in an account today so that withdrawals in the amount of $1500 can be made at the end of each year for 20 years, if interest in the account is earned at a rate of 7% per vear mpounded annually? [4AT
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A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 60% of this population prefers the color black. If 16 buyers are randomly selected, what is the probability that exactly 3 buyers would prefer black? Round your answer to four decimal places.

The list price for a vacuum cleaner is $299.99. Determine the net cost after a 15/10/10 series discount O $100.20 $417.44 $206.54 O $299.64
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For integers n with n > 1, suppose we select a random family with n children. Let En be the event that the family has at least one boy and one girl. Let Fn be the event that the family has at most one boy. Assume that each child is equally likely to be a boy or a girl. (a) What are the probabilities p(E2), p(F2), p(E2|F2) and p(F2|E2)? Explain

Is the ordered pair ( 2, -9) satisfied the function Y= -2x + 5? Why or why not?

Bernard is playing a solo game of dice. Two dices are thrown in each turn and the scores are taken by multiplying the numbers obtained. He play five rounds of the game, and has provided us with the following facts: 1) The score for the second roll is five more than the score for the first roll. 2) The score for the third roll is six less than the

Alex says that the function f ( x ) = (3 x )2 represents a vertical stretch of the quadratic parent function by a factor of 3. Marta says that it represents a horizontal compression by a factor of . Decide whether one student is correct, both are correct, or neither is correct.

The random variable is the number of 5's facing on the dice times the number of 6's facing on the dice. You roll three colored dice: 564 Give the random variable. r.v. =

A wealthy donor provided $150,000 to Douglas College to set up a fund for ongoing scholarships. If the money is invested at 7% compounded annually, what scholarship can be paid out at the end of every six months? Hint: This is an ordinary general perpetuity. (Round your final answer to 2 decimals)

Lines can be used to approximate a wide variety of functions; often a function can be described using many lines. If a stock price goes from $10 to $12 from January 1st to January 31, from $12 to $9 from February 1st to February 28th, and from $9 to $15 from March 1st to March 31th is the price change from $10 to $15 a straight line? It is clear

Let A be an nn matrix and b a column vector of size n. Let A denote the augmented matrix (A | b). Suppose that the system Ax = b has more than one solution. For each of the parts below, write your answer in a sentence. Do not answer only "yes" or "no". For example in part (a) your answer should be in one of the following forms: we can conclude

1.Kyle is shopping at a mall where there are 4 clothing stores, 5 home goods stores, and and 9 electronics stores, all with entrances from the parking lot. If Kyle randomly selects to shop in 3 clothing stores, 2 home goods stores, and 2 electronics stores, how many ways can this be accomplished? 2.Kyle is shopping at a mall where there are 10

Is the following I probability model?what do we call the outcome blue? Is the table above an example of a probability model? What do we call the outcome blue? \f
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Can anyone explain to me what is the requirement of this project and what is the suggestions topics of the project. Subject name : computational methods

At what value(s) of b does the SLE corresponding to the matrix below have a family of solutions? 4 U W 0 8 4 0 0 b- 7 b2 - 49 O A. b = 7 only O B. b # 7 O C. All values of b O D. b = +7 O E. b # +7 F. No values of b Reset Selection
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For a right-tailed (>) t-test, when should we reject the null hypothesis? a. Only when the t-statistic is less than the negative critical value b. Only when the t-statistic is greater than the positive critical value c. When the t-statistic is either greater than the positive critical value, or less than the negative critical value d. When the

A small business had a profit of $52,000. They invested the profit into a fund that matured to $65,500 in three years. Calculate the nominal interest rate compounded quarterly by entereing in all the values on the financial calculator. (No dollar signs are required.) Round the nominial interest rate to two decimal places. P/Y = C/Y = N = I/Y = PV

J. SUPPOSE that SU Yo Ot Americans like cats. What's the probability that It two Independent PEOPLE are Selected neither Kiss cats
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A friend has a 81% average before the final exam for a course. That score includes everything but the final, which counts for 25% of the course grade.

Multinomial and Binomial In humans (and many other organisms), genes come in pairs. Consider a gene of interest, which comes in two types (alleles): gene a and gene A. The genotype of a person for that gene is the types of the two genes in the pair: AA, Aa, or aa (aA is equivalent to Aa). According to the Hardy-Weinberg law, for a population in

I am hoping that you can help with this problem. Some students have suggested that if you have to guess on a multiple-choice question, you should always choose C . Carl, the student, wants to investigate this theory. He is able to get a sample of past tests and quizzes from various teachers. In this sample there are90multiple-choice questions with

Discuss a few things you read about in Chapter 19 (and part of chapter 14) of "Elementary and Middle School Mathematics" eleventh edition by John A. Van De Walle, Karen S. Karp, and Jennifer M. Bay-Williams that will help you better understand how to teach the 3rd grade Geometry standards in the NYS Next Gen. Math Learning Standards. Use details

Segn el modelo de Solow, en una situacin de estado estacionario, una disminucin en la tasa de la poblacin provocara: Seleccione una: a. Un aumento en el ingreso per cpita b. Un ingreso per cpita constante c. Una disminucin en el ingreso per cpita

5. [-/2.5 Points] DETAILS LARMPMT1 12.2.012. The surface area of the cone is 162x square feet. Find the slant height of the cene. ft 6 ft 6. [-/2.5 Points] DETAILS LARMPMT1 12.2.006
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question in pictures below: 6. A Two-Sample Test on Standardized Te st Scores N Bookmark this page {a} 3 points possible [graded] The National Assessment of Educational Progress tested a simple random sample of 1000 thirteen year old students in both 2M4 and 2008 and recorded each student's score. The average and standard deviation in 2004 were
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Find the amount that results from the given investment. $50 invested at 10% compounded continuously after a period of 2 years After 2 years, the investment results in $ (Round to the nearest cent as needed.)
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1.A company produces and sells two different products. The demand for each product is unlimited, but the company is constrained by cash availability and machine capacity. Each unit of the first and second product requires 3 and 4 machine hours, respectively. There are 20,000 machine hours available in the current production period. The production

An unfair die looks like an ordinary six-sided die but the outcomes are not equally likely. The probability distribution of the face value, is as follows: P(x) 0 0.02 1 0.15 2 0. 18 3 0.33 4 0.2 5 0.1 6 0.02 Use the above probability distribution table to find the following: a. P(X = 4) (Round the answer to 2 decimals) b. P(1 < X <3) (Round the

A pharmaceutical company introduced a new drug that would reduce cholesterol levels. A researcher selected 10 cholesterol patients and tested them for their cholesterol level. The subjects were then placed on the new drug for a period of 6 months, and the cholesterol level reading was taken again. Both the results are given below. Assume the
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Small third parties generally prefer a ________________ system of elections. Small third parties generally prefer a ________________ system of elections. single-member district proportional 1-party system similar to China's winner-take all

Last year, 70% of Melanie's math class passed the course. If there were 40 students in her class, how many students passed? (Round your answer to the nearest whole student) 60 O 12 35 O 24 O 28
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Scott bought a 5 1b bag of cookies at the bakery. He ate = of a bag and his sister ate - of a bag. What fraction of the bag did they eat? What fraction of the bag remains? of he has
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Transversal CD cuts parallel lines PQ and RS at points X and Y, respectively. Points P and R lle on one side of line CD, while points Q and S lle on the other side. If m _PXY = 64.36, what Is m Z RYX? O A. 25.640 O B. 115.640 O C. 64.360 OD. 90
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According to Fermat's Little Theorem. which of the following is an inverse of 22*22 (mod 43)? 22'20 22'23 22'22 22'21 22524 22'25
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10/4/21, 5:39 PM Lumen OHM Question 14 0/4 pts 399 A 1250-gallon tank is initially full of water. The water is drained at a rate of 28 gallons per minute. Write a linear equation, in slope-intercept form, that models this situation. (Note: "y =" is already given -- just enter the right side of the equation.) y = In the equation, the variable x
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Texas advertising data from 20 collegiate websites is shown below. I need to make a simple linear regression, I need to make scatter plot and provide the regression line equation. How do I find if a slope is positive or negative and discuss the result of r2. Store 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Advertising ($thousands) 5 5 5 5

Sketch a graph of the equation. x +2 y +18= 0

MATCH PROBLEMS TO PROCEDURES _______ GIVEN WEIGHTS OF 31 29 26 33 4028 30 AND 25 AT OK=0.05 TEST THAT THE POPULATION MEAN IS 35. _______ TESTING THAT A GASOLINE ADDITIVE INCREASE MILEAGE, WE COMPUTE MPG WITH ADDITIVE MINUS MPG WITH ADDITIVE FOR EACH CAR. IF THE MEAN OF THE DIFFERENCES IS POSITIVE ENOUGH ACTION WILL BE REQUIRED TO IMPLEMENT THE

In a lottery, the top cash prize was $674 million, going to three lucky winners. Players pick five different numbers from 1 to 56 and one number from 1 to 46. A player wins a minimum award of $300 by correctly matching three numbers drawn from the white balls (1 through 56) and matching the number on the gold ball (1 through 46). What is the

A random sample of 139 forty-year-old men contains 26% smokers. Find the P-value for a test to reject the claim that the percentage of forty-year-old men that smoke is 22%

This is the problem I am struggling with please help (1 point) Evaluate the limit. (Use symbolic notation and fractions where needed. Enter "DNE" in answer field if limit does not exist.) lim[ 10 20 x-1 help (fractions)
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Solve for the value of k that results in the SLE having a family of solutions (infinite solutions). x - 4z = (-9) y + 6z = 3 3y + kz = 9 If there is no such value of k, type NONE. k =
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Use the sample information x=35, o=7, n=16 to calculate the following confidence intervals for u assuming the sample is form a normal population. a) 90 percent confidence. The 90% confidence interval is form _______to _______. b) 95 percent confidence. The 95% confidence interval is from _______ to _______. c) 99 percent confidence. The 99%

What is a quadratic equation? List a few methods to solve quadratic equations. Provide an example of quadratic equations in the everyday world

Sunglow Company received an invoice for $275,250 dated November 8, 2017 with payment terms 5/5, 1/20, n/45 for a truck-load of goods. Calculate the amount required to settle the invoice on the following dates: a. November 12, 2017 Round to the nearest cent b. December 23, 2017 Round to the nearest cent

Question 1: A sample of 172 randomly selected students, found that the proportion of students planning to travel home for Thanksgiving is 0.61. what is the standard deviation of the sampling distribution? (Round to 3 decimal digits) Question 2: For a normal distribution with a mean of 263 and a standard deviation of 21, what is the Z value for a

Jennie rounds her sales numbers to estimate the total of how many ear buds were sold. What numbers should Jennie add Each pair of earbuds costs $109.99. What is the closest estimate of the total sales in June? Last year, the total earbud sales amounted to $900,000. Which expression below can be used to find the average sales per month? According

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