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Mathematics Questions and Answers June 16, 2023

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3. (6 pts) Consider the following augmented matrix in which o represents and arbitrary number and represent a nonzero number. Determine if the augmented matrix is consistent. If so is the solution unique? Justify your O O O O O 0 O O O answer. 0 * O O 0 O O O * O
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1. what is a nonparametric test? What is a parametric test? 2. Identify an advantage of using rank correlation instead of linear correlation. 3. what is the difference between a nonparametric test and a free distribution test?

BIOE 310 Andreas Linninger + Lines The following set of two linear algebraic equations (Eq 1 and Eq 2) represent two lines in an X-Y coordinate system. Visualize the two lines in MATLAB. Find the intersection of the two lines by manual Gauss elimination and visualize the solution along the two lines. Find the intersection programmatically using Ax

Match the language sounds or words with the ages at which children begin using the sounds or words. Drag and drop application. 18 to 24 months of age 18 to 24 months of age drop zone empty. 2 to 4 months 2 to 4 months drop zone empty. Birth Birth drop zone empty. 6 months 6 months drop zone empty. 5 months 5 months drop zone empty. 8 to 12 months

The position of an object moving along a line is given by the function s(t) = 13t2 + 104t. Find the average velocity of the object over the following intervals. la) [1. 7] U!) [1. '3] (6) [1,5] (d) [1, 1 + h] where h > 0 is any real number
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please help with this homework problem, thank you!

Una fuerza de 2 N estirar una banda elstica 2 cm (0.02 m). Suponiendo que en este caso se cumple la ley de Hooke, cunto se estirar la banda al aplicarle una fuerza de 4 N? Cunto trabajo se realizar para estirar la banda esa longitud?

Find the standard equation of the circle having the given center and radius. Center (10,4) , Radius three fifths

For f(x) = 2x4 16x2 + 4 nd the following. (A) f'lX) (B) The slope of the graph off at x = - 3 (C) The equation of the tangent line at x = - 3 (D) The value(s) of x where the tangent line is horizontal (A) f'(x) = 3x3 32x (B) At x = - 3, the slope of the graph off is - 120 . (C) At x = 3, the equation of the tangent line is y = D
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Hugo averages78 words per minute on a typing test with a standard deviation of12 words per minute. Suppose Hugo's words per minute on a typing test are normally distributed. LetX= the number of words per minute on a typing test. Then,XN(78,12) . Suppose Hugo types58 words per minute in a typing test on Wednesday. Thez -score whenx=58 is ________.

Find the directional derivative of fat the given point in the direction indicated by the angle 0. f(x, y) = xy3 - x2, (1, 4), 0 = 1/3
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Canadian interest rates have gone up relative to US interest rate and the differential is more than 2%. This will result in ..........outflow of ........ to purchase ...... and there will be a .........pressure on the value of CAD with respect to USD

Find the exact value of the trig ratios for an angle, 0, whose terminal ray passes through (2, - 5). Show your work on your answer document including the relevant triangle in the correct quadrant. cos - 0 ) = tan 5 - 0) =
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What will the results of the equation below always be ? [ ( X - M ) A )O N B ) + D ) it Depends on the vale
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Modle 18.07.1972 Example answerC'est le dix-huit juillet mille neuf cent soixante douze.End example answer Question 1 with 1 blank 01.01.2024 1 of 1 Question 2 with 1 blank 13.09.1515 1 of 1 Question 3 with 1 blank 06.06.1945 1 of 1 Question 4 with 1 blank 14.07.1789 1 of 1 Question 5 with 1 blank 22.02.1848

CANTIDADES. El producto M se obtiene de dos unidades de N y tres unidades de P. N se obtiene de dos unidades de R y cuatro unidades de S. R se obtiene de una unidad de S y tres unidades de T. P se obtiene de dos unidades de T y cuatro unidades de U. Si se necesitan 100 M, cuntas unidades de P se necesitan?

The perimeter of a rectangle is to be no greater than 140140 centimeters and the width must be 2525 centimeters. Find the maximum length of the rectangle. 25 cm x cm

A local university administers a comprehensive examination to the candidates for B.S. degrees in Business Administration. Five examinations are selected at random and scored. The scores are shown below. Scores 80 90 91 62 77 a.Computethe standard deviation of the sample. b.Compute the margin of error at 95% confidence.Assume the population is

near the unstable point, the trajectories are concave but near the stable point they are convex

A sample of 16 cookies is taken to test the claim that each cookie contains at least 9 chocolate chips. The average number of chocolate chips per cookie in the sample was 7.875 with a standard deviation of 1. Assume the distribution of the population is normal. a. State the null and alternative hypotheses. b. Using a critical value, test the

Find the exact value of sec to the power of short dash 1 end exponent open parentheses 2 close parentheses. a.) sec to the power of short dash 1 end exponent open parentheses 2 close parentheses equals straight pi over 4 b.) sec to the power of short dash 1 end exponent open parentheses 2 close parentheses equals 3 over straight pi c.) sec to the

In a horse race, how many different finishes among the first 3 places are possible if 8 horses are running? (Exclude ties) There are a possible different finishes
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Galaxy Research Company made a survey of drivers in the state of Virginia and found that 18% do not fully stop on red stop signs when turning right. Suppose that drivers arrive at random at a "red stop" street sign.What is the expected number of drivers who must be checked to find the first driver who stops on a red stop sign?

Find the test statistic, p -value and test the null hypothesis (make a decision) at the .01 level of significance. n = 30 s = 7.35 Test Statistic =(2-decimal accuracy) p -value = Decision is(1: Reject H 0 or 2: Fail to Reject H 0 ) (choose the number)

For the given position vectorsr(t), compute the velocityr(t)for the given value oft. A)Letr(t)=cos4t,sin4t Thenr(/4)=, B)Letr(t)=t2,t3 Thenr(5) r(5)=, C)Letr(t)=e^4ti+e^5tj+tk Thenr(5)=i+ j+k

What us the approximate probability that Z, the standard normal distribution, is less than, 92 standard deviation above the mean? Please provide a clear explanation. 84% 18% 82% 86%

Which of the following is closest to the radius of a circle that has an area equal to the area of the rectangle? A rectangle has a length of 15 centimeters and a width of 8 centimeters. Which of the following is closest to the radius of a circle that has an area equal to the area of the rectangle? 3 centimeters 6 centimeters 11 centimeters 19

let f(x)=1-x2 for -1 x 1. Find the equation of the tangent line to f(x) at x=3/2.

Question 25 25. In a test of hypotheses Ho : p = 0.42 versus H. : p # 0.42 at the 1% level of significance a sample of size 1250 produced $ = 0.39 and test statistic = = -2.149. The p-value (the observed significance) of the test is about: (a) 0.39 (b) 0.03 (c) -2.15 (d) -0.03 (e) 0.42
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When a manufacturer of computers starts to produce its own computer components, the manufacturer engages in Blank______ vertical integration. Multiple choice question. forward backward full linear

An article reports that blue-eyed people earn less than brown-eyed people, with the average blue-eyed salary at $35,000, the average brown-eyed salary at $37,000, and the p-value at 0.45. Based on that reported p-value and using the common definition of statistical significance, which of the following is true? The results are almost but not quite

13 4 points How did Claude Monet use asymmetry in the painting "Still Life with Apples and Grapes"? By avoiding asymmetry By eliminating visual interest By using a symmetrical balance By placing most of the composition on the bottom half of the canvas

Mults per gents et multa per aequora vectus adveni hs misers, frter, ad nferis, ut t postrm dnrem mnere mortis et mtam nququam alloquerer cinerem. quandoquidem fortna mih tt abstulit ipsum. 5 Identify the stylistic device(s) in line 1. Mults per gents et multa per aequora vectus adveni hs misers, frter, ad nferis, ut t postrm dnrem mnere mortis et

please show in details of calculation , how comes the below its has result as 6.667 8=0.4Q =12-0.2Q

At time t, the position of the body moving along the x axis is s = t^3 - 6t^2 + 9t m. a. Find the body's acceleration each time the velocity is zero. b. Find the body's speed each time the acceleration is zero. c. Find the total distance travelled by the body from t = 0 to t = 2.

Please help to solve the following: 1) Find an equation of the set of all points whose distance from the point A(1, -2, 1) is twice the distance from point B(-1, 2, 3). Describe the set. 2) Find the parametric equations for the tangent line to the curve x = 1 + tsin(t), y = tcos(t), z = sin(t) at point (1+(/2), 0, 1)

Let D = {10,13,15}, E = {10,12, 13,14} and F = {9, 11, 12, 13,15}. List the elements in the set (D U E) n F. (DUE)OF= (Use a comma to separate answers as needed. List the elements
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double someMoney = 12; WriteLine("The money is {0:C} exactly", someMoney); Given all else, what will be displayed for the above two lines of statements? Group of answer choices The money is $12.00 exactly The money is 12 exactly The money is {0:C} exactly The money is exactly

Elaborar de forma razonada el plan de gestin del involucramiento de los interesados de este proyecto, teniendo en cuenta los siguientes apartados: Hay que desarrollar un anlisis de interesados de este proyecto y analizarlos con las distintas herramientas descritas en este mdulo. Qu ms podra haber hecho Endesa para facilitar una solucin rpida al

3. Fill in the blank: a) The degrees of freedom for error in a regression model with 5 predictors and a sample size of 25 is: _______________ b) The degrees of freedom for the F statistic testing overall significance of the regression is ______________ c) The degrees of freedom for the t-testof whether a single regression coefficient is

How many solutions does the equation sin x = 3/4 have on the interval [0,6pi]

What percentage of individuals in the general population with a SUD received any treatment in 2017, according to NSDUH data

determine if converges or diverges with explanation \f
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Consider the system of equations ut Aux = 0, where A is a constant matrix. The Lax-Wendroff scheme is Un 1 j = Un j 1 2 t x A[Un j 1 Un j1] 1 2 t x 2 A2[Un j 1 2Un j Un j1]. Consider a Fourier mode Un j = ()neikxj bU, where bU is a nonzero constant vector. (a) Show and bU satisfy bU = ( I 2 t x 2 sin2 1 2kx ! A2 i t x sin kx A ) bU. (b) Suppose is

For this question, import the "titanic" dataset as follows: titanic

oit R S 2 une relation transitive et symtrique. Dmontrez que si Dom(R) = S alors R est rflexive. Autrement dit, dmontrez : R est transitif R est symtrique Dom(R) = S R est rflexive.

Find the constants a and b such that the function 15, x 5-9 f(x) = ax+b. - 9
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can you please help me out here. Thanks.

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Gravel is being dumped from a conveyor belt at a rate of 20 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 24 feet high? Recall that the volume of a right circular cone with height h and radius of the base r

Two cards are drawn at random from a standard 52 card deck, without replacement. The probability of first drawing a heart and then drawing a four can be represented in a tree diagram. These two events are _____ because the outcome of the second event is impacted by the outcome of the first event

What are the 4 scales of measure and how are they defined? include all applicable information needed to fully answer a question, including definitions or descriptions of terms, even in cases in which the question does not explicitly direct you to provide a definition or description

Using a random sample (large enough) from a population with a known standard deviation, we have constructed a95% confidence interval for the population mean () as[10,15] What would the92%confidence interval for be if it was created by using the same sample?

Out of a 200 person sample. Moderna is 93% effective at preventing hospitalizations for the Covid-19 virus. Find the probability that fewer than half (less than 100) were not hospitalized

The cumulative distribution function of Z, (). The probability density function of Z, (). In both cases detail the domain over which the functions are defined. Use an RMD document and give the two functions in Latex with the work a picture of your handwriting included using![](){} then knit to HTML.

in what way will you think how to sketch, and how to get the reversion of the order of integration Given Jo TO X. Co54 X 42 dy.dx . ) sketch region of integration 2 ) Given an interated integral for SRfix,yndA in which you reverse the order of integration from what you were originally given
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I cant seem to figure this out The function graphed above is decreasing on the interval C]
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Determine whether the data described are qualitative or quantitative. The rate at which your heart beats

CarMax sells cars. Your friend goes to CarMax knowing that they can afford a monthly payment no greater than $375 per month, starting next month. Therefore, what is the most they can borrow to buy a car if financed using a 5-year loan (60 monthly payments) at a rate of 6.24% APR compounded monthly? Enter answer rounded to the nearest dollar

In order to purchase a home, a family borrows $ 180,000 at 2.3-1 Compounded monthly for 15 years. What is their monthly payment? Round to the nearest cent. A. 12, 1841. 82 B. 350 . 85 C . 1 , 411. 52 D. 1, 183. 35 E. 1, 4144. 66
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This data can be approximated with a linear function. The slope of the linear function is 6. Discuss the meaning of the slope

The area of a square inscribed in a circle with a radius of 16mm is (to the thousandth)

IN THIS STATMENT I HAVE TO HIGHLIGHT IN BLUE THE SKILLS A STUDENT WILL SHOW, AND HIGHLIGHT IN RED THE KNOWLEDE, WHAT WORDS DO i HIGHLIGHT: STUDENTS WILL EVALUATE THE DRAMAS RELEVANCE TO CONTEMPORARY ISSUES OR INDIVIDUAL EXPERIENCES

En una empresa se determina que la cantidad de visitas a la pgina web de ventas se puede describir, de manera aproximada, por la funcin V(t), donde t corresponde a algn momento del da: V(t)=50e(t12)2100 Se puede afirmar que esta funcin: I. No posee mximos locales. II. Posee solo un mximo local. III. La funcin es siempre creciente

question below Consider a continuous-time Markov chain on { 1, 2, 3, 4} with the generator -1 1/2 1/2 1/4 -1/2 0 1/4 Q = 1/6 0 -1/3 1/6 0 0 0 0 Calculate (a) the probability of hitting 3 starting from 1; (b) the expected time to hit 4 starting from 1
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Please help with Q3 and Q5

i need help in solving this question 9) A spherical snowball is rolled in fresh snow causing it to grow so that its radius increases at a rate of o 2 infsec. How fast is the volume of the snowball increasing when the radius is 6 in
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Multiply the following fractions: 2 1/4 and 3 2/3. The mixed fraction (not decimal) result is

Please help me answer this question. I cant seem to get the right answer. Q3 (15 points) (a) The function g(x) =sin (x-a) has domain [2, 4] . What is the value of a ? Explain. (b) The function h(x) =cos"(x) +b has range - - What is the value of b ? Explain
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Is the contribution of incomes in the US described by a normal distribution with a(alpha) equal to the mean income? (This is only thing with the question, I think the answer would be (2), but I want to be sure with a professional) yes not enough information no

2. (10 points) Show that the maximum likelihood estimate of the mean and standard deviation of Gaussian distribution given the data set D = {X, i=1, 2, ... N} is / = 0 = -N (X ; - 1 ) 2. N N di=1
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4.A multiple regression model has the form

You are designing a rectangular pet pen for your new puppy. You have 30 ft of fence barrier. You decide that you would like the length to be 6 ft longer than the with. Draw and label a diagram to represent the pet pen. Write an expression to represent the width and length of the pet pen. Find the dimensions of the pet pen.How would you expect

Amy's net profit after a visit to the casino has a Normal distribution with=5 and 2= 100, LetX1, X2, . . . , X30be her casino profits for each of 30 different visits, andY=30Xibe the total net profit. AssumeXsare independent and identically dis- i=1itributed with E(Xi) =5 and Var(Xi) = 100 What is E(Y) and Var(Y)?

Find the mean and standard deviation for each uniform continuous model. (Round "Mean" answers to 1 decimal place and "Standard deviation" answers to 4 decimal places.) Mean & Standard deviation a. U (1, 14) b. U (110, 250) c. U (1, 90) I have the correct Mean for all, however I am needing help just on the standard deviation

A function f(I) satisfies the following inequality for all I's near zero. sin (3x) sinc
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Which of the following is not one of Nevalainen's ground rules for ARC applications Question 3Select one: a. Be succinct and excite the reviewer b. Make the application as aesthetically pleasing as possible c. Provide as much detail, tables and figures as possible d. Write the grant in a modular fashion so that sections can be funded, even if the

The online game 'Among Them' starts at its release date with 10 users, and every 5 days the number of users doubles. How many days after the release date will it take for the number of Among Them users to be larger than the population of North America (which is about 600 million people)?

What set of reflections and rotations would carry rectangle ABCD onto itself? Rectangle formed by ordered pairs A at negative 4, 1, B at negative 4, 2, C at negative 1, 2, D at negative 1, 1. Reflect over the y-axis, reflect over the x-axis, rotate 180 Rotate 180, reflect over the x-axis, reflect over the line y = x Reflect over the x-axis, rotate

Select from the list below reasons why the eye diagram of a 16 QAM received signal may not be fully open. Note: not fully open is defined as either not being the expected size, shape, or both. Question 2Select one or more: a. Phase skew in the I and Q LO in the Rx b. Amplitude imbalance in the I and Q in the Tx c. Channel noise from Tx to Rx d.

Find the price that will maximize profit for the demand and cost functions, where p is the price, x is the number of units, and C is the cost. Demand Function: 78-0.1x^.5 Cost Function: 33x+550

The median is the middle value in an ordered array of observations Group of answer choices True False

n science what name is given to a statement that is overwhelmingly supported by data from repeated experiments? thesis, conclusion, proposition or hypothesis

We can convert probability to percent chance by diving the probability by 100. Group of answer choices True False

Graph the linear equation. y = - zx+3 y = Vx+1 x y -1 0 w y = 3-x2 X y -2 O 2
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1, 25, 27, 27, 29, 34, 41, 49, 50, 51, 52, 85 A.) what is the variance using range rule of thumb? B.) The 95% confidence interval of the population mean? C.) the 99% confidence interval estimate of true population of even numbers? D.) Use a=0.05 significance level to test the claim that that the true population mean is greater than 42?

Beginning with manipulatives to represent 1/2, separating it into three equal parts, and selecting one of the three parts is one way to represent: Group of answer choices a. 1/2 divided by 1/3 b. 1/3 x 1/2 c. 1/2 - 1/3 d. 1/3 divided by 1/2

Question 9 (1 point) Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis. About the x-axis y=V9 -x2 1) 27 7. 2) 81 , 3) 97 4) 187
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Simplify. Use positive exponents for any variables. Assume that all bases are not equal to 0. StartFraction p Superscript negative 4 Over q Superscript negative 2 EndFraction p4 q2

A water trough is 15 m long and has a cross-sectional shape of an equilateral triangle with a side length of 2 m. It is being filled at a rate of 0.6 m /min. How fast is the water level rising when the water is 0.2 m deep? O V3 m/min O 10V3 m/min 0.1 m/min Oo.1\\/3m/min
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The weights for men are normally distributed with a mean of 172 pounds and a standard deviation of 29 pounds.Determine the probability that a randomly selected male weighs less than 200 pounds.Round your answer to four positions after the decimal point.

2) Write equations for the following word statements. Complete all transformations in the order they are given a) f(x) = (x + 1)2 1 is translated up 3 units, horizontally stretched by a factor of then is reflected over the y-axis to give you g(x). Leave in standard form. b) m(x) = 5x3 is reflected over the x-axis and stretched vertically by a

How much does it cost to heat water for a hot shower? All numbers must be entered as decimal numbersExamples include 5000 or 5e3 or 5.0e3. Do not enter numbers with commas as in 5,000and not as fractions as in 3/4and not in percentages as in 25%That Canvas may reformat your number with commas is not important

Cierto o Falso: Mark true/false for the following statement. La expresin de lugar en ingls para " delante de" es " in front of". True False

The results of a study that used an independent samples t- test was t (28) = 2.14, p = .01. Based on these results, what was the sample size? I know the answer is 30 but why? I get there is something with the 28 but i cannot for the life of me find the answer in the textbook.

A retiree is paid $1900 per month by an annuity. If the income is invested in an account that earns 5% interest compounded continuously, what is the future value of the income after ten years? (Round your answer to two decimal places.)
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9. A biologist introduces 200 ladybugs into a crop field. The population P of the ladybugs can be approximated by the model P = W, where t is the time in days. Find the time required for the population to increase to at least 2000 ladybugs
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Cubes one centimeter on a side are used to form a square pyramidal shape. The bottomsquare on the pyramid measures six cubes on a side. The top of the pyramid shape has a singlecentimeter cube. How many centimeter cubes are used to make a pyramid

Determine the area under the standard normal curve that lies to the left of Z = -0.66 Z = -0.06 Z = 0.35 Z = - 0.89

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