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Mathematics Questions and Answers March 13, 2021

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Area= 40 inches Perimeter = 26 inches What are the side lengths of the rectangle

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20 B IU A In linear growth the population size (N) increases according to this equation : N = ct N_{0} AM c = rate of increase (change in population size per unit time) t = time (in generations ) N_{0} = initial population size. DRR Use the following data table and graph to plot this type of growth. Assume that c = 2 and N_{0} = 4

Studies show that gasoline use for compact cars sold in the united States is normally distributed, with a mean of 25.5 miles per gallon (mpg) and a standard deviation of 4.5 mpg. What percentage of compact cars get 30 mpg or more?

Evaluate the expression one Y equals 4 and X equals 8. x+9y

As an Operations chief, draft a plan for how the fuel will be distributed. When an earthquake has been measured at 7.0 on the Richter scale, centered directly south of Bobsville by 1.3 miles. Expect aftershocks. This should include details on how much fuel will be needed, how it will be transported to the Bobsville Race Track area and the

By changing the basic assumption that given a line and a point not on the line, one and only one line may be drawn through the given point parallel to the given line, we obtain non-Eulerian non-Parallel Eulerian non-Euclidean geometries. In one of these geometries, called elliptic geometry, there are no parallel curved straight perpendicular lines

when reading numbers from abacus, each road must have no more than nine discs. why is that

What happens to the volume of a sphere if its radius is multiplied by 5? Question content area bottom Part 1 The volume is multiplied by enter your response here. (Type an integer or a simplified fraction.)

2. Find the Taylor series centered at @ = 2 for the function f(z) = e** + e=%* (you do not need to find its interval of convergence)
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find the difference quotient of f;that is f(+h)-f()/h, h#0, for the following function. Be sure to simplify f()=^2-4+4 Find the difference quotient of , that is, find h #0, for the following function. Be sure to simplify. [(X)=X - 4x +4 [(x + h) -f(x)
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1.A new shopping mall is considering setting up an information desk manned by one employee. Based on information obtained from similar information desks, it is believed that people will arrive at the desk at the rate of 20 per hour. It takes an average of 2 minutes to answer a question. It is assumed that arrivals are Poisson and answer times are

Question 1 Create a truth table for the following statement: AA ~ B AB ~ B AA ~ B T T TF F T FIF Question 2 25 pts Create a truth table for the following statement: ~ AV ~ B AB ~ A ~ B ~ AV ~ B TT TF F T F F
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Smith Farmers Association represents a large section of the Midwest. Last year the average corn yield produced by the members of the association was normally distributed with an average of 92 bushels per acre (bu/ac) and a standard deviation of 6.5 bu/ac. What is the z-score for a value of 89 bu/ac? a) -2.17 b) -0.4615 c) 1.0769 d) -0.3228 e)

Could use some help thanks Find a particular solution of the indicated linear system that satisfies the initial conditions x, (0) = 5, x2 (0) = - 4. 5 - 2 X' = X; X1 = est =e 3t 8 - 5 4 The particular solution is x, (t) = and X2 (t) =
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3. Let f : R R be defined by f(z) = (1 = 2x). Use the "z " definition of continuity to show that f is continuous at 1
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D Question 19 5 pts For the binomial distribution with n = 24 and p = 0.6, state whether or not it is suitable to use the normal distribution as an approximation. O Normal approximation is not suitable. Normal approximation is suitable

I'm looking for attributes for a quantitative analysis and examples, it will be useful to have references as well.

Fundamental Theorem Using Fundamental Theorem evaluate definite integrals in simplified form ( not approximate) ( 1 ) 2 cos ( x) da (2) J ( x + 2 x + v x - 3 ) d x (3) esx dx
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Can you help me understand if these three numbers can be measures of the sides of a triangle? My answer key says yes, but I keep calculating it cannot be. Thanks! 2) 10, 18
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The goal of qualitative research is: a.Transferability b.Generalizations to a group c.None of the these answers d.The collection of statistically reliable data

In a time of t seconds, a particle moves a distance of s meters from its starting point, where s=t2+t+4 . (a) Find the average velocity between t=3 and t=3+h if: h=0.1 , the average velocity is: functionsequation editor h=0.01 , the average velocity is: functionsequation editor h=0.1 , the average velocity is: functionsequation editor h=0.01 , the

Suppose that A f(a) = x2 + 11 Find f' (1). f' (1) =
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Determine the radius of convergence R for the series: Determine the radius of convergence R for the series: (Bound to 2 decimal places if necessary}
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4). Is the One Way ANOVA significant? A. It is not significant F(2, 72) = 15.43, p > .05 B. It is not significant, F(2, 74) = 15.43, p > .05 C. It is significant, F(2, 72) = 25.01, p
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(3) What is the surplus, separately for consumers, producers, and third parties as a function of the amount q produced in the market? Surplus refers to their welfare, profits, or utility defined relative to a situation where q = 0. In your analysis, be sure to refer to the utility function
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Yvie divided 30,525 by 225. She found the answer is 135 R150. Which number is the quotient? 225 135 30,525 150

Attached is the SPSS outcome of a study done to determine whether the average GPA of male students of UCLA is less than 3.4 (n=10, s=0.29, and sample mean=3.1). What can be concluded at 2% level of significance? p-value is 0.013%, so reject null. Average GPA of students is less than 3.4. t value is less than 2% so average GPA of students is less

A vector s has initial point (1, -5) and terminal point (2, - 3). Write s in the form s = aitbi
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A teacher found the mean of 23 students' marks in Biology test as 65. But then she realized that while calculating the mean, she misread one test score as 16 instead of 96. What is the correct mean? (You can use calculator.) Question 20 options: 68.47 62 69.1 66.26

3. Show that -VXEA -P(x) is equivalent to axeA P(x). This is similar to t examples and exercises in Section 2.2 of your SNHU MAT299 textbook
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Could use some help in under an hour thanks Solve the equation Ax = b by using the LU factorization given for A. 2 -4 U 1 0 0 2 -42 6 A = -4 5 2 = -2 10 0 -36 ,b= 3 4-5 -1 2 -1 1 0 01 3 Let Ly = b and Ux = y. Solve for x and y. V = X =
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statistics problem 1 (15 points) The 1* statistic for a test of H0 1 M = 20 HA I M
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4. Supongamos que se depositan $1,000 en una cuenta de ahorros y prestamos que paga el 8% de

x - 3y + z = 2 and 3x - 4y + z = 0 and 2y - z= 1 find x, y and z

The relationship of a circle to a regular polygon is that a circle can be drawn to touch the corners of the polygon, referred to as circumscribed, or a circle can be drawn to touch the sides of the polygon, referred to as inscribed

You see a photo of someone jumping rope, with the rope behind him) Although it is possible that there are two different ropes, since you cannot see the whole thing, you assume that the person is holding one continuous rope) This illustrates ______) Group of answer choices similarity good continuation closure simplicity

I did not have any questions to specific problems, rather an overall question on rounding and significant figures. Is there a certain standard that all numbers are rounded too? Unless specified in the question to round, I was always taught to round to 3 places. In many of my questions/answers, I got the correct answer, but the book answer is

Every day, we make many choices. We can't avoid having to make choices because ________. Question content area bottom Part 1 A.there is too much variety B.we keep changing our minds C.we can't afford to do all the things we'd like to do D.there are too many TV channels E.there is too much available

What is the dependent variable? From which response class does the dependent variable come? Is the independent variable a qualitative variable or a quantitative variable? Explain.

Sketch the region of integration and use polar coordinates to evaluate the integral. (0,2) (0, (1-(x-1)^2)^1/2) x+y/x^2 +y^2 dy dx (0,4)(x,4) (x^2+y^2)^3/2dydx (0,1) (-(1x^2)^1/2, 0) (x+y)dydx

The length of steel beams made by a steel company is normally distributed with a mean of 25 feet and a standard deviation of 0.25 foot. The length is measured to the nearest tenth of a foot. What is the probability that a steel beam will be 25.8 feet long? (Venice)The length of steel beams made by a steel company is normally distributed with a

4. p is the probability of success in a series of Bernoulli trials. To test H0 : p = 2/3 against H1 : p = 1/3 , two trials are made and H0 is rejected only if both the trials are failures. What is the value of (; ), the two types of error? (A) 1 /9 ; 5 /9 (B) 1 /9 ; 4/ 9 (C) 2 /9 ; 5/ 9 (D) 2 /9 ; 4 /9 (E) None of the above.

22. Is the Poisson model suited to these applications?(Answer Y or N) (a) The number of customers who enter a store each hour in a shipment of glass vials (b) The number of auto accidents reported to a claims office each day (c) The number of broken items

Consider a null hypothesis stating that the population mean is equal to 52, with the research hypothesis that the population mean isn't equal to 52. Assume you've collected 38 sample data from which we computed a sample mean of 53.67 and a sample standard deviation of 3.84. Further assume the sample data appear approximately normal. What's the

There are several possible explanations for the existence of a statistical relationship between two variables. Which is not a common explanation? A.Direct Causation B.Common Cause C.Confounding factor D.Coincidence E.None of the above

12 It 21. 22. 23. 24. 11 m 11 ft 512 m 45' 14 ft 30' 30 20 ft 29 ft 6 ft 25. 26. 27. 9/2 ft 16 ft 18 ft 45 45" 6,2 ft 60" 25 ft 15 ft 9 ft 28. 11 ft 20 ft 29. 30. 7 ft 14 ft 30 60 29 ft 25 ft
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In your work for a national health organization, you are asked to monitor the amount of sodium in a certain brand of cereal. You find that a random sample of 82 cereal servings has a mean sodium content of 233 milligrams. Assume the populationstandard deviation is 10 milligrams. At a = 0.01 , can you conclude that the mean sodium content per

Pick correct answer Which of the following can be integrated by using the substitution u = In(x) - (In(x))2 + 1 xin(x) dx . 1 Vin(x) + I dx. 1 Vin(x) dx X IV (In(x))2+ 1 In(x) -dx . ll and IV only. and ll only. OlI only. Ill only. and Ill only
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Selecciona los dominios existentes en la taxonoma de objetivos propuesta por Bloom:

A study was given that asked participants if given the inherent risks of offshore drilling, they could support issuing permits for the excessive number of 23 new rigs. What is wrong with this study?

Use your math skills and knowledge you have of the khipu system. Say you were examining a cord from a khipu and notice a cluster of 2 single knots in the hundredths position near the primary cord, as well as a long knot that has been turned 4 times. What is the numerical value of this cord

5 Question 13 Not yet answered Marked out of 1.00 Flag question 11 A parabola is given by the equation y - 2 + 8x - 9 17 Select the option from the list below that gives the coordinates of its vertex. Select one: (4,25) (-25. -4) (4, -25) (-4,25) (-4,-25)
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Divide. (4x + 19x + 13) : (x+4) Your answer should give the quotient and the remainder. Quotient: Remainder: X
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A culture of bacteria is growing at the rate of20 e 0.8 t cells per day, where t is the number of days since the culture was started. Suppose that the culture began with 50 cells. (a) Find a formula for the total number of cells in the culture after t days. T ( t ) =25e0.8t+25 (b) If the culture is to be stopped when the population reaches475,

in on 100 homer gidal bowies) Overall The best allocation of The p
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.......... A trough is filled with a liquid of density 830 kg/ms. The ends of the trough are equilateral triangles with sides 8 m long and vertex at the bottom. Find the hydrostatic force on one end of the trough. (Use 9.8 m/s2 for the acceleration due to gravity.) N Enter an exact number. diau paaN Read It Watch It Talk to a Tutor
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Identify the correct justification for each step, given that AC intersects BE , mAFE=40 and mCFD=50 . The figure shows two lines A C and B E. These lines intersect at point F. Ray F D separates angle E F C into two smaller angles. It is given that AC intersects BE . By the ________, AFE and BFC are vertical s. By the ________, AFEBFC . By the

Of the intervals below, which best represents the size range that is acceptable for partial interval recording? a) 1 to 3 second intervals. b) 10 to 20-second intervals. c) 1 to 5 minutes intervals. d) 10 to 15 minutes intervals

A nursing professor gives a pre-test on each unit and administers the same test at the conclusion of each unit.She compares the pre and post tests to determine if there is a statistical difference in the knowledge of her students following each unit.If the scores are normally distributed, what is the appropriate statistical test? Wilcoxon

1.) Solve by graphing. Write your answer as an ordered pair. y =-x-1 4x - 3y = 24
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Allen wants to build an outdoor patio. He is shown a design he likes, displayed in brown below. Find x if Allen wants the area of the outdoor patio (shaded region) to be 500 square feet. Enter answer as an integer. A white rectangle is shown inside a larger brown rectangle. The white rectangle has length of x + 15 and width of x. The larger brown

Here, you are given the locations of the longitudinal roots (equivalently, the eigenvalues of the A matrix corresponding to the linearized longitudinal dynamics; please see Nelson 4.4 for details). (a) Determine the roots (eigenvalues) corresponding to the short-period and phugoid modes. You must justify your answer. (b) For each mode, determine

The bookstore marked some notepads down from $2.00 but still kept the price over $1.00. It sold all of them. The total amount of money from the sale of the pads was $35.15. How many notepads were sold? What was the price of each notepad? Question content area bottom Part 1 A total of enter your response here notepads were sold.

Determine the point estimate of the population mean and margin of error for the confidence interval. Lower bound is 18 18, upper bound is 28 28. The point estimate of the population mean is nothing . The margin of error for the confidence interval is nothing .

The weight of trucks traveling on a particular section of I-475 has a population mean of 15.8 tons and a population standard deviation of 4.2 tons. a- What is the probability a state highway inspector could select a sample of 49 trucks and find the sample mean to be 14.3 tons or less? b- What is the probability a state highway inspector could

Explore the graph in the following link and explain your understanding.More than two paragraphs are always welcome!!! https://www.nytimes.com/2020/04/08/learning/whats-going-on-in-this-graph-pandemic-intervention-models.html

An equation of a hyperbola is given. (x + 2) 2 / 9 - (y-2) 2 / 16 = 1 a) Find the center, vertices, foci, and asymptotes of the hyperbola. center (x,y) vertex (x,y) smaller x- value vertex (x,y) larger x- value focus (x,y) smaller x- value focus (x,y) larger x- value asymptotes b) Sketch a graph showing the hyperbola and its asymptotes

I am finishing my paper for Statistics and I've confused myself. My P-value is .0027 while my alpha is .05. My P-value is less than my significance value. Do i reject the null or do not reject the null and what do I write as my explanation? I think I reject the null because there is not enough statistical evidence to prove my hypothesis. Please

The computer output from a regression analysis which examines the relation between men's winning times and year is provided below. \f
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Imagine a divisor method that rounds modified quotas x in between the whole numbers m and m 1 down to m if and only if x < sqrt((m^(2) (m 1)^(2))//2) (the root-mean-square of m and m 1 ). (a) Would this method satisfy the quota rule? (b) Would this method be house monotone? (c) Would this method be population monotone

A transistor is powered by five batteries. Five batteries are selected from a large lot in order to fill a particular transistor. If one of the batteries is dead, the transistor will not function. Assume that the large lot consists of 20% dead batteries. What is the probability that if 5 transistors are filled, 2 will not function?

Prove that for any non-trivial subgroups A and B of Q (this is the group of rational numbers with operation +), the intersection A N B is non-trivial. Explain why this proves that Q cannot be isomorphic to any direct product of non-trivial groups
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8. An ice cream store is selling, on average, 50 boxes of strawberry ice cream per day with standard deviation 5 during the summer season. Use Chebychev's inequality to estimate the probability that on June 19 over 65 or under 35 strawberry ice cream boxes will be sold. [10 pts]
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A random sample of 20 individuals who graduated from college five years ago were asked to report the total amount of debt (in $) they had when they graduated from college and the total value of their current investments (in $) resulting in the data set below. \f
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The graph shows the function f(x). Which equation represents f(x)? O f ( x ) = - 3x 5 O f ( x ) = -3 x-1 f(x) Of ( x) = 3-x-1 ......... O f ( x ) = 1 -x -10 -8 -6 2 4 6 8 10 x
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Please help with this. 4. When a gdf F (x) has a tail power of a (i.e., when 1 - F(x) o K] = K a/ (a 1) for-K large enough. Discuss the existence of this expectation as a function of 0.. b. Derive an estimate of E [X IX > K] based on a sample from F
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Can someone please help me solve this problems and explain to me how is it done. Page 11 of 21 Extra practice 1. Use the principle of Mathematical Induction to prove that 1+ 5+52+ 53 + ...+50 5n+1 - 1 = for all n 2 0. 4 2. Use the principle of Mathematical Induction to prove that n2 - 5n + 3 > 0 for all n 2 5
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Your fitness facility is open for 16 hours each day and you have 4,000 members. An average of 100 members visit the facility each hour. How many pieces of cardiovascular equipment should you have? 25 pieces b. C. 50 pieces 100 pieces d. 200 pieces

Can you please help me find the area of this triangle? Thanks! \f
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Graph the function f(x) = X3 4x 1. Which are approximate solutions for X when f(X) = 0? Select three options. C] 2.11 C] 1.86 C] 0.25 C] 0.25 C1211
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4 4.031. 2/5 Submissions Used Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all answers including repetitions.) P(x) = 4x4 - 17x3 - 12x2 + 68x - 16 X = X Write the polynomial in factored form. P(x) X Need Help? Read It Submit
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Could use some help thanks Solve the equation Ax = b by using the LU factorization given for A. 4 -4 4 1 0 0 4 -4 4 - 8 A = - 8 6 -3 = -2 10 0 -2 5 , b= 24 12 - 10 8 3 -1 1 0 0 1 32 Let Ly = b and Ux = y. Solve for x and y. y = X =
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A sample has a mean of M = 42 and a standard deviation of s = 3.3, and produces a t statistic of t = 2.04.For a two-tailed hypothesis test that has a critical cutoff T of 1.96, do you reject the null or not? a.none of the answers are correct b.there is no way to tell if you can reject or not c. cannot reject the null hypothesis d.reject the null

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ind the quadratic equation with the roots of x=1/2 and x=-2/3 please

Suppose that 20 people throw their hats into the center of a room. the hats are mixed up and each person randomly selects one. find the expected number of people that select their own hat. (use expectations of sums of random variables or properties of expectations)

In a sample of 100 students, 85 of them said that they find Statistics to be extremely invigorating.If we wish to calculate the confidence interval of the percent of student body who feels that statistics is extremely invigorating, what would our be?

The maturity value of a 9minusmonth, 6% note for $ 45 comma 000, dated May 12 is: (Round your final answer to the nearest dollar.) Question content area bottom Part 1 A. $ 47 comma 025. B. $ 2 comma 025. C. $ 45 comma 000. D. $ 47 comma 700

Solve the following quadratic equation 6x 2 + 13x = -6

\[\mu(x) = \exp\left(\int \frac{1}{x} , dx ight) = \exp(\ln |x|) = |x| \]

2 - Les questionsFill in the blanks Activity 5 ATTEMPTS LEFT DUE November 8th 11:59 PM Make a question out of each statement using inversion. Follow the model. Questions Modle Vous parlez anglais. Example answerParlez-vous anglais?End example answer Question 1 with 1 blank Ils sont qubcois. 1 of 1 Question 2 with 1 blank Elles adorent voyager. 1

If f(x) = x2 - 8x - 3, find f(a + h) - f(a). (Simplify your answer completely. ) X Suggested tutorials: Learn It: Evaluate functions using function notation. Learn It: Add and subtract polynomials. Learn It: Multiply polynomials by monomials. Learn It: Multiply binomials with special products. Need Help? Read It
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Solve the compound inequality and choose the correct answer below. -2x + 9 8 O -7 -6 -5 -4 -2 -1 0 2 O -6 -5 -4 -2 -1 0 2 O -2 -1 O 4 6 O -7 -6 -5 -4 LO -3 -1 2
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A dental student is conducting a study on the number of people who visit their dentist regularly. Of the520 people surveyed,312 indicated that they had visited their dentist within the past year. Find the population proportion, as well as the mean and standard deviation of the sampling distribution for samples of sizen=60 . Round all answers to 3

Suppose that you have specific sample data and want to choose between a 80% or a 95% confidence interval. Which confidence interval is wider for the same data? Justify with a specific example

Mi abuelo es el de mi abuela, es decir, est con ella. Muchos novios tienen un bastante opens in a dialog largo antes de la boda. Mara y Julio tienen una el viernes para comer en un restaurante. Luego van a bailar. La de Juan y Pati es el domingo a las dos de la tarde, en la iglesia opens in a dialog de San Martn. La entre ex esposos es imposible.

5.Denote X(t):=[B(t)|B(s)=a,B(u)=b] for t[s,u],where0

leroy, a starting player for a major college basketball team.... \f
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