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Mathematics Questions and Answers September 20, 2021

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the workers union at a particular university is quite strong. About 94% of all workers employed by the university belong to the worker union. recently the workers went on strike and now a local tv station plans to interview 5 workers chosen at random at the university to get their opinions on the strike. what is the probability that exactly 2 of

A farmer divided his piece of land into4 equivalent groups. The quality of the soil is the same across the4 groups of land. He planted the same crop in all4 groups of landand recorded the yield of the crop in all4 groups for a4 week period. Is the study observational or experimental? If it is an experiment, what is the controlled factor?

Given 10 numbers a1, a2, . . . , a10, from the set S natural numbers S = {1, 2, 3, . . . , 100} . Prove that there exist two (or more) subsets of the 10 numbers whose elements sum to the same value.

Hello, I am stuck on these problems could use some help please \f
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Los estudiantes elaborarn un Programa de Auditora, Matriz de desviacin de cumplimiento y plan de accin, tomando como origen la observacin que se presenta a continuacin: Enunciado: Lea con mucha atencin: OBSERVACIN EL PRONIS OTORG CONFORMIDAD A LA ADQUISICIN DE EQUIPOS HOSPITALARIOS E INSUMOS PARA ATENCIN DE CENTROS DE ATENCIN TEMPORAL POR

Solve for the matrix X if 3(4XA - B)XD = 1C. Assume that all matrices are n X n and invertible as needed. X -CB(3D - 4CA) -1
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An agency surveyed people worldwide, asking them, "Do you live in a household with more than one car?" Of the 1134 respondents surveyed in India, 482 said they live in a household with more than one car. In Canada, of the 989 respondents, 442 said they lived in a household with more than one car. Find the standard error for the difference in the

Let V be the wospace of R spanned bay () LBE Graham Schmidth to and an arthomoral basis of V ( 6 points ) ( 1) find the projection of y= onto y (4 points ) () , = V = where P 1= ( 1zil ) <1>
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Correct your numerical answers to 4 decimal places if necessary. Refer to problem on p. 1: Max 4x + 3y s.t. + + 2y
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1 with 1 blank veinte ms cinco = 1 of 1 Question 2 with 1 blank once ms once= 1 of 1 Question 3 with 1 blank seis ms tres = 1 of 1 Question 4 with 1 blank trece menos trece = 1 of 1 Question 5 with 1 blank veintisis menos quince = 1 of 1 Question 6 with 1 blank doce ms ocho = 1 of 1 Question 7 with 1 blank veintinueve menos diecinueve = 1 of 1

Read, Reflect and Respond: Based on your earlier reading in chapter 7, share three (3) reasons you believe World War I was such a devastating conflict. Here are some ideas to consider: social classes, technological advancements, impact on African and Asian peoples, or provide your own thoughts based on the reading 1. 2. 3
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The windward (upwind) side of a mountain tends to be cloudier. True or false? Group of answer choices True False

A man has recently replaced his 55" television, which utilized the old 4:3 ratio aspect. (A television's size is measured along its diagonal.) He replaced it with a new 60" HDTV, in the new 16:9 aspect ratio. Does he now have more or less total square inches of viewing pleasure? Explain.

24 (5 points) Title:AlgwFin-U3-Test-Std19-130 The graph of a ______ looks like a flight of stairs. a quadratic function b exponential function c absolute value function d step function

The time to complete a standardized exam is approximately Normal with a mean of 70 minutes and astandard deviation of 10 minutes. Using the 689599.7 rule, if students are given 100 minutes to complete the exam, what percent of students will not finish?

whcih is the folllowing is a true statement about aspirin

Let F~ (x, y, z) = 2x ~i z ~j + y ~k. a) Evaluate F~ . b) Use Gauss' theorem and evaluate W F~ dS~ where W is the region x 2 + y 2 z 1 and x 0.

Two groups of participants threw darts at a target. One group used their preferred hand; the other group used their non-preferred hand. Analyze the data, finding t and p values. Preferred group scores: 12 7 11 13 10 Non-preferred group scores: 7 9 8 10 9

I wish to show the average SAT score at GSU is not 1150. I take a SRS of 100 students and find the average SAT is 1120 with a standard deviation of125. Let alpha = .1 2.The null and alternative hypothesis are ____________________ and ________________________ 3.Can we ever prove H o is correct? Why?

(1) Suppose that Tina's neighbor, Jessica Spears, is opening a lemonade stand. If Tina charges a price (in dollars) of p 1 and Jessica charges a price p 2, then Tina will sell 100 p 1/( p 1 + p 2) glasses of lemonade. If p 1 is in cell A2 and p 2 is in cell B2, create a formula that yields the number of glasses of lemonade Tina will sell

Fill in the blanks below in order to justify whether or not the mapping shown represents a function. Set A Set B 3 -1 -3 4 8 -2 5 The mapping diagram above a function since in where there
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The solid bounded by the paraboloid z= 8 - 4x 2 -4y 2 and the plane z = 4 the volume is ---------?

1.Two cards are dealt.What is the probability that the second one is an ace or the first one is a spade? 2.Use for questions 2-4.In California, we are in a drought.Assume there is a 60% chance that the drought becomes worse in the future.Assume there is a 30% chance that the temperature will rise over 110 degrees F.Assume there is a 20% chance

Write an equation in point-slope form given P(3, 1) and Q(2, 5)

Solve the following equations forY : 6 X+9 Y-225=0 9 X-10 Y=40+3 X

You are given f(x) = x^4 - 3x^-3 - kx - 5. When f(x) is divided by x + 3, the remainder is 166. Determine the value of k

Suppose a population is known to be normally distributed with a mean, , equal to 116 and a standard deviation, , equal to 14. Approximately what percent of the population would be between 116 and 130?

Use Euler's method with step size h = 0.1 to approximate the solution to the initial value problem y' = 3x - y, y(5) = 0, at the points x = 5.1, 5.2, 5.3, 5.4, and 5.5. . . . The approximate solution to y' = 3x - y, y(5) = 0, at the point x = 5.1 is (Round to five decimal places as needed.)
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V. Methodology - one quantitative research design. develop a specific research method addressing the CV, concerns from the literature review and tailored to the specific clinical setting. develop a specific research method addressing the content validity, internal validity and external validity concerns from the literature review and tailored to

And To Dress Double W 1 # 6 Min. Queen +2 W #2 Pret Length Per Pers King #3 W 13 Handicapped Day Or W 1220 48 Min Cot 1370 54 Pret loset
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Here is sample data showing the weight of coffee beans in bags labeled 5 pounds.The data is in pounds. 5.754.825.255.964.594.525.065.675.734.71 5.55.844.825.984.895.394.734.965.594.86 4.944.94.714.995.615.265.34.924.544.58 4.594.724.64.6754.975.474.885.025.27 5.854.674.915.635.15.74.915.624.995.95 4.765.954.915.814.545.914.914.634.815.73

You own a tutoring business and have two employees Diego and Victoria. Diego charges $15 and hour and Victoria charges $16 an hour. You know together they tutored a total of 50 hours and made a total of $774. However you have lost your records as to how many hours each tutored for business. Determine how many hours each has worked

Table 3: Analysis: Series Circuit Voltage Current Resistance Power V(V) I (A) R ( ) P ( W) AV = I = R = P. = AV = I, = R, = P = AV= R = P. = AV = I = R = P =
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Calculate the total tax amount using a tax percentage of 40% if the gross pay is greater than 7500 and 20% if it is less than or equal to 7500. Use the calculated tax amount in dollars to subtract from gross pay and display the net pay python

An artist is sculpting a square pyramid from a square prism of marble. The finished pyramid is 62.5 cubic inches in volume. Assuming the prism has the same base and height as the pyramid, what is the original volume of the piece of marble? 562.5 in3 62.5 in3 187.5 in3

The table summarizes results from pedestrian deaths that were caused by automobile accidents. Driver Pedestrian Intoxicated? Intoxicated? Yes No Yes 59 86 No 235 600 If two different pedestrian deaths are randomly selected, find the probability that at least one involve drivers that were intoxicated. Round to 4 decimal places
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Consider the following function and express the relationship between a small change in x and the corresponding change in y in the form dyequals f prime left parenthesis x right parenthesis dx . f(x)equals e Superscript 3 x Question content area bottom Part 1 dyequals left parenthesis nothing right parenthesis dx (Type an exact answer in terms of e

Determine whether the given equation is separable, linear, neither, or both. dx 8x -+61 x =2 cost dt . . . Choose the correct answer below. O A. The equation is linear. O B. The equation is separable. O C. The equation is neither separable nor linear. O D. The equation is both separable and linear
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1.Recall that df =f(s)-f(t), where s and t are generic values of the independent variable.Prove that d(xy) = ydx + xdy and d(x/y) = (ydx - xdy)/y^2.

The nurse is caring for a 12 kg child diagnosed with epiglottitis. Vancomycin 50 mg/kg/day in three divided doses is prescribed. The medication is supplied as 500 mg/100 ml. How many milliliters per dose will the nurse administer? Record your answer using a whole number. ml

A nutrition scientist selected a random sample of 60 male adults. He found that the average daily intake of dairy products was 756 grams per day with a standard deviation of 35 grams per day. Construct a 95% confidence interval for the mean daily intake of dairy products for adult men

. How important is a teacher's knowledge of Mathematics to the design and differentiation of instruction?

1. Use the comparison test to determine if the following integral is convergent or divergent. 1 ex + 3 ir 2. Use the comparison test to determine if the following integral is convergent or divergent. 1 Note: You may use without verification that [ de is convergent for p > 1 and divergent for p
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National polls are often conducted by asking the opinions of a few thousand adults nationwide and using them to infer the opinions of all adults in the nation.Explain who is in the sample and who is in the population for such polls.Please use a poll from a newspaper, TV, a magazine, or from the Internet...Can you use this poll about covid "Share

Determine the number of subsets as requested. 3) Determine the number of subsets of {mom, dad, son}
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When you and graph have 9.9242 years to double $150 with 7.5%. How does the graph support your

What is the main disadvantage of measuring qualitative data? In your answer, also explain why quantitative research is most often applied in the behavioral sciences.

1. Sketch a portion of the Fe-Fe3C phase diagram for the hypoeutectoid steel tested (approximately 0.18%C). Mark on the diagram the annealing process and describe what is happening as the steel is cooled from above the A3 line. Trace the transformation of the austenite to its final products. Use sketches of microstructures as part of your

for a large but finite object distance is the image: at the focal point of the lens, just inside the focal point (nearest the lens)Object at infinity; Image at infinity 1. For an object truly at infinity (d0 = ), explain why the lens equation (Eq. 1) predicts that f = di and give your measured value for di

Which of the following statements about saber and conocer is true? Which of the following statements about saber and conocer is true? Saber and conocer are irregular in the yo form, but only saber is irregular in the other present tense forms. Both saber and conocer are irregular in the yo form and can be classified in the yo-go group of irregular

If an entire population with mu = 60 and Variance = 8 is transformed into z scores then the distribution of z scores will have a mean of ______ and a standard deviation of ________. How do you go about answering this ? Thanks

CAN YOU HELPP ME WITH MY HOMEWORK NOT for TUTOR: dont submit if you dont do full THEM OR BAD RATE And in full explanation show all your work Solve the following system of nonlinear equations:x^2 + y^2 = 9 x^2 - y^2 = 1 Find the maximum value of the function f(x,y) = 3x^2 + 2xy + y^2 subject to the constraint x + y = 6. Evaluate the definite

Using what you've discovered doing these activities, describe what each area in the symbol notation refers to. a. What can you determine from what is written on the upper right side of the symbol diagram? b. What can you determine from what is written on the upper left side of the symbol diagram? c. What can you determine from what is written on

Convert 4,500,000 micrograms to milligrams. Record the answer using a whole number with no punctuation. mg

In the morning, about 28% of adults know what they will have for dinner.If one morning,you ask 22 adults if they know what they will have for dinner, what is the probability that more than 6 will say yes?

FOLLOW UP PLAN OR EDUCATIONAL PLAN FOR 51 YO BLACK FEMALE WITH IRREGUALR VAGIAL BLEEDING DESCRIBE WHT YOU MAY DO FOR THE PATIENT IN THE INTERIM, WHILE WORK UP IS BEING COMPLETEDINCLUDING A SPECIFIC PLAN FOR FOR FOLLOW UP WITH YOU OR A SPECIALIST

second Year business students at many universities are required to take 10 one-semester courses. The number of courses that result in a grade of A is a discrete random variable. Suppose that each value of this random variable has the same probability. Determine the probability distribution.

Please help Problem 11. The velocity of a car is given by w(?) = 60(1 - (0.7)'), where v is measured in m/s and : is measured in s. a. Determine the acceleration function. b. Determine the acceleration at f - 2s. c. What is the initial velocity and what does this mean physically? d. Determine the time at which the acceleration is 3 m/s
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Consider the series (c+1/n)^2n n=1 (where cis a constant). For which values ofc will the series converge, and for which it diverge? Justify your answer, and show all your work. (Hint: Use the root test. Forc=1,you will need to use a different method.)

I need help with this question Question 3 3 pts Which of the following limits (if any or all) are valid expressions for f(x) = 241 O limz +1 7-1 (22+1)(22+1) -2z O limz-0 z (2x+2z-1)(2x+1) O limp-0 h (2x+2h+1)(2x+1) O limz +0 (214 1)
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Assume x and y are functions of t. Evaluate dy/dt for the following. y 3 =2x 3 +6 ; dx/dt=3 , x=1, y=2 dy/dt= ______(Round to two decimal places asneeded.)

The t distribution always has n degrees of freedom. True False

Soluciona el siguiente problema de programacin lineal. Maximiza p= 7x + 6y Sujeto a 3x - 4y 12 f2x + y 30 x,y 0

The galton (UsingR) data set contains data collected by Francis Galton in 1885. Each data point contains a child's height and an average of his or her parent's heights. Perform a test of significance to see whether 1 equals 1 against a two-sided alternative using R Studio and provide interpretation of outcome

I'm having problems with langrange multipliers trying to figure out the fmax f(x,y) = xy subject to y=12-x 2 how would i figure out the fmax and corresponding point(x,y) thank you. i would like steps please so i can learn it

.The number of customers paying with PayPal is Poisson distributed. The mean number of such users per 5-minute interval is 1.5. The probability that no such users in the next 10 minutes is ?

A random sample of 20 recent weddings in a country yielded a mean wedding cost of $26,309.38. Assume that recent wedding costs in this country are normally distributed with a standard deviation of $7600. Complete parts(a) through(c) below. a. Determine a95% confidence interval for the meancost, , of all recent weddings in this country. The95%

7.How long will it take for an investment at a 12% rate compounded quarterly to quadruple? 5. Find the absolute extreme values of the function on the given interval T' on [-1, 4
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What's an example of an exponential equation that has bases are powers of one another I don't understand what this question is asking. also, what is meant by a exponential equation that bases are not powers of one another

What is the advantage of using ANOVA to test for differences among treatment means rather than testing all possible pairs of treatment means?

The following data values represent the daily amount spent by a family during a 5day summer vacation. Find the standard deviation of this dataset: $120 , $60 , $250 , $120 , $200

uiz: First Things First Started: Jul 7 at 9:36pm Quiz Instructions The quiz: Covers the Learn material from Module 2: Week 2. Contains 11 multiple-choice and essay questions. Is limited to 1 hour. Allows 1 attempt. Is worth 50 points

Identifica el pronombre de objeto directo que reemplaza a nosotras. Multiple choice question. la nos los las

6 (5 points) Title:AlgwFin-U4-Test-Std8-16 You are financing $10,000 for 3 years with monthly payments of $316.67. What is the total finance charge? a $9,500.10 b $11,400.12 c $1,400.12 d $499.90

Simple solution please Let f (x) = (3 1110') + 1)(h1(x)+2 Sin(%x)) a) Find the linearization of f (x) about x = 1. b) Use part (a) to estimate f (1.001)
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How do you calculate the confidence interval analysis for one variable and run the appropriate method for estimating a parameter based on a statistic?

MAT142 Hayley invested $18,000.00 into an account paying a ridiculous 10% compounded quarterly. How much money will be in the account after 45 months? Round your final answer to the nearest cent. CHECK
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Please help 9. (1 point) If the gradient of f is Vf = z?j- 2xi + 4yzk and the point P = (8, -9,6) lies on the level surface f(x, y,z) = 0, find an equation for the tangent plane to the surface at the point P. Z=
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If f(x)=x^3, then f^1(x)= How do I solve this?

1. Farmer, Stewart Davis, a soybean grower in Arkansas plans to seed his soybeans in 36-inch rows at a final population of 150, 000 plants per acre. If the germination rate listed on his seed bag is 85%, (a) how many seeds should Mr. Davis anticipate planting per foot row? (b) how many inches should he expect between the seeds? 2. Use the

A particle moving along a line has at each time t a position function,s(t),which is continuous. Assumes(2)=5 ands(5)=2.Another particle moves such that its position is given byh(t)=s(t)t. Explain why there must be a value c for2

Suppose a production facility purchases a particular component part in large lots from a supplier. The production manager wants to estimate the proportion of defective parts received from this supplier. She believes the proportion defective is no more than0.20and wants to be within0.02of the true proportion of defective parts with a 90% level of

About Is of the area is between or within z standard 2 = -2 42:2 2 two ~ two deviations of the mean
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The average height of males in the freshman class of a certain college has been 68.5 inches with a standard deviation of 2.7 inches. Is there reason to believe that there has been a change in the average height if a random sample of 50 males in the present freshman class has an average height of 69.7 inches? Use a 0.02 level of significance.

Suppose 59 percent of the customers at Pizza Palooza order a square of pizza. 76 percent order a soft drink , and 30 percent order both a square of pizza and a soft drink. Is ordering a soft drink independent of ordering a square of pizza?

As discussed in class when covering mega events, it is interesting to see that the number of countries bidding on the Olympics and viewership of the Olympics (TV, streaming, etc.) are headed _______, with ___________. Group of answer choices in the same direction, both increasing in different directions, Olympic bids increasing and viewership

encontrar la proyeccin del vector u = (4,5) sobre el vector v = (5,0) \f
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Utilice MS Excel o el de OpenStat para hacer la grfica de dispersin con los siguientes datos que persigue relacionar las unidades defectuosas de un medicamento con los miligramos del activo. Debes adjuntar el archivo en tu respuesta. X Miligramos Y Defectos 3 8 2 7 5 9 4 10 6 11

what kind of chemical reaction is K2SO4(aq) Ba(NO3)2(aq)-2KNO3(aq) BaSO4(s)

Question 10 (3 points) Q10. Compute the d24 element in the matrix, D, defined as follows: D = 8A - 6B. A = 8 4 -3 W 6 .6 8 10 10 2 B = 4 -7 -8 aaN aaa 10 O Your Answer:
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4.. Application of Integrals estion 4 of 10 10 Points Find the work, in foot-pounds, required if a chain weighing 12 pounds per foot pulls a 7,200 pound load of rocks from ground level up onto a dump truck that is 13 feet above the ground A. 94.614 ft-Ibs B. 93,600 ft-lbs Oc. 93.014 ft-Ibs OD. 94,600 ft-lbs Reset Selection
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Suppose the average commute time of your employees is unknown. The standard deviation of their commute time is estimated as 28.4 minutes. How many employees must be included in a sample to create a 99 percent confidence interval for the average commute time with a confidence interval width of no more than 20 minutes? Note that the correct answer

Let G1 = ({1, 2, 3, 4, 5), { {1, 2}, {2, 3}, {3, 4}, {3, 5}, {4, 5} }), G2 = ({a, b, c, d, e}, {{a, b}, {b, c}, {c, d}, {d, e}, (b, e} }). (a Draw G1 and G2. (b) Compute the degree sequence of G1 and G2. (c Prove that G] and G2 are not isomorphic
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Which of the following is true about the setup for a minimization problem? All s constraints become > constraints. It does not require the use of the 100% rule. It is similar to a maximization problem. It is significantly different from a maximization

You got into a car accident and settled out of court for equal payments of $3,500 at the end of each year for the next four years. If the annual interest rate stays constant at 9%, what is the value of these payments in today's dollars? Round your answer to the nearest whole dollar

That is, 9 45 285 47.5 45 285 2025 325 285 2025 15333 2438 Solve the above equations with the help of Gauss elimination method, we get
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https://www.coursehero.com/file/p5acf3b/5-5-5-5-y-x-5-5-5-5-y-x-3-9-x-y-Foundations-of-Mathematics-Pre-calculus-10-Unit/#/quiz Hi, so on this I was confused on what the y intercept would represent and what the description for rate of change would be.

EC[max exam score = 100]If you know that for a normal distribution, x = 70 is at the 45 th percentile & = 10, what's ?

Converting 18% into a proportion results in a value of ____________. Group of answer choices .18 1.8 18.00 .0018

Each of the following pairs represents the number of licensed drivers (X ) and the number of cars (Y ) for seven houses in my neighborhood: DRIVERS (X ) CARS (Y ) 5 4 5 3 2 2 2 2 3 2 1 1 2 2 Predict the number of cars for each of two new families with two and five drivers.

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