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Mathematics Questions and Answers March 22, 2023

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{C0 4) Twentytwo percent of US teens have heard of a fax machine You randomly select 12 US teens. Find the probability that the number of these selected teens that have heard of a fax machine is exactly six {first answer listed below]. Find the probability that the number is more than 8 l[second answer listed below}
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The mean for skinfold fat (hydrostatically determined) is 25% and the standard deviation is 10%. The coefcth of determination for skinfold fat and hydrostatically determined body fat is .91. Assume that the prediction equation for predicting hydrostatically determined percent fat from skinfolds is percent fat' = skinfolds X 0.5 + 2. 10. Calculate
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1.Use the spinner to find each theoretical probability \f
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[Concert Nation] Concert Nation, INC. is a nationwide promoter of rock concerts. The president of the company wants to develop a model to estimate the revenue of a major concert event at large venues {such as Ford Field, Madison Square Gardens) for planning marketing strategies. The company has collected revenue data of 34 recent large concert
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regular insulin 100 units 0.9% NS 100 ML Rate:20 ML\HR How many grams of dextrose are in the bag

What set of transformations are applied to parallelogram ABCD to create ABCD? Parallelogram formed by ordered pairs A at negative 4, 1, B at negative 3, 2, C at negative 1, 2, D at negative 2, 1. Second parallelogram transformed formed by ordered pairs A double prime at negative 4, negative 1, B double prime at negative 3, negative 2, C double

One weekend, there were 81 pizzas ordered for the sophomore dorm. That weekend 14 customers ordered their pizza with just pepperoni, 18 customers ordered their pizza with just sausage, 16 ordered theirs with just onions, 8 ordered theirs with pepperoni and sausage, 5 ordered theirs with sausage an d onions, 12 ordered theirs with pepperoni and

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Baseball The table below shows six Major League lifetime recora holders for batting. (Source: Information Please Almanac) Bacoball Numbarof Number ot times at bat home runs hit Number of at-bate per homo run Ty GODD M1,423 4,191 Billy Hamilton 15,224 2,163 Repers Hornsoy 8,137 2.930 Joe 4.581 19774 Tris Speaker 10.185 3,514 Ted WillEms 7.706 2,654

Use the continuous compound interest formula to find the indicated value. A=$19,116; P=$14,300; t=48 months; r= r=__% round to three decimal places as needed

Let the supply and demand functions for sugar be given by: p = S(q) = 1.4q 0.6 p = D(q) = 2q + 3.2 where p is the price of sugar and q is the quantity in thousands of pounds a. Find the equilibrium quantity and equilibrium price b. Find the price when 1,000 pounds of sugar are supplied c. Find the demand when the price is $1.50 per pound

You are playing a game in which a single die is rolled.Calculate your expected value for each game and then explain if the game is fair, (assume there is no cost to play the game). A. If an odd number comes up, you win the number of dollars showing on the die.If an even number comes up, you lose the number of dollars showing on the die. B. You are

These are collected quiz questions I have gotten in my math class so far since the semester started. We would get the quiz back with only the grades but not the answers. And I've been having a very hard time getting these right. However, I been studying and learning before I answered them now. I would so appreciate if you could help me with

A publisher for a promising new novel figures fixed costs (overhead, advances, promotion, copy editing, typesetting, and so on) at $65,000, and variable costs (printing, paper, binding, shipping) at $1.50 for each book produced. If the book is sold to distributors for $19 each, how many books must be produced and sold for the publisher to break

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1) Identify the correct statement among the options given below Select the correct option . Select one: a. Zero sum games are always competitive b. In a zero sum game, the payoffs to both players are always positive c. Non Zero sum games have higher payoffs than zero sum games d. Zero sum games do not have Nash Equilibria 2) identify the correct

The equal annual end-of-year deposits required to accumulate R20 000 at the end of five years given an interest rate of 4% are: 1. R3 347.10 2. R3 550.52 3. R3 692.54 4. R4 744.93

Let U denote the set of all employees at Universal Life Insurance Company, and let T ={ x U | x drinks tea} C ={ x U | x drinks coffee}. Describe each set in words. (a) T C The set of all employees at the Universal Life Insurance Company who drink tea and do not drink coffee. The set of all employees at the Universal Life Insurance Company who

Please help me find the answer to the question below Find the angle labeled 6. (Round your answer to one decimal place.) O 75 9
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Need help on my study guide cant figure out how to do the Maclaurin series of f(x)=ln(x^2+4), to find radius and convergence. not looking for just an answer i need the work shown out so I learn how to do it thanks!

24. Find the equation for a line which passes through the points (2, 6) and (4, -8). Write the equation in slope-intercept form . Show work. 25. A salesperson earns a base salary of $1,540 per month and a commission of 7.6% on the amount of sales made. If the salesperson has a paycheck of $4,819.40 for one month, what was the amount of sales for

1 1. For a proof by mathematical induction of For every natural number n 6, 2n > n2 + 1 the base case should be n = 10 points Question 2 1. A proof by induction of For every natural number n, n7 + 6n is a multiple of 7 could begin with o Base case: For n = 0, 07 + 6 * 0 = 0 which is a multiple of 7 What is the appropriate next step? Suppose that

What is the cos for this right angle triangle 4 cas
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how about this f(x) = y+20y+100 a Rational Equation, Rational Inequalities, Rational Functions, or None of these

how many permutations are there of the letters in the following words? Reconstruction Tallahassee

how about 5 fraction x+50 >_10 a Rational Equation, Rational Inequalities, Rational Functions, or None of these

1.) X has a normal distribution with the given mean and a standard deviation. Find the indicated probability. (Round your answer to four decimal places.) =92, = 15, find P ( 113 X 131 ) 2.) Find the probability that a normal variable takes on values within 0.6 standard deviations of its mean. (Round your decimal to four decimal places.) 3.)

esults of a Department of Education survey of SAT test scores in 22 states showed the following results. 11states had an average composite test score of at least 1000 during the past 3 yr. 16states had an increase of at least 10 points in the average composite score during the past 3 yr. 6states had both an average composite SAT score of at least

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What is a line? Multiple choice question. It is a set of points that we describe intuitively as being "straight" and extending indefinitely in both directions. It is any collection of points It is described as being "flat" like the top of a table, but extending indefinitely

A college charters a bus for $1300 to take a group of students to see a Broadway production. When 14 more students join the trip, the cost per student decreases by $17.50. How many students were in the original group? .......... students

Let f (x) = x + 5 and g(x) = x - 3. a) Find (f/g)(-1) . Show work. b)Find the domain of the quotient function f/g . Explain.

Find the remaining five trigonometic functions of ( LO I sin 0 = - , 0 in quadrant II Complete the following table. sin 0 = CSCO = COS 0 = sec O = tan 0 = cot U = (Simplify your answer, including any radicals. Use integers or fractions for
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Use graphical sensitivity analysis tn determine the range nf pruhahities nf state nf nature 31 fnr which each nf the decisinn alternatives has the largest expected value- Suppnse PIEI] = [1.2 and PESE} = [1.3. What is the best decisinn using the expected value apprnach? Perfnrrn sensitivity analysis on the payan fnr decisinn alternative D1- Assume
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8. Your partner's firm believed, before gathering data, that the true average amount spent on marketing is different than the amount reported by the Wall Street Journal (see #6 above). Is there enough evidence to find that the partner firm is correct? Show all the steps, formulas, and notation necessary to answer this question. (See #2 above if
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Application Q#5: 10 T2+2 2 o a) Solve the rational inequality by graphing with technology (i.e. using Desmos). Answer in set notation or interval notation. b) Show a rough sketch to justify your reasoning. Ensure your sketch shows the graph of the left side and right side. Shade the area that demonstrates your solution. (again, you can use Desmos,
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I need help I dont understand Chi Square at all Chi-square EXAM-STYLE QUESTIONS 1 300 people were interviewed and asked which genre of books they mostly read. The results are given below in a table of observed frequencies, classified by age. Genre Fiction Non-fiction Science fiction Totals 0-25 years 23 16 41 80 Age 26-50 years 38 130 51+ years 29
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Although appealing to more refined tastes, art as a collectible has not always performed so profitably. In 2010, Deutscher-Menzies sold Arkie under the Shower, a painting by renowned Australian painter Brett Whitely, at auction for $1,100,000. Unfortunately, the previous owner had purchased it three years earlier for $1,670,000. What was his

Consider the following symbol: What is the meaning of this symbol? a.) negation b.) conjunction c.) disjunction d.) conditional

Kelly has two boxes containing a total of three rings. The larger box has three rings in it, and the smaller box has one ring in it. If she has only three rings altogether, how is this possible?

The following work contains and error. Identify the error. -8(x-2)=24 -8x-16=24 -8x=8 x= -1

I 1985, the first US. Open Golf Championship was held. The winner's prize money was $150. In 2020, the winner's check was $2.2 million. What was the annual percentage increase in the winner's check over this period? If the winner's prize increases at the same rate, what will it be in 2050?

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A person coughs when a foreign object is in the windpipe. The velocity of the cough depends on the size of the object. Suppose a person has a windpipe with a 26 -mm radius. If a foreign object has a radius r, in millimeters, then the velocity V, in millimeters/second, needed to remove the object by a cough is given by the following equation, where

This is a question about brownian motions. Thanks for any help! Problem 1. (10 points) Consider two independent Brownian motions Bt and Wt. (a) (5p) What is the distribution of 1%: for t = 1? (b) (5p) What stochastic differential equation is satised by %
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Which of the following best describes compound interest? Future interest earned on: Group of answer choices original principal only. reinvested interest only. both original principal and reinvested interest

At which points are the tangents drawn \f
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3.1 Homework 9/30/17, 5:14 AM WebAssign 3.1 Homework (Homework) Current Score : - / 29 jarallah almarri MAT 265, section 72204, Fall 2017 Instructor: Sergey Nikitin Due : Saturday, September 30 2017 11:59 PM MST 1. -/6 pointsSEssCalcET2 3.1.001. (a) Write an equation that defines the exponential function with base a > 0. f(x) = aex f(x) = xa f(x)

The following table contains data on the number of years of service of a SRS of 26 NY State Troopers. Years of ServiceFreq,f 6-7 3 8-9 10 10-11 6 12-13 6 14-15 1 Find the mean of the frequency distribution with classes. Round your answer to the nearest tenth.

10. Tenek, a leading pharm aceuele al comp ing, cumemily has a bri rice shoes that to a follows: Aren 51.000 Fixed AHUG 51,700 50.000 51,000 The firm's income ad hemant looka s' follows 51000 Cut of Goods Sold (COGs) 5400 Depreciation 5100 EEIT 5100 EBT 5400 The first's bonds in all twenty-poor beads with A ed coupon was of lose that are selling
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Let v = - 3i + 5j, and w= -i - 8j. Find 9w + 8v. 9w + 8V = (Type your answer in terms of i and j.)
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Blank buys merchandise with a list price of $12400. Use the complement method to find the net price if the wholesaler offers trade discounts of 15/20/5. (Round to the nearest penny)

Two tugboats that are a = 115 ft apart pull a barge, as shown. If the length of one cable is b = 208 ft and the length of the other is c = 240 ft, find the angle formed by the two cables. (Round your answer to the nearest degree.) \f
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Mrs. McTavish wants to establish an annual $5000 Scholarship in memory of her husband. The first scholarship is to be awarded two years from now. If the funds can earn 6.25% compounded annually, what amount must Mrs. McTavish pay now to sustain the scholarship in perpetuity?

The distance (in feet) of an object from a point is given bys(t) = t^2, where time t is in seconds. (a) What is the average velocity of the object between t = 9 and t = 11? (b) By using smaller and smaller intervals around 9, estimate the instantaneous velocity at time t = 9 Round your answer to the nearest integer.

I have this DE : 4" ty = 1 - H (T - b ) With y (0 ) = 4'10 ) = 0 and I get y(T ) = 1 9 y (S ) 3 = 1 - GOST - HIT- 6) [ 1- cos(T-bj ] then how can I show for tob, the corresponding y(T ) can be written as y(T ) = Asin (T - 8 ), that is, the SHM, and what is the amptitude A and the phases
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In 2017the population of Rexburg, Idaho was 28,337 people.The population was expected to grow at a rate of about 1.18% per year.Based on these numbers, what would we predict the population of Rexburg will be in the year 2021?

Use the formula for the sum of a geometric sequence to write the following sum in closed form. 7+7 2 +7 3 ++7 n , where n is any integer with n 1.

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Convert 12 pounds to ounces. (Enter an exact number.)

Tell whether each statement is true or false. Explain your reasoning. (a) 70 is a factor of 5

Overview: PLEASE USE MEXICO FOR ASSIGNMENT You and some of your friends want to travel to another country to provide aid in the form of a mission trip. You have been chosen as the team leader, and your job is to provide a plan for the trip, including a financial plan. This is a big job, and you want to do it right, so you and your team have agreed

AutoSave On 12 . 123 Hamilton, Nathaniel HN X W Cal 3 hw questions . Saved v Search Insert Layout References Mailings Review View Help Comments Editing Share File Home Draw Design Find * Aptos (Body) 12 0 Normal No Spacing Heading c Replace Dictate Editor Add-ins Paste BIU-XX A LA . Select Editing Voice Editor Add-ins Clipboard Font Paragraph
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challenge activity 2.4.2: Numeric types: Floating-point. 571604.4194510.qx3zqy7 Jump to level 1 The volume of a sphere is given by sphere_vol=4.03.0sphere_radius3. Read sphere_radius from input as a float. Then, compute sphere_vol using the formula. Ex: If the input is 2.60, then the output is: 73.62 Note: Use math.pi for . sphere_radius3 can be

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1. (Sets of (0, 1)-vectors). Find integer programming formulations for the following integer sets. 0 . 1 (a) The set of all (0, 1)-vectors in R* except 1 0 0 0 1 1 1 1 | I 1 0 1 (b) The set of all (0, 1)-vectors in R" except 0 Cl L 1 1 1 1 0 1 (c) The set of all (0, 1) E-vectors in R" except all the vectors having exactly two 1s in the first 3
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exercises 14-15, for the given rational function f: Find the domain of f. I dentify any vertical asymptotes of the graph of y = f(x). I dentify any holes in the graph. Find the horizontal asymptote, if it exists. Find the slant asymptote, if it exists. Graph the function. 14) f (x)= x+2 15) f (x)= x2-2x- 3 x- 2
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Question 39 (1 point) Is Regardless ot your answer to the previous question, suppose the inspectors ot the previous question tailed to reject H0{\"vetsion\":"1.1","math":"H_0"}. Which of the following statements best expresses the conclusion of their test? Question 39 options: t... There is sufcient evidence to conclude that orifices of different
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2. Ahiti's Consulting purchased $400 of supplies. No cash was paid for the supplies, but Ahiti's Consulting agreed to pay cash within the next 30 days. By addition and subtraction, show the effects of the transaction on Abiti's Consulting, Inc's resources and sources of resources. Total Total Resources Sources of Resources 5 + $400 at m 5
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| . . or ABC's eperaene after the h: [an '4 '4 '4 '4 '4 m 7'5 the fact that the enlyr needed
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3) If a firm borrows $50 million for one year at an interest rate of 10 percent, what is the present value of the interest tax shield? Assume a 30 percent marginal corporate tax rate. $1.36 million PV of interest tax shield = ((0.3) (50) (0.1))/1.1 = $1.364
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Where does the series n=0 (z+1)n 2n converge absolutely

If we invest $11000 at 6% compounded monthly, how much will we have saved in 8 years? Answer: $_____________

If some Members of Parliament are elected from geographical constituencies while other Members are selected from lists, this type of voting system is referred to as: Question 22 options: e. A mixed member proportional system d. A ranked vote system c. A parliamentary list system a. A proportional parliamentary system b. A hybrid parliamentary

Translate to a percent equation or percent proportion and then solve to find the unknown number. What percent of 40 is 0.8

Create your own scavenger hunt involving multiplication and division or rational numbers. Include fractions, mixed numbers, and decimals. Your scavenger hunt should ultimately reveal a hidden message. Your scavenger hunt must include a minimum of 15 problems as well as a key in which you show your work.

Find the present value of the future amount. Assume 365 days in a year. Round to the nearest cent. $27,000 for 119 days; money earns 3%

5. A ten-year loan of 10000 at 8% annual effective interest can be repaid using any of the four following methods: |. Amortization method, with annual payments at the end of each yea r. II. Paying the 8% annual effective interest on the loan at the end of each year. In addition, make equal size annual deposits at the end of each year into a
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studying for test. Thank you. This is Bessel's integral form, some consequences of the integral forms. \f
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Q #17 Can you explain and show the work for system of equations using elimination by addition, substitution, or augmented matrix methods (your choice). for 4????+3????=7 3????2????=18 Thanks

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Please answer to the two question in the attachment file .... Evaluate the function x) at the given numbers {correct to six decimal places}. 12-53: xlan'ixs' x - n, o.5, 9.9, u.95, o.99, [1I.999r 2, 1.5, 1.1, 1.t]1r 1.091 110) ' us} - 1199} :- u.95) a] lli 11999) =| fit0.999) -| 112} -I 1115} -| 1.1} ..| Lm) -l 11- 1.001) - Guess the value of the
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Calculate the weight cf putassinrn permangmate [W4] needed to prepare ED IDL efa DJEIl M solution. Write your answer in the space helnw and in the space presided on page 19 cf the Lab Procedures. Weight uf potassium permanganate {Kb-[nth] needed =
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Use a table to find all of the solutions of x23x+8=0. Multiple select question. A) 8 B) 4.702 C) 1.702 D) 1.702 E) 4.702 F) 8

Find the maximum rate of change of f at the given point and the direction in which it occurs. f ( x , y ) =5sin( xy ),(0,3) direction of maximum rate of change (in unit vector) = maximum rate of change =

Please help me solve these . And please show steps on how to solve all these. Thank you so much \f\f
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22 A ship leaves port on a bearing of 42.0 north of east and travels 13.3 mi. The ship then turns due east and travels 4.8 mi. How far is the ship fromport, and what is its bearing fromport? The ship is ____ miles from the port. (Do not round until the final answer. Then round to the nearest tenth asneeded.)

The Royal Seas Company runs a three-night cruise to the Caribbean from Port ICanaveral. The company wants to run TV ads promoting its cruises to high-income men, high- income women, and retirees. The company has decided to consider airing ads during prime time, afternoon soap operas, and during the evening news. The number of exposures (in
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Perform the conversion. Round to the nearest tenth. 440 milliliters to quarts

Find points of inflection and discuss concavity for f(x)=x(x-4)3+k. k=4

For the following graph of a function, write the domain and range in interval notation. 6, UI- 6 1-6 6 (- 5 . - 6 ) IF
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Why might it be valuable for a non-mathematician, non-engineer to have an appreciation and/or a working understanding of higher level mathematics, even if the computations will not be part of their daily routine. Also why might there be intrinsic value in obtaining knowledge outside of one's chosen field of expertise? please explain in detail

47. Height of a Building From a window 30.0 ft above the street, the angle of elevation to the top of the building across the street is 50.0 and the angle of depression to the base of this build- 50.00 ing is 20.0. Find the height of the AMin 20.0 building across the street. 30.0 ft
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studying for test. Thank you. This is Bessel's integral form, some consequences of the integral forms. \f\f\f
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Find the exact value in radians or state that it is undefined. In the latter case, enter "DNE". cos1(1/2)

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