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Mathematics Questions and Answers September 28, 2021

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Questions 1H3. A can of soda in 19?2 costs $0.10, by 2012 it cost $1.25. 4. Find the rate at which the cost of a can of soda increases over this time period. [round to the hundred thousandths place] 5. Construct a linear model that can be used to predict the cost of soda. [round to the hundred thousandths pEace} . Use your linear model to predict
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Suppose there are exactly 95,389 students that have graduated from VCU since 2000. Contacting all 95,389 students is not possible, and hence a simple random sample of 7 students will be selected. Explain how the 95,389 students in the population should be labelled so that a simple random sample of 7 graduates would be selected. Use the line of

Can you please resolve exercises from 29 to 34. I will appreciate it *+3 y - 2 y+2 In exercises 29-34, solve the equation and check the solution. 2.x 3-x 29. 3 30. 2 12 X- 1 x-1 X-2 x-3 31. x - 2 x+4 x3 + 2x - 8 13 3 2-x+1 32. 2 x- 3 2 -4x+3 33. 13x2+ 26x - 62 x-2 7 (x - 2) (x+4) 34. X-1 x+2 x3+x-2
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You run a local painting business. To make it easier to provide estimates to your potential customers, you want to create a program that will calculate and display the following information: The number of litres of paint required. The hours of labour required. The cost of the paint. The cost of the labour. To create your estimate, you need the

This question is about the Riemann sum equation and concept. a) What is the Riemann sum equation (provide the equation itself) and what is it used for? b) Explain all the parts of the Riemann sum equation and how they contribute to its function.

35..A child receives a prescription for ibuprofen 200 MG by mouth every eight hours as needed for a fever. The bottle is labeled "Ibuprofen for oral suspension, USP 100 MG per 5 ML." how many teaspoons should the nurse instruct the parent to administer with each dose?

Hans is playing a game of chance in which he tosses a dart into a rotating dartboard with8 equal-sized slices numbered1through 8. The dart lands on a numbered slice at random. This game is this: Hans tosses the dart once. He wins$1 if the dart lands in slice1,$3if the dart lands in slice2, $5if the dart lands in slice 3, $8if the dart lands in

(d) Determine if a linear relation exists between height and head circumference. (Note that the linear correlation coefficient between the height and head circumference of a child is requals0.931.) Find the critical value. The critical value is enter your response here. (Round to three decimal places as needed.)

A manufacturing company has to produce and sell 227 items every month to break even. The company's fixed costs are $2,286.50 per month and variable costs are $11.00 per item. a. What is the total revenue at the break-even point? Round to the nearest cent b. What is the selling price per item? Round to the nearest cent

1) Determine the appropraite design of units of measurement to convertAyears to hours(neglectingleapyears). Type out each conversion factor with full labels to convertA years --> # Days --> # hours Example to go from yards to inchesA yards/1(3ft/1yd)(12in/1ft)= Set up ONLY, DO NOT Have to calculate. A yrs/1 x (365 days/1 yr)x(24 hrs/1 day) A years

A variable that can take on an infinite number of values is known as: Continuous Discrete Quantitative Ratio

For the following exercises, use the graphs to write an equation for the function. J' SECTION 5.6 SECTION EXERCISES
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Encuentre la expresin lgica de salida de cada una de las compuertas hasta llegar a obtener la expresin final.Adjuntar una captura de pantalla de la simulacin en Proteus del siguiente circuito y hallar la funcin lgica de salida

interpret: The minimum for the number of burglaries per capita is .00 and the maximum is 794.91. 794.91 is the range and the standard deviation is 128.50705. When examining the normality for the variable, the number of burglaries per capita, the data is positively skewed. The mean is 91.5996 and the median value is 68.5683. Knowing the mean and

The beam in the figure is weightless. A movable weight of 350 lbm is to be attached as shown. The load X is 1,325 lbf. Determine the location x of the weight so that the vertical reactions at A and B are equal. gL = 32.1740 fts2 . (Round the final answer to four decimal places.)

Evaluate each expression using the values given in the table. X - 3 -2 O 2 3 f(x) 7 6 4 3 2 1 g(x) -7 -2 O - 2 - 7 a. (f o g)(1) b. (fog)(2) c. (g o f)(2) d. (g o f)(3) e. (go g)(1) f. (f of)(3) a. (f o g)(1) =
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Find all local minima and maximal for the following function . f (x,y) = 4 x ^2-4 xy +2y^2+10x-6y

In the diagram, triangle JKL is congruent to triangle QRS.Find the value of x. \f
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use Similar triangles to Solve the problem. A flagpole casts a Shadow Of 28 ft, nearby , a lo-it tree casts a Shadow OP 4 ft what is the height of the flag pole? a. 1.4 Rt b. 11.2 Pt C. 70 ff D. 1120 ft
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SPRECALC7 3.T.005. MY NOTES ASK YOUR TEACHER (a) Use synthetic division to find the quotient and remainder when x 4 9 x 2 +3 x +4 is divided by x 3. quotient Q ( x )=remainder R ( x )= (b) Use long division to find the quotient and remainder when2 x 5 + 4 x 4 x 3 x 2 +9 is divided by2 x 2 1. quotient Q ( x )=remainder R ( x )=

Suppose car prices rise at a 3.35% annual rate for the next 19 years. If a car costs $19,000 today, how much will the car cost 19 years from now?

please help work for answer 2. Find the equation of the tangent line to the curve y = sina cost at r = -. . (Your coefficients must be exact, not approximations.) 3. Find the higher derivative d2017 dr2017 (2 cost) by finding the first eight derivatives and ob- serving the pattern that occurs
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Construct a probability modelrepresenting the number of headsforflipping 4 fair sided coins.

Find the largest open interval where the function is changing as requested. Increasing f(x) = (1/x2 + 1) Group of answer choices (0, ) (-, 0) (1, ) (-, 1)

Match the expressions! Although most dieters initially lose a few Choose... pounds,.. Human workers can detect malfunctions in machinery; Choose... similarly. In winter, the sun is lower in the sky, Choose... His patient in diplomacy: Choose... Community colleges offer preparation for Choose... many jobs,... Millions of people go on diets every

Calc Hw Question Given the following iterated integral 6 NIW dx dz dy Find: a and b c and d g(x,y) and h(x,y) Rewrite the integral above as for new integral h(x, y) dz dx dy Ja J g(x, y)
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Can someone please help me figure out how to compare my observed value to the mean?? I know how to compare my observed to my p(alpha) but the answers for these questions want me to compare the observed to the mean? The mean is 100 so I don't understand how to get the answer? Like how on the one question is the Step 6 of hypothesis testing is where
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Complete b-1 Return to question 14 From her firm's computer telephone log, an executive found that the mean length of 64 telephone calls during July was 4.48 minutes with a standard deviation of 5.87 minutes. She vowed to make an effort to reduce the length of calls. The August phone log showed 48 telephone calls whose mean was 2.396 minutes with
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Its 4 questions Question 4 (Essay Worth 10 points) (04.03 MC) Find the area of the following shape. You must show all work to receive credit. -5 - 3 -2 X 3 4 5 - 2 -3/ X D B Q % Source V C BIUS XX IX 1 : | | 9 3 3 3 Styles Format Font Size - AA - ?7:05 PM Mon Feb 6 2% orange.flvs.net a AA Q Randolph is creating rectangle Orange County Virtual
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If f(x) has odd degree and negative leading coefficient, as x goes to -oo, then f(x) would go to? Select one: a. -00 b. 0 (2.1 (1.00 e. None of these
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help and show work please (1 point) Another model for a growth function for a limited population is given by the Gompertz function, which is a solution of the differential equation = c]n()P dt P where c is a constant and K is the carrying capacity. (a) Solve this differential equation for c = 0.25, K = 5000, and initial population P0 = 400. P(t) =
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1. Find a function p(x) that could be represented by the following graph. Leave your function in factored form.2. Let / ( x) = 3x' -5x+2. a. What can you say about x-1 with respect to f (x)? b. What does / (1) equal? c. Where does the point (1, f (1) ) lie on the graph of / (x) ? d. What are the zeros of / (x) ? e. What are the x-intercepts of /
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Nneed help with this hw question The height, h, in centimeters, of a piston moving up and down in an engine cylinder can be modeled by the function y=3sin5 - 8, where t is the time, in seconds. What is the period? What is the amplitude

The gas tank of a 2012 Toyota Prius holds 11.9 gallons. How many pounds of carbon dioxide are produced by burning an entire tank of gas? Express your answer rounded to the nearest tenth of a pound.

Cul de los sistemas siguientes es un sistema lineal? 3x + 0.5y = 6 y= -x + 1 3x + 0.5y = 6 log(y)= -x + 1 (3x + 0.5y) 2 = 6 y= -x +1 3x + 0.5y = 6/x y = -x + 1 Cul de los sistemas siguientes es un sistema lineal? 3x + 0.5y = 6 y= -x + 1 3x + 0.5y = 6 log(y)= -x + 1 (3x + 0.5y) 2 = 6 y= -x +1 3x + 0.5y = 6/x y = -x + 1

ADVANCE MAtH: Exercise on Euler DE Instructions Do not round off your final answer. Express your answer in full decimals (10 digits or as seen in your scientific calculator). Solve the differentialequation x 2 y" - 5xy' + 9y = 0, y(1) = 12, y'(1) = 3 .Then evaluate the particular solution at x = 1.7.

04 Question 4 10 Points Decide whether each of the following statements is TRUE or FALSE. Box your choice. If true, prove it. If false, give a counterexample. (a) (5 points) Let v1, . . . , \"n be a basis of the vector space V and let U be a subspace of V. Then there exists a basis of U consisting only of some {possibly none) of the vectors 'Ul, .
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The trend of dots of a scatter plot for a Pearson's r of -.79 will be: from lower middle to upper middleof thescatterplot from lower rightto upper left of thescatterplot distributedsomewhatrandomlywiththegreatest density being in the middle of thescatterplot from lower left to upper right of the scatterplot

answers only no explanation please Name enVision Florida 7-3 Additional Practice SavvasRealize.com Proving Triangles Similar For Exercises 1-4, if the two triangles are similar, state why they are similar. If not. state that they are not similar. 1. 2. 15 26 26 30 3. A 4. 5 14 10 28 For Exercises 5 and 6, use the triangles shown. 5. What is FE? 20
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Consider these sequences, for integers y and z > 0. yo= -4 y1 = -28 yz = 12 * Yz-1 - 16 yz-2 Prove: yz = 3 * 22 - 5 * 421
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Consider the system Ax : b, wherein A : (a 3 i) and b : (i). (The same as in the previous probiem.) The solutions of the corresponding homogeneous system can be described as span({v}) for what vector v? Select ail correct answers. Seiect one or more: C] 1
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A friend has given you leftover landscaping bricks. You decide to make a garden bed and surround it with the bricks. There are 108 bricks, and each brick is 6 inches long. You would like the garden bed to be slightly more than twice as long as it is wide, as shown in the diagram below. You have also given yourself a budget of $225 for additional
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Find the answer est: Final Exam - MATH125 X + C ccbcmd-bb.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_503733_1&course_id=_362115_1&content_id=_10004460 Remaining Time: 1 hour, 20 minutes, 33 seconds. Question Completion Status: QUESTION 3 Sally categorized her spending for this month. The percentages she spent in each
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SOLVE PLEASE Question L 2 [6 Marks] Economists theorize that the 20072008 recession has affected men more than women because men are typically employed in industries that have been hit hardest by the recession, such as manufacturing and construction. Women, on the other hand, are typically employed in services such as health care and education,
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2. Write a two-column proof. Given:
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The probability distribution of the random variable X represents the number of hits a baseball player obtained in a game for the 2012 baseball season. X 0 2 3 4 5 P(x) 0.1671 0.3363 0.2815 0.1489 0.0370 0.0292 The probability distribution was used along with statistical software to simulate 25 repetitions of the experiment (25 games). The number

in an office building 72 offices are being rented. this represents 60% of the total building. how many offices are there in the building

Relaciona los temas que regula un reglamento de acuerdo con las reglas de clase 1. Rendimiento escolar 2. Conducta 3. Convivencia 4. Salud a. Mantengo limpio y ordenado mi lugar. b. Cumplo con mis trabajos y tarea en tiempo y forma. c. Respeto a mis compaeros y maestro. d. Levanto la mano y espero mi turno para hablar. A. 1a, 2b,3d,4c B.

The test statistic for the hypothesis test is: (please round to two decimal places) The p-value for the hypothesis test is: (please round to four decimal places) Interpret the result of the hypothesis test in the context of the study
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Graph the function, not by plotting points, but by starting from the graph of y = * in the figure below. y=e"244 o) Q v State the domain and range. (Enter your answers using interval notation.) domain '(O0,00) ' cllcPad v range ' ' E] Operations X Functions ) (2] | s Relations c Sets = W State the asymptote. [ 1
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90 0 -2 POINTS LARAPCALC10 2 8.014. MY NOTES ASK YOUR TLACHIE The profit Pfrom selling a units of a product is plen by Po Bear - 0.2:. The sales are Increasing at a rate of 7 units per day, Fled the rate of change of the profit [in dollar per day) when * = 100 units and a = god units, (01 300 aries per day per day -POINTS LARAPCALCIO 1.1.024. MT
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Letter Percentage Letter Grade Grade Percentage A 93-100 C+ 77-79.99 A- 90-92.99 C 73-76.99 Class Average Letter Grade B+ 87-89.99 C- 70-72.99 Unit 1 7 83-86.99 D+ 67-69.99 B- 80-82.99 D 60-66.99 Show your work here: (5 points)
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In each reaction box, select the best reagent and conditions from each list. Macmillan Learning 1. reagent 1 2. reagent 2 O 3. reagent 3 Br Select reagent 1: Select reagent 2: O Br2, FeBr3 Incorrect Answer CI and AlCl, Incorrect Answer Select reagent 3: CH, CH, Cl, AlCI, Incorrect Answer\f\f\f
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9 . Interpret the meaning of the slope of the trend line . 10 . What is the linear correlation coefficient ?" ( round to the ten thousandths place !" 1 1 . Should WE USE this model to predict [FI for 2030 ?' Why or Why not ?"
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ef bookstore needs to buy bookshelves for its new branch bookshelf a costs php4 in thousands per unit while bookshelf b cost php 6 in thousands per unit the bookstore financed 100000 pesos for the purchase of bookshelf the new bookstore has no room for 62 square feet of bookshelves bookshelf a requires 2 square feet of space while bookshelf b

. The data below shows the number of raisins in each of 14 boxes (1/2 o0z.) of three different brands of raisins: (8 points) Sun Tyrant: 25, 28, 25, 28, 29, 24, 28, 24, 24, 28, 30, 24, 22, 27 Sun Acrid: 29, 31, 29, 26, 28, 22, 25, 29, 29, 27, 28, 23, 26, 29 Laminatekist: 25, 26, 26, 26, 26, 28, 27, 26, 25, 28, 24, 28, 27, 25 . Compute the median,
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if the sum of six consecutive add integers is 432, what is the smallest of the six integers

Use the four step method in problem solving to solve the problem city a had an elevation of 3168 feet above sea level while city b has an elevation of 52 feet below sea level. How much higher is city a than city b? a. 3220 feet b. 3320 feet c. -3116 feet d -3016 feet

Money is borrowed at 13% simple interest. After oneyear, $937.90 pays off the loan. How much was originallyborrowed? The amount of the original loan was $

what are the intervals of increase and decrease for the function f(x)=x^3

If sample data consist of weights measured in grams, then correctly complete the following sentences. a. The unit for sample standard deviation would be g squared . g cubed . StartRoot g EndRoot . g. b. The unit for population standard deviation would be g. StartRoot g EndRoot . g cubed . g squared . c. The unit for sample variance would be g

The following data includes the year, make, model, mileage (in thousands of miles) and asking price (in US dollars) for each of 13 used Honda Odyssey minivans. The data was collected from the Web site of theSeattle P-Ion April 25, 2005. yearmakemodelmileageprice 2004HondaOdyssey EXL20269002004HondaOdyssey

Theodora and Attendants, found on one side of the apse in the Church of San Vitale, is a fresco. Theodora and Attendants Theodora and Attendants, found on one side of the apse in the Church of San Vitale, is a fresco. True False

You have been provided with following information for area (x) and rent (y): (1) Mean of x = 240; (2) Standard deviation of x = 16; (3) Mean of y = 200; (1) Standard deviation of y = 15; and (5) Correlation coefficient = 0.96 Describe the methodology you would use to find and apply the linear regression equation Possible steps. 1.?? 2.?? 3.?? 4.??

no missing data, please explain it Let g(t) be a continuous function on the interval 0, 7 . Determine: lim g(t) sin(nt) dt. n-to Jo
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Approximate the area under the graph of f(x) over the specified interval by dividing the interval into the indicated number of subintervals and using the left endpoint of each subinterval. f(x)=x^3+x^2+1; interval [0, 4]; 4 subintervals A. 54 B. 134 C. 52 D. 135

10) A pure sample of the amino acid S-proline has a specific rotation of - 80.0 degrees. a) What would be the value of the specific rotation of the R enantiomer? (1 point) b) A mixture of the two enantiomers has a sample rotation of -72.0 degrees. i) What is the enantiomeric excess of the mixture? li) What are the percentages of the two
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Please help with this question Frank bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $200 less than the desktop. He paid for the computers using two different financing plans. For the desktop the interest rate was 8% per year, and for the laptop it was 6.5% per year. The total finance charges for one year
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Find the amount A in an account after t years given the following conditions. dA/dt=0.04A; A(0)=3000

The distribution of diastolic blood pressure for the population of female diabetics between the ages of 30 and 34 is normally distributed with mean 74.4 mm Hg and standard deviation 9.1 mm Hg. 1.What proportion of diabetic females have diastolic blood pressure between 68- and 80-mm Hg? 2Would you be surprised if a randomly selected diabetic female

A. NOMINAL, PERIODIC AND EFFECTIVES RATES 01. Find the effective rate corresponding to the rate 7%, converted A) annually; B) semiannually; C) quarterly and D) monthly. 02. Find the effective rate if the nominal rate is 5%, compounded A) annually; B) semiannually; C) quarterly and D) monthly. 03. Which yields more interest, {3%, m = 4} or {3%,

If the mean weight of all students in a class is 165pounds with a variance of 234.09square pounds, what is the z-value associated with a student whose weight is 140 pounds?

The birth weight of newborn babes (measured by O'Cathain et al, 2002 n = 3226) is approximately normally distributed with a mean of 3.39kg and standard deviation of 0.55kg. Rounded to three decimals, Find the probability that a baby is born weighs less than or equal to 2.5 kg
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I want to have 325000.00$ available in 6 years, how much do I need to invest now in a CD paying 4.15% interest compounded monthly

Explain the concept of a Confidence Interval Estimate of the Proportion. Include a) Discuss what impact changing the sample size has on the calculation of the CIE holding all other variables constant. (Discuss how the CIE will change as the sample size "n" changes. Include why the change occurs.) b) Discuss how the confidence interval estimate

You are filling a bookcase with books. The bookcase is 3 feet wide. Your hardcover books are 1 inches wide and your paperback books are inches wide. If you have already placed 8 hardcover books on the shelf, what is the maximum number of paperback books you can also fit on the shelf?

There are many parties who are impacted by tariffs on imported goods: . American factory workers . Importers in the U.S. . Typical consumers . Workers in "discretionary spending" jobs, like restaurants, movie theaters Famars
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Best Practice Was the Best Page # Report what your KINE Prof wrote Practice found in your KINE Prof's article? Yes No 1. Was the purpose clearly stated? 2. Was a research hypothesis (H1) clearly stated? 3. Was information detailing the statistical methods employed? 4. Was there a clear statement regarding missing data? 5. If yes to 4, was there a
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You are a storm chaser who needs to have your team and equipment in place at the onset of the storm season. In order to be able to observe as many storms as possible, you assess the areas with the highest possibility of storms. What kind of data would be helpful in populating a data system?

Exercise 6. Consider It n , the vector space over Q consisting of polynomials with rational coefficients , and having degree at most ~. Show that the polynomials PR ( t ) - the- k ( 1 - 6 ) k, for K - O. .... ~, form a basis of Q | tin
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Please answer all parts of the question. Show all of your work and explain each step with details. Thank you! \f\f
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Find theconsumer's surplus for the following demand curve at the given sales level x. \f
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5. Determine the minimum total ooding design quantity of Carbon Dioxide agent required for a room containing Acetylene that is 15 ft. long, 15 ft. wide, and 12 ft. in height. The structure has a 5 sq. ft. opening whose center is 5 ft. below the ceiling of the enclosure. The temperature for the enclosure is 210F. (3 pts)
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The units digit is eight times the tens digit of a two-digit number. The original number minus the number formed when the digits are reversed is -63. What is the original number?

Help solving Don't Ruffle the Bird's Feathers Directions: Complete the chart below. When you solve the two missing problems for each row, place the correct answers next to the letters. Then write the letters above the answers in the blanks below. The resulting words will be the completion of the rhyme. Fraction Decimal Percent 1. I 007 L 2. 2/3 A
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3. 'H NMR data of Imine chemical shift multiplicity coupling (8) constant(s) integration assignment
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For each of the following, set up the integral of an arbitrary function f(x, y) over the region in whichever of rectangular or polar coordinates is most appropriate. (Use t for 0 in your expressions.) (a) The region 5 (2,sqrt(3)2) - - -110 -1 With a = b =[ } c= and d = integral = fa fa (b) The region -110 -1 -1 With a = b = c= )and d = integral =
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3 - 102 Evaluate the expression and write your answer in the form a + bi. a = 17 -4+ 8i 20 and b =
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ABCD is a rectangle. AC = 5x + 2 and BD = x + 22, find the length of AC. PART A ABCD is a rectangle. AC = 5x + 2 and BD = x + 22, find the length of AC. A B D C AC =
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Logarithmic Properties 26) In ( 78 . list ) in expanded Form 27 10g , ( x ) + 109 , (5) + 109, ( 4)+ 109 (13) in Compact form 28 109 m ( 67 8: 3 in expanded form 29 In ( x ) - ( m ( x ) - In ( y ) "1 30
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If a model rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then its height, h, after t seconds is given by the function f (t) = -16t + 128t (ignoring air resistance). Graph the function and answer the following questions based on the model
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Use a truth table to show that (P Q)(P R) P (QR).

the population of a city follows the exponential law. if the population doubled in size over 28 months and the current population is 40,000, what will the population be 2 years from now?

help I have no idea where to start for this. I am conducting a research study.I have two populations. Sample population 1 is a control group. Sample population 2 has received the intervention. The question is, how do I determine if there is a relationship between the two populations using the data sets below: Sample from Population 1: 33, 29, 35,

You are trying to increase the amount of time a person spends jogging. Which measurement procedure would be the best to use? A) Partial-interval recording B) Whole-interval recording C) Momentary time sampling D) Frequency recording

De las siguientes opciones, seleccione aquellas que hacen referencia a los elementos paralingsticos del lenguaje no verbal: a) Posturas b) Risa c) Gestos d) Silencios e) Bostezos Pregunta 3Respuesta a. b, a, e b. b, d, e c. b, c, e d. a, b, c

Please check work on 9 and 10. Thank you. determine if the following series are converge absolutely or converge conditionally or diverge III. n BoBo convergent 4 +2 IV. V. 502+6 ) convergent Determine if the following series (A) converge absolutely, (B) converge conditionally or (C) diverge. An(-1)" BOBO 2 3n3 + 2n+1 4 n ( - 1 ) " Diverges 3n 20 +
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Question 11 (9 points) What does the # of Plays column represent in Table 2? TABLE 1 TABLE 2 Artist Song # of Plays Artist # of Plays Coldplay A Sky Full of Slam 2351 Coldplay Arcade Fire Wake Up 147 Pped Malone Luke Combe Beautiful Crazy 502 Lady Gaga Piano Man Ally Joal 188 Louis Armstrong Coldplay Clocks 1240 Luke Combs Mamia Smith Crazy Blues
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Choose the best answer. If the p-value is less than in a two-tail test, i.e., p-value < , then: a. the null hypothesis should be rejected. b. the null hypothesis should not be rejected. c. a one-tail test should be used. d. no conclusion should be reached

suppose that an anxiety scale is expressed as t scores, so mean is 50 and sd is 10. after an earthquake hits a town, a random sample of the townspeople yields the following anxiety scores: 72,59,54,56,48,52,57,51,64,67. Test the null hypothesis that the earthquake did not affect the level of anxiety in that town *use alpha =.05). Report your P

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