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Mathematics Questions and Answers March 20, 2023

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l. A com pany manufactures and markets automobiles in two different countries. We want to know if the gas mileage is the same for vehicles from both facilities. There are samples of 45 units from each facility
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Using the following narrative, create general system flow chart. When a patient arrives at the clinic the patient first sees the receptionist, who checks to see if the patient was seen before. If so, the receptionist pulls the medical record from the file. If the patient is new, the receptionist has the patient complete the necessary forms and

2. Historl,r exam scores are Normal with a Mean of 120 and a Standard Deviation of 30; that is M120. 30]. Boris's score is 1&03 and Eiela's score is 114.5. Find the percentage of the students who had scores greater than Bela and less than Boris. Your nal answer should be correct to 4 places after the decimal point. 3(Boris} = {1au.a-12u] I so
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I am hoping I can get some help with this.... This part goes in the box... for each exponential function, a) help write some new function, and b) sketch the corresponding graph (on the same coordinate plane) based on the description of the transformation, this part goes in the box. Then use the function and corresponding graph to answer the
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39. The probability that a given computer chip will fail is 0.02. Find the probability that of 5 delivered chips, exactly 2 will fail. A. .9039 B. .0922 Q .0038 D. .0000
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A furniture store said a bed regularly.r priced fer $990.!Jfm $?E.. The bed was curiginalh.F purchased fur s less 40%. The stere's everheacl is 25% cf the regular selling price. Calculate the c-perating profit er less at the sale price. Reu ncl te nearest 1mm
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4) Constmct a histogram of your data in the space below. 4D E BB 100 120 \"HO""-d'c
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1.[1pnints}LetAbeanmxnmatrixandletbeannxpmatrix.lftheseeondrowofA consists onlyr of zeros1 what can be said about the seoond row of AB? Justify your answer. 2. [1 points} Let A be an m. X 71 matrix and let B be an n X p matrix. Show that if the columns of B are linearly dependent, then the oolnmns of A3 are also linearly dependent. 3. [:1 points)
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14 . ( 3 points ) Which of the following comparisons would use a " paired t - test " ? A . Fifteen retirees with diagnosed hypertension are assigned a program of diet , exercise , and meditation . A baseline measurement of blood pressure is taken before the program begins and again after 2 mont he Wasthe program effective in reducing blood
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Question text Use the given information to nd the Pvalue. Also, use a 0.05 signicance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis). The test statistic in a right-tailed test is z = 0.52. Select one: a. 0.3015; reject the null hypothesis (H b. 0.3015; fail to reject the
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Reflect on a particular current event or news item that provided some statistics. It would be best to consider the news that you perceive to be from reliable and credible sources. In your opinion, how important is it for the reports to include mention of sample size? What effect would the inclusion of sample size have on the audience? Explain your

nehalf of the general psychology students complete computer simulations. The remaining halt of the students spent an equal amount of time reviewing the text and their lecture notes. Both groups were then tested on the course information. a. What is the hypothesis? _re tech simulations or _lecture notes better for reviewing course information? to.
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According to records, the amount of precipitation in a certain city on a November day has a mean of 0.10 inches, with a standard deviation of 0.06 inches. What is the probability that the mean daily precipitation will be 0.103 inches or more for a random sample of 40 November days (taken over many years)? Carry your intermediate computations to at

Question 46 {I out of 2 points Refer to 5? Customer Profitability Analysis for this question. What is the customer PV if the chance of keeping the customer from year to year is 15% and the RRR is lowered to 15%
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Solve (x + 3)((x - 3) = 7 A. x = 1, -1 B. x = 2, -2 C. x = 5, -5 D. 3, -3 E. 4, -4

in Chapter 1 of the text we looked at calculating a monthly payment for a loan.A related formula is to calculate the amount accruing when regular payments are made into an interest bearing account - often called the Savings Plan formula. ( A is the accrued amount after t years of making regular payments, PMT , into an account at interest rate, r%

18. Which one of the following statements is not an assumption of the binomial distribution? A. Sampling is with replacement. B. The experiment consists of n identical trials. C. The probability of success remains constant from trial to trial. D. Trials are independent of each other. E. Each trial results in one of two mutuallv exclusive outcomes
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Let L be the language on = {0, 1} consisting of words that end in either 01 or 10 and contain neither 010 nor 101 as a substring.Find a DFA A that recognises (accepts) L. Hence find a regular expression of A

Exercise 3.2.34: Show that if tua =+/- ||x||2 is chosen so that tua and x1 have the same sign, then all entries of u in (3.2.33) satisfy |u i | less than or equal to 1. Show further that 1is less than or equal to ||u|| 2 is less than or equal to 2.

y = x 3 + 1 Find the x and y intercepts of the graph Sample of table points on the graph of the equation Plot the sample points and make a rough sketch of the graph of the equation. Test for symmetry. If the equation appears to fail any of the symmetry tests, find a point on the graph of the equation whose reflection fails to be on the graph.

The directions to answer this question are below. Thank you in advance. Suppose that a function f has exactly three xiotei'eepts. Which of the following statements IMLIST he true?r A. The equation f {x} = [I has Exactly\" three realnumber solutions. B. There are three points on the graph of f which have xeoordinates of U- C. f is a cubic
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What parent function does it look like you need to use to fit the shape in Figure 6? Share your ideas of how you will go about figuring out the equation.There are multiple methods, so if you have more than one idea, share them all! 6 . Miniature Golf A golfer is trying to make a hole - in - one on the miniature golf green shown The golf ball is at
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38 . A truck is purchased for $70 000 . It has a f five- year life and a $10 000 residual value . Under the straight - line method . What is the asset's carrying value after three years ? A . $24.000 B. 834. 000 C. $36 000 $46000
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: A professor wants to determine the effect of test-related anxiety on exam scores in her class. She administers a measure on which higher scores indicate higher levels of test-related anxiety. After the class takes the exam, the professor records the grades (out of 90 points possible) next to the anxiety scores. Conduct a linear regression to

A 20 foot pole is supported by two wires that extend from the top of the pole to points that are each 8 feet from the base of the pole. Find the total length of the two wires. Round to the nearest tenth, if necessary. The two wires, together, measure_______feet.

true or false, we can be reasonably condent when the level of condence is 95% or more. The level of condence indicates the percent of time that a series of condence intervals includes the unknown population characteristic such as the population mean. An increase in condence interval causes a wider confidence interval that is less (15) unless it is
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Alternative 3 - Build new nursing towers ( 180,000 GSF ) cost , S New construction cost 120 / GSF Demolish existing nursing towers 5 / GSF Nursing tower value assumed in 25 years ( salvage ) 5090 Estimated annual energy costs 650 000 Maintenance / repair costs per year 800 000 Nursing staff annual costs 5 180 000
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Express the following terms as a single equivalent logarithmic expression. Show work. log 1 + log (x) - 2 log (y+2)

*33. Consider two M / M / 1 queues with respective parameters in, m, i = 1, 2. Suppose they share a common waiting room that can hold at most three customers. That is, whenever an arrival nds her server busy and three customers in the wait- ing room, she goes away. Find the limiting probability that there will be :1 queue 1 customers and m queue 2
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18.What is the standard deviation of the square footage of the new condos with the added area? a) 149 sqft h) 49 sqft c) 63 sqft d) 104.83 sqft 19.Whioh of the following is closest to the value of the standard deviation of the data whose histogram is displayed below? Histogram of welmts of egg plants from a farm In 02. 1600 1400 1200 Hummer 13.6
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7 . ( 8 pts ) A graph of y = ( ) follows . No formula for is given , Which graph ( A , B C , or D ) represents the graph of v = 1 ( x - 1 ) - 1 ? EXPLAIN YOUR CHOICE ( Grid supplied for scratch work You are NOT required to submit your own graph ) BUT FOR vertical translation of down I ( 5 ) horizontal relation of righ
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A charity is running an auction. One thousand tickets are sold at $2 each for two prizes of $100, two of $50, two of$25 and two of $10. What is the expected value if you buy one ticket? \f
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http://higheredbcs.wiley.com/legacy/college/reid/1118952618/vc/hospital_html/reid5e_virtual_comp_kaizen_assignment12.htm Go here and im trying to answer these questions Trying to answer these questions: 3.Develop an estimate for the annual holding cost per unit for the supplier's offer. 4. Develop a recommendation with regards to accepting or

1.Corporations often invest in the common and preferred stock of other corporations.Distinguish between the taxability of common and preferred stock for the issuing corporation and the buying corporation. 2.Maritza Mercantile Incorporated has announced a rights offering for its shareholders.Five rights plus $60 cash is needed to buy one new

9. Prove that sin 36 = sin 6(3 43in2 6) by applying the Binomial Theorem and De Moivre's Theorem to (cos 6 + 2' sin (9)3
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square root 35a / square root 5y Simplify by rationalizing the denominator

Given a = 3, h = -2 and k = 2, what is the equation of the graph if the parent function isy= x? Given a = -3, b = 2, h = 1, and k = -4, what is the equation of the graph if the parent function isy= x ? Describe the transformation. Given a = 3, b = -1 and k = 2, what is the equation of the graph if the parent function is y = x?

I worked this problem and wanted to see if i worked it correct \f..____ ____ _ ___ __ ___\". 99 1' (3} Evaluate 2 (g) . (Hint: Since there are 100 terms in the sum, it isn't a. good idea to 1:0 write them all out and add. Use the brmula fer the sum of terms of a geometric sequenee. Leave the answer with exponents rather than using a calculator to
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you maintain an average balance of 1140 on your credit card, which carries a 15% annual interest rate. what is the monthly interest payment? What is the annual interest rate?

Let Z be a standard normal random variable. Use the calculator provided, or this table , to determine the value of c such that P (Z c)= 0.1539 Carry your intermediate computations to at least four decimal places. Round your answer to two decimal places.

In the United States, theannual salary of someone without a college degree is (on average) $31444, whereas the annual salary of someone with a college degree is (on average) $50878.If the cost of a four-year public university is (on average) $16079 per year, how manymonthswould it take for the investment in a college degree to be paid for by the

Owners of a recreation area are filling a small pond with water. Let represent the total amount of water in the pond (in liters). Let represent the total number of minutes that water has been added. Suppose that and are related by the equation y=500+29x what was the starting amount of water in the pond? What is the change per minute in the amount

A company manufactures and sells baby dressers. The total cost function is linear, and costs amount to $33,220 for 700 dressers, and $46,420 for 1900 dressers. The selling price is $57.40 per dresser. Find the break-even quantity for this company. what is the formula used for this problem?

What is an example of a situation where the average percentage is reported?

Find the two roots of each of the following (that is find the two X values that make Y = 0). This skill may be useful in assignment 11.EXAMPLE:Y = 3X 2 -11X +6 is the product of (3X -2)(X -3).If you let Y = 3X-2 then X = 2/3 will make Y = 0.If you let Y = X-3 then X = 3 will make Y = 0.Thus both X = 2/3 and X = 3 are roots. Show the algebra

Brianna deposited $680 into a savings account that pays a simple annual interest rate of 1.29%. How much interest will she earn after 3 years

For each of the following amounts at the given interest rate compounded continuously, find (a) the future value after 7 years, (b) the effective rate, and (c) the time to reach $ 15,000 . $ 5800 at 3.2 %

Anexperimentconsistsofflippingafaircoin8timesandcountingthenumberoftails.Findtheprobabilityofseeingexactly6or7tails.

the nurse needs to administer 165 mg of medication to a patient weighing 33 lb every 8 hours. The SDR is 26 mg/kg to 33 mg/kg per 24 hours. How much is the first and second range mg/day? Show the solution, there should be 2 answer

The following table shows the expenses and payments for 3 months on a credit card account with an initial balance of $bal.Use a table similar to the one below as a guide to help you find the balance at the end of the three months.Assume that the interest rate is 1% per month (12% APR) and that the interest for a given month is charged on the

l3. Add The Passengers Tleld To The PTvoTTdble VALUES cred wlTh 0 sum CdlculdTiOh. Ele The eld seTTlhgs To display # of Passengers 05 The cusTom hdme. SeT The number Torde To Number wiTh zere decimals and d Thousand's sepdrdTor
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MAT120 - Thke Home Exam One Name 10) In the space provided construct a Pareto Chart and a Pie Chart for the Frequency Distribution below. [ 15 pts] Road Rage Incidents Frequency Distribution Pareto Chart Pie Chart
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4 . What competitor reactions are likely if Kootenai unilaterally makes one or both credit policy changes ? How might this be incorporated into the present analysis
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Section 1.2 Functions and Graphs Simplify your Answer: g(1-t)=3(1-t) 2 -4(1-t)+20

CHAPTER 15: t TEST FOR TWO RELATED SAMPLES (Repeated Measures) Key Terms Two Related/Matched samples-"Each observation in one sample is paired, on a one-to-one basis, with a single observation in the other sample. Difference score---The arithmetic difference between each pair of scores in two matched samples. Repeated measures---whenever the same
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6. Ages of presidents. Joe is writing a report on the backgrounds of American presidents. He looks up the ages of all 44 presidents when they entered office. Because Joe took a statistics course, he uses these 44 numbers to get a 95% confidence interval for the mean age of all men who have been president. This makes no sense. Why not
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Z. EMERGENCY UEl'l' Gender: F Age: bU Reason for encounter: badly infected second-degree burn on her scalp that occurred in the bathroom of her home with a curling iron Assessment: Patient has not properly cared for the wound. Treated the wound and applied an alginate dressing, 10 square inches. Service Provided: Based on the wound's appearance
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) the middle 95 percent? [Remember, the middle 95 percent straddles the line perpendicular to e mean (or the 50th percentile}, with half of 95 percent, or 47.5 percent, above this line and the mainin 47.5 Dercent below this line.l 95%
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dp/dt=p^2-6p (a) sketch the direction field or if appropriate, phase line (b) dp/dt=p^2-6p and p(0)=6, use Euler's method with step size h=(1/2) to find the approximate value of this solution for t=1.5. Does the work in part (b) agree with your work in part (a)?

which one is the correct Euler's formula (1). yn=yn-1+h(xn-1-2yn-1) or (2) yn+1=yn+h(xn-2yn) which one is correct?

The weekly sales of Honolulu Red Oranges is given by q =868?20 p . Calculate the price elasticity of demand when the price is $31 per orange (yes, $31 per orange ? ). ? The weekly sales of Honolulu Red Oranges is given by q = 868 20p. Calculate the prlce elasticity of demand when the prlce is $31 per orange (yes, $31 per orangef). HINT [See
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Suppose you have a set of normally distributed data where the mean is 120 and the standard deviation is 15. What score is located at -2 standard deviations?

Hi i wanted to know if anyone could help me answer the following problems? Very confused on how to do them Question 1 Evaluate 1. 2 f ($_3 2:c]2 d1": 1 2. 1 / l2x132ldx: 3 3. 1 /_s. x+$mx Question 2 Let R be the region bounded by the curves y 2 $2 and y 2 3:13. Find the the volume of the solid obtained by rotating R about the line 1. x25 2. 3,210
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I NEED HELP WITH THIS QUESTION IT IS DUE AT 12 I DONT UNDERSTAND Let ns) = $2 + 2:): 2. Find the equation of the line tangent to the graph of f(a:) at the point ( 2, f( 2)) shown below. IIIIIIIIIIIIIII IIHIIIFIIHIIIIIII IMIIIIIIMIIIIIII IIIIIFIIIIIIIIII IIIIIIIIIIIIIII IIIIHIIIIIIII IHIIIIHIIIIIIII IMIIIIMIIIIIIII IIIIIIIIIIIIIII IIIIIIIIIIIIIII
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TheGreatPyramidoutsideCairo,Egypt,hasasquarebasemeasuring756feetonasideandaheightof480feet. ThestonesusedtobuildtheGreatPyramidwerelimestoneblockswithanaveragevolumeof1.5cubicyards.HowmanyoftheseblockswereneededtoconstructtheGreatPyramid?

Having the sketched (see figure below) slope eld for the differential equation: in the graph below.Which of the four curves (A, B, C, D) that have been drawn over the slope field could be the solution to this differential equation with the initial conditiony(0)=2? \f
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Evaluate the expression. r = <9, -7, -1>, v = <2, 2, -2>, w = vw -26 1 Determine whether the vectors u and v are parallel, orthogonal, or neither. u = <3, 0>, v = <0, -6> Orthogonal Neither Parallel Find the angle between the given vectors to the nearest tenth of a degree. u = <8, 4>, v = <9, -9> 81.6 25.8 35.8 71.6 Find ab. a = 6i - 6j, b = 4i +

Cartesian Product. The Cartesian product of A and B, denotedA x B,is the set of all ordered pairs in which the first entry is in A and the second entry is in B. A B={(a,b):a A b B} If A is a set of symbols or characters, the elements in A n can be written without the usual punctuation (parentheses and commas) used for ordered n-tuples. A sequence

Subject: Solving Systems of Linear Equations using Matrices and Matrix Equations Alex is planning to have a snack during his break from class. He needs to eat 8 grams of fiber and 12 grams of protein. In the vending machine, he finds three types of packaged snacks: crackers that have 1 g of fiber and 2 g of protein, cookies that have 1 g of fiber

a plane flies 440 miles with the wind and 340 miles against the wind in the same length of time. if the speed of the wind is 25 mph what is the speed of the plane with no wind

4} Using Explore determine the measures of central tendency and spread for CRC192 (Juvenile Arrest Rate per 100,000 for violent crime) from STATESlO data set. Examine the statistics and determine which measures of central tendency and spread are most appropriate. Make sure to click on the statistics box and check "descriptives." Mean Median
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CHAPTER 16: ANALYSIS OF VARIANCE (ONE WAY-Factor) Key Terms Analysis of variance (AN OVA) An overall test of the null hypothesis fro more than two population means. One-way AN OVA The simplest type of analysis of variance that tests whether differences exist among population means categorized by only one factor or independent variable. Treatment
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#13) Bill's Bakery expects earnings per share of $2.56 next year. Current book value is $4.70per share. The appropriate discount rate for Bill's Bakery is 11 percent. Calculate the share price for Bill's Bakery if earnings grow at 3 percent forever. P0= $4.70 + [$2.56-($4.70 x 0.11)]/ (.11-0.03) =$30.24 When i calculate this above formula, I get

8 8 . Suppose the table below describes the relationship between price and quantity demanded for a monopolist . Quantity Price $10 $0 $8 Of SO $5 $4 $3 If the marginal cost of producing each unit of output is $5 , then this monopolist's profit- maximizing level of output is A . 5 B. 4 C . 3 D. 2
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Solve the system by graphing both lines on one coordinate system 3x - y = -3 x + 2y = -8

Solving system of equations algebraically through elimination. 3n+4m=910 10n+5m=1850 FInd the value of n using elimation.

48. What is the book value of an electronic test equipment after 8 years of use if it depreciates from its original value of P120 000 to its salvage value of 13% in 12 years. Use straight line method. a. P20 794.76 b. P50 400 C. P40 794.76 d. P50 794.76
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Create an Excel spreadsheet that will be capable of calculating a student*s nal grade in a given course. Keep in mind that weighting is involved in determining the nal grade. Your Excel spreadsheet should contain the following: Your name, course name and project name. The scores provided on the next page category.r averages The weights used to
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The radioactive element carbon-14 has a half-life of 5750 years. The percentage of carbon-14 in the remains of organic matter can be used to determine the age of that matter. While digging near Maryland, archaeologists found charcoal that had lost 8.1% of its carbon-14. The age of this charcoal indicates that this is the oldest dwelling ever

Select the system of linear equations that has the solutions (7, 0). x - y= 7 x + y= 9 7+3y= 10 -5x - y= -35 x - y= 7 x + y= 7 3x - 4y= 21 3x + 4y= -20

D . Prepare the journal entry to record the impairment . How would your answer to Requirement I change if the discount rate was 16 6 and the cash flows were expected to continue for 6 years for GV
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A train travels 200 km in the same time that a plane covers 900 km. If the speed of the plane is 30 km per hr less than 5 times the speed of the train, find both speeds.

What is the equation of the ellipse with vertices at (-25, 0), (25, 0) and co-vertices (0, -15), (0, 15)?

Jasper buys a copier for his small business.It costs him $21,000 and will decrease in value each year.The graph below shows the value of the copier after the first 5 years of ownership.Find the equation of this line whereis the value of the copier afteryears a.v=-3000t +21000 b.3000t + 21000 c.-5t +21000 d.-21000t + 300

Case 3. Bu'ett's Bid for Media Eeneral's Newspapers 1. Whyr does Warren Buffett want to buv MEG's newspaper division? 2. Is MEG's newspaper division worth $142 million? a. Start bv valuing the newspaper division, assuming the cash flow forecast in Exhibit 10 is reasonable. For the purposes of this analvsis, assume a market risk premium of 6%, a
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Write the equation of a line whose slope is -2 and passes through (-1,6).Write the answer in slope-intercept form.

#1. 2 1/2 2 1/3 #2. (a 1/2 b -1/3 )(ab) Simplify each expression using the rules of exponents and examine the steps you are taking. Incorporate the following five math vocabulary words into your discussion. Use bold font to emphasize the words in your writing. Do not write definitions for the words; use them appropriately in sentences describing

Neveah has created the function f(x) = the quantity of 2x plus 4, divided by 3 to represent the growth of her hair, where x represents the number of months since her last hair cut. Neveah discovers that using the inverse function to solve for x = 6, she can predict when her hair will have grown 6 inches. Explain to Neveah how to accomplish this,

10.8 Murder weapons. The 2010 Statistical Abstract of the United States reports FBI data on murders for 2007. In that year, 49.6% of all murders were committed with handguns, 18.4% with other firearms, 12.1% with knives or other cutting implements, 5.8% with a part of the body (usually the hands, fists, or feet], and 4.4% with blunt objects. Make
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Below are three boxes containing black and white balls. The number of each color is noted inside thebox.Draw a ball frombox one and place it in box 2. Then draw a ball from box 2 and place it in box3. Finally draw a ball from box 3. box one 6 white 3 black box 2 2 white 2 black box 3 3 white 1 blackwhat is the probability that the last ball drawn

can you please assist, so i can understand how to help my daughter A telescope contains both a parabolic mirror and a hyperbolic mirror. They share focus F1, which is 44 feet above the vertex of the parabola. The hyperbola's second focus F2 is 8 ft above the parabola's vertex. The vertex of the hyperbolic mirror is 4 below F1. Find the equation of
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Find the slope of the line: 2x + y = 6 can you please show me the step by step directions?

Problem 1 Consider the shortest path models for the knapsack and inspection scheduling problems discussed in the lecture. Note that the shortest path model for the lmapsack problem has a treelike structure {it is not a treellj with the property that any node in the directed network describes precisely how much weight capacity has been consumed in
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d . With the current cost structure , including fixed costs of $285 000 , what dollar sales volume is required to provide an after- tax net income of $200 000 ? After - tax net income - 295090 ( 1 - 0 36 ) = 189800
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by using the Lagrange multipliers, find the maximum and minimum values of this function, with the given constraint. f ( x , y ) = 9 x 2 + 9 y 2 ; xy = 1.

you graph the functions and notice a trend ........................ \f
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Uriah Heep celebrated his 18th birthday by opening a savings account at the Thames River Bank and depositing $ 700 He continued to deposit the same amount on every subsequent birthday until he was 23 years old. After depositing $ 4 700 23rd birthday Uriah decided to abandon his savings plan. He never savedagain, but he left the accumulated savings

In what time will Rs. 1250 amount to Rs.1400 at 6% per annum?

Explain the mistake and then factor in the following trinomial correctly. 10x^2+9x+2=(10x+1)(x+2)

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