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Mathematics Questions and Answers July 14, 2021

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If i have 3 variables in my truth table, come up with a formula that would produce the following truth assignments: 1,0,1,1,1,1,0,1

Suppose that ABC has BAC = 36 and ABC = ACB = 72. Let D be on AB so that DCB = 36. Use this configuration to determine the exact value of cos(36), and then use the value of cos(36) to determine the exact value of sin(36)

A local courier service reports that 95% of bulk parcels within the same city are delivered within two days. Six parcels are randomly sent to different locations. a. What is the probability that all six arrive within two days? (Round the final answer to 4 decimal places.) Probability b. What is the probability that exactly five arrive within two

Instructions and Tips Please submit an HTML document created using R Markdown. The first chunk of your R Markdown document should be to set the global chunk options . The second chunk of your R Markdown document should be to declare your libraries (probably only tidyverse for now). Make sure you address all the questions in these instructions.

A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service for the fleet of cars is bell-shaped and has a mean of 48 months and a standard deviation of 10 months. Using the 68-95-99.7 rule, what is the

It is known that the quadratic function f(x) = x2 + 2x - 3 a. Find the high point b. Find the point where the x and y axes intersect! c. Draw the quadratic function on a graph
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17 of 25 Use the product or quotient rule for logarithms to find all x values such that log, (3x - 2) + log(x + 22) - log,(x + 1) = 3. Ox= 6 O X = 6j O x = 16/ Ox = 16
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Use the equation kg x 50 = mL/day for Maintenace rate Use kg x % of dehydration x 10 = mL/day for replacement rate 5. A 50lb dog needs fluids at maintenance rate. What will the daily dose be? What will the mLs/hr rate be if given over 24hrs? What would it be if the full dose is to be given over 8hrs instead? 6. The DVM orders you to give a 50lb

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Divide 258 centuries 5 decades by 11. Answer is needed in centuries and decades

Question 4 of 28 You have an Azure subscription that contains the following resources: VM1- a virtual machine that runs Microsoft SQL Server and is deployed in the West US location VM2- a virtual machine that runs Microsoft SQL Server and is deployed in the East US location SQL1- an Azure SQL Server deployed to the West US location Vault1- a
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Type the correct answer in the box. 24- 22- 20- 18- 16- 14- 12- 10- 8- 10 12 14 16 18 20 22 24 26 The figure shows five polygons: ABCDE, FGHI, KLMNO, PQRST, and UVWXY. Polygon cannot be mapped onto the others by similarity transformations. Reset Next
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It is known that the quadratic function f(x) = x2 + 2x - 3 a. Find the high point b. Find the point where the x and y axes intersect! c. Draw the quadratic function on a graph
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uorun upa DEBIT EVALUATE Independent Practice Learning Goal Lesson Reflection (Circle one) I can define the following terms precisely in terms of point, line, and distance along a line: line segment Starting... Getting there.. Got it! Lesson 1.1 Checkpoint Once you have completed the above problems and checked your solutions, complete the Lesson
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a. Calculate dragline production in m per month and run-of-mine coal production in tonne per month
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See attachment e learning modules A rain drop hitting a lake makes a circular ripple. If the radius, in inches, grows as a function of time in minutes according to r (t) = 20vt + 2, find the area of the ripple as a function of time. Find the area of the ripple at t = 2. Enter the exact answer. For the number 7, you can either type pi or you can
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The region bounded by y = /&, = 4, and the x-axis is rotated about the y-axis. Find the volume of the resulting solid of revolution
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T.) In the EDDBGS S, the 61 Hispanic respondents' average age at the birth of their rst child was 22.95, with a sample standard deviation of 4.83. What is the 95% condence interval for the population mean? Show your work
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Please help me solve, thank you! 10.3.17 The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted weight of a bear with a chest size of 41 inches. Is the result close to the actual weight of 233 pounds? Use a significance level of 0.05.
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Consider the following data: 12,12,5,5,12,5,14 Step1of3: Calculate the value of the sample variance. Round your answer to one decimal place.

A grassroots group opposed to a proposed increase in the gas tax claimed that the increase would hurt working-class people the most, since they commute the farthest to work. Suppose that the group randomly surveyed 24 individuals and asked them their daily one-way commuting mileage. The results are in Table 13.22. Using a 5% significance level,
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Find both the x -interceptand the y -intercept of thelinegiven by this equation. = + 2.7 x 5.2 y 3.7 0 Round your answers totwo decimal places. x-intercept: y-intercept:

The following question involves a standard deck of 52 playing cards. In such a deck of cards there are four suits of 13 cards each. The four suits are: hearts, diamonds, clubs, and spades. The 26 cards included in hearts and diamonds are red. The 26 cards included in clubs and spades are black. The 13 cards in each suit are: 2, 3, 4, 5, 6, 7, 8,

If a translation maps LD onto _B, which of the following statements is true? W O OACED ~ ACAB OACED ~ ACBA O CE = 2CA CD = 2CB
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Smoking By Race For Males aged 18-24 Smoker (S) Nonsmoker (N) Row Total White (W) 292 518 810 Black (B) 50 140 190 Total 342 658 1,000 Calculate the Probabilities: (Round your answers to 4 decimal places) P(S) P(W) P(S | W) P(S | B) P(S and W) P(N and B)

The student academic group on a college campus claims that freshman students study at least 2.5 hours per day, on average. One Introduction to Statistics class was skeptical. The class took a random sample of 30 freshman students and found a mean study time of 137 minutes with a standard deviation of 45 minutes. At = 0.01 level, is the student

24ft 12 ft 28 ft 32 ft 16 ft
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Based on an independent t-test, the F statistic is 2.798 with a p-value of 0.125. In this case you should?

What is one of the major advantages of two decision-making variables in linear programming models

The College Board reported the following mean scores for the three parts of the SAT (The World Almanac, 2009): Critical reading 502 Mathematics 515 Writing 494 Assume that the population standard deviation on each part of the test is 100. a) What is the probability that a random sample of 90 test takers will provide a sample mean test score within

Total Number of Bubbles in 3 Minutes Total Number of Bubbles in 3 Minutes Total Number of Bubbles in 3 Minutes Distance Trial #1 Trial #2 Trial #3 100 mm 444 465 456 110 mm 336 345 342 120 mm 306 312 309 130 mm 285 288 291 140 mm 282 276 279 150 mm 189 186 192 160 mm 159 141 150 170 mm 141 144 141 180 mm 132 135 129 190 mm 108 110 109 200 mm 60 58

Prove the following statements with contrapositive proof. (In each case, think about how a direct proof would work. In most cases contrapositive is easier.) 1. Suppose nZ. If n 2 is odd, then n is odd. 2. Suppose x R. If x 3 - x>0 then x>-1. 3.Suppose x, y, z Z and x 0. If x yz, then x y and x z. ( this symobl indicates not divisible) Prove the

Initial Investment Including Equipment Investment horizon utilized N Reasonable inclusion of inflation 2 Correct quantity for coffee production considered 2 Processing costs considered IN Direct Labour and Materials considered 2 Transportation costs considered N Insurance considered N Manager salaries considered 2 Other overhead costs considered N
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a research institute poll asked respondents if they felt vulnerable to Identity Theft. in the poll n=942 and x =560 who said yes. use 95 % confidence. identify the value of margin of error E

Match the methodology with the statement that best explains the focus of the study

Enter the debit or credit amount in each T account to show the transaction's effect il sis Grades and Attend.. _ Classroom DeltaMath M Displaying IMG_36. French 2/ francais.. G poet x summary G Image result for wh.. Reading list
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Stats question, Please help Problem 1. (1 point) X is a random variable having a probability distribution with a mean/expected value of E(X) = 24.1 and a variance of Var(X) = 36. Consider the following random variables. A=5X B=5X3 C=3X+7 Answer parts (a) through (c). Part (a) Find the expected value and variance of A. E(A) = (use two decimals)
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. Question 1 0/25 pts 3 99 . Details The graph above can be written as y = f(t)u.(t) + g(t)us(t) Where f() = g(t) = b=
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make a hypothesis about somethinginteresting. It must be something easily measurable and numeric and the hypothesis must be based on either supporting or arguing against an outside source - book, tv, online, whatever.Nothing nominal. And nothing too personal that people are not going to be willing to answer, or answer honestly (cough, response

5 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 10. A number is added to another number. The sum is then divided by the product of the two numbers. What is the result? Ity Ity O (x + y) . (x -y) O ( x + y) = (x= y) sep 1 acer A a LA 9 W 5 N e y u O W h K S
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Operations on pandas 1.make a pandas Data Frame having the following structure: float_col int_col str_col 0 0.1 1 a 1 0.2 2 b 2 0.2 6 None 3 10.1 8 c 4 NaN -1 a 2.Filter the columns float_col and int_col from the Data Frame in one query. Hint:use ix method of Data Frames.Print without using ix method. 3.Filter the records from float_col having a

Project 1-4: create a virtual machine of window 10 for Security Testing-PART 1

1.A family buys a house valued at $187,500 by making a down payment of 20%.They take out a 30-year mortgage for the balance, at an annual interest rate of 4.2%. a.determine the monthly mortgage payment.

1. What information do you need to create a box plot? O 2. To help travelers know what to expect, researchers collected the prices of commodities in 16 cities throughout the world. Here are boxplots comparing the prices of a ride on public transportation, a newspaper, and a cup of coffee in the 16 cities (prices are all in US dollars). 1. On
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Solve the "simple" quadratic equations. CIRCLE YOUR ANSWERS 1. 2 36 = 0 2. 4 2 16 = 0 3. ( 1) 2 49 = 0 4. ( + 3) 2 = 81 Solve each of the following quadratic equations by factoring. CIRCLE YOUR ANSWERS 5. 2 3 = 4 6. 2 + 7 + 10 = 0 7. 2 8 + 12 = 0 8. 2 + 5 6 = 0 9. 2 5 = 0 10. 3 2 27 = 0

A sample of 100 individuals was selected for a focus group to determine information concerning consumer behavior. Among the questions asked was "Have you noticed our advertisements online?" Overall, 67 answered yes. 40 males were interviewed, and 17 males answered yes. Given that a randomly selected customer is female, what is the probability that

logic reasoning QUESTION 9 (18] 9.1 TAD is a langent to the circle centre O. Prove the theorem which states that BAD = ACB. (7) C O T A
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Match the symbol on the left with the set on the right. Drag and drop application. Z Z drop zone empty. Z+ Z+ drop zone empty. Q Q drop zone empty. Q+ Q+ drop zone empty. R R drop zone empty. R+ R+ drop zone empty. C C drop zone empty. {..., -2, -1, 0, 1, 2,...} the set of integers The set of real numbers The set of positive real numbers The set

Consider the following hypotheses: H 0 : = 380 H A : 380 The population is normally distributed with a population standard deviation of 77. (You may find it useful to reference the appropriate table: z table or t table ) a-1. Calculate the value of the test statistic withx x= 390 and n = 45. (Round intermediate calculations to at least 4 decimal

can you do the calculation with these numbers instead and give me the answer 18mL NaOh ^1 * 0.1016= 10mL * x

Determine if the graph can represent a polynomial function. If so, assume the end behavior and all turning points are represented on the graph. 40947-66 12345678910
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Drag the tiles to the correct boxes to complete the pairs. Determine whether each pair of lines is perpendicular, parallel, or neither. Parallel > -> Perpendicular e
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osing previous question s. 1 answer for [T] Bu, B. . calculate u By if 1 [u] By using - Bw = [TBu,By ' Lu B
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A square sheet of paper measures 50 centimeters on each side. What is the length of the diagonal of this paper
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An alternating voltage is given by v=100sin200t volts. where t is the time in seconds. calculate the rate of change of voltage when t= 0.005 sec

What is sampling? Why sampling is a critical issue in research?

How long will it take money to double if it is invested at 4% compounded continuously? (the response at the end of the book is 17.33 yr but I don't know how to logically arrive to that result)

Question 19 (1 point) Rewrite the following as a single logarithm: 2(log3(8) + log3(z)) logo, (34 72) Show your work for full marks. Do not type out your answer; as it must be completed by hand. Write your work on a separate sheet of paper and upload an image of your work for this question by Clicking on Vidal File " button below the text box.
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d. Henrietta Hardworker normally earns $8.50 per hour in a given 40-hour work- week. If she works overtime, she earns time and a half pay per hour. During the month of October, she worked 40 hours, 50 hours, 45 hours, and 42 hours for the four weeks. How much did she earn total for October
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a bakery asked 150 customers to taste a new type of cookie and found that 60 people liked its taste.which of these is an example of descriptive statistic ?

Conducting and analysing an Experiment Work with a partner. Part A: Work through the following parts to learn about how to conduct an experiment and analyze the examples. Planning a question or conjecture When you pose a question or conjecture for an experiment to collect two-variable data, you should follow these steps. Find a topic that
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please answer with correct calculations and explanations. \f
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Beginning in cell C14 of the Budget Analysis worksheet, complete the series of substitution values ranging from 450 to 1200 in increments of 150 horizontally across row 14

Cilindr, kura rdiuss ir 6 cm, ievilkta regulra trijstra prizma. Nosakiet prizmas pamata malu

1) An analyst is conducting a hypothesis test to determine if the mean time spent on investment research by portfolio managers is different from 3 hours per day. The test uses a random sample of 64 portfolio managers, where the sample mean time spent on research is found to be 2.5 hours. The population standard deviation is 1.5 hours. What is the

3. Method (4 marks) In this section, the data source and empirical approach used to examine the relationship between life satisfaction and GDP needs to be detailed. 4. Results (20 marks) In this section, you need to present and summarize the results from your statistical analysis. In particular, the results section must: Provide a descriptive

I still don't fully understand how to find the area of a model can I get an explanation on this, thank you \f
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??? The diagram shows the graph of y = 2* + 3. The curve passes through the points A(0, a) and B(1, b). a Find the value of a and the value of b. b Write down the equation of the asymptote to the curve
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Choose something that would likely have a normal distribution from the health industry (e.g., height, weight, blood pressure, temperature, time to heal from a certain injury). Maybe a hospital would like to know the average time wait time for the emergency room. You can make it realistic or be creative. . List your chosen topic here: Share why the
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Lesson 3.1: Introduction to Radicals Lesson 3.1: Introduction to Radicals Explore Your Understanding Assignment This assignment includes multiple choice questions. For multiple choice questions, select the best answer. Each is worth 1 mark. Use the following list of radicals to answer question I. 513. VI 280. 8, 2:/120, 31/40 1 . The correct order
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View Assessment G Use the given conditions to write an equation for the line i X 82 minutes remaining 34 OF 35 QUESTIONS REMAINING Question 4 3 Points Graph the line whose equation is given. y = ~ x - 3 A Ty
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Of(x) & g(x ) D Question 20 Find f (g (a)). given f (x) = 3x2 - 2 + 1, g(x) - 2x Of(g(x))=12x2-2x+1 of(g(x))-6x3-2x2+1 of(g(x))-6x2-2x+2 of(g(x))-6x2-x+1 its to save. Last checked at 9 DELL
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47. [-/0.16 Points] DETAILS LARMPMT1 14.3.014. 0/100 Submissions Used The blueprint has a scale of 1 in. : 3 ft. Find the perimeter of the actual object. 5 in. 5 in. 5 in. 5 in. 5 in. 5 in. Need Help? Read It
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Compute correlation coefficient. Be sure to discuss the strength and direction of the correlation. Are the results as expected? What do the results tell you about the relationship of the two variables? \f\fNumber Country Continent Income Level Category Repeaters Repeaters, Primary, Primary, Female Male (% of male (% of female enrollment
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grocer needs to mix tea worth 56 per pound with bra worth $8 per pound to obtain 144 pounds of It's mixture worth $7.50 per pound, How many pounds of each kind of ica must be used to create the mixture. Y : H OF BU HA
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EMERGENT Quick quick solve! Let A = a b ), (a, b, c, and d are real numbers.) (a) Show that A is positive definite if and only if a > 0, d > 0 and |b+cl 0, d > 0 and 1b|
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How do I find the fraction equal to a decimal ? 0.343434

when testing gas pumps for accuracy, fuel quality enforcement specialist tested pumps and found that 1304 of them were not pumping accurately (within 3.3 oz when 5 gal is pumped), and 5689 pumps were accurate. use a 0.01 significance level to test the claim of an industry representative that less than 20% of the pumps are inaccurate?

Can I plz get an explanation on how to do this question andom variable X has probability density function: f(x) = ke * Ofr otherwi Determine the value of k. Find F(x), the cumulative distribution function of X. Find E[X]. Find the variance and standard deviation of X. k must be shown for this question. R-Studio should n
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VlaKe vs. buy (our company makes a variety of products. A large order for three products has just been received from a customer who also requested a very short due date. A quick calculation revealed that the limiting 'esource is the labor time; only 200 labor hours are available, and that is not enough to make all the 'equested units of products.
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Carol earned $668.52 in net pay for working 35 hours. She paid $115.38 in federal and state income taxes and $63.45 in FICA taxes. What was Carol's hourly wage? AJ
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Question 17 of 50 If triangle RED has vertices R(0, 0), E(-3, 4), and D(4, 6), which of the following coordinates is R' of the dilation using the scale factor 0.5? O R' (-1, -0.5) O R' (0.5, 0.5) O R (0, 0)
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In a recently published sociology article about transportation patterns, a sociologist studied whether families rely on their own transportation instead of public transportation. Let the mean number of cars owned by a family be. Ifthe sociologistwanted to know if families own, on average, more than 3 cars, what are the null and alternative

Question 6 (8 Points) Find sets A, B if (a) A - B = {1,5, 7,8} (b) B - A = {2, 10} (c) AnB = (3,6,9} Question 7 (8 Points) Determine if each of these functions is a bijection R - R (one to one and onto). 2 points each. (a) f(x) = 3r +4 (b) f(x) = -3x3 +7 (c) f (x) = = r+1 I + 2 (d) f(x) = x'+1
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A line passes through the point (-3, -5 ) and has a slope of 7. Write an equation in slope-intercept form for this line. X
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An inspector inspects large truckloads of potatoes to determine the proportion p in the shipment with major defects prior to using the potatoes to make potato chips. Unless there is clear evidence that this proportion, p, is less than 0.10, he will reject the shipment. He selects an SRS of 200 potatoes from the over 5000 potatoes on the truck.

The rotational velocity of a merry-go-round increases at a constant rate from 2.3 rad/s to 17.1 rad/s in a time of 12 s. What is the rotational acceleration of the merry-go-round? The rotational acceleration of the merry-go-round is rad/s 2

Give the slope of each line and then determine whether the two lines are parallel, perpendicular, or neither parallel nor perpendicular. 3x+4y=8 and -12x+9y=0

A teachers salary in the year 2,012 is 107.5 percent of her salary in 2,011. If the salary in 2,011 is $63,437, what is the salary in 2,012? $

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Please complete the following 8 practice questions, no detailed problem-solving process is required. Just results and answers. Math 120 Homework 10: Problem 2 (1 point) Let a} = [2] and 32 = [if]. The set {a}, a2} will span E2 unless h, || [hc there are no values of k that make the set fall to span, enter "NONE". If the set fails to span for all
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For each of the questions can you please help and explain in steps on how you go the answer ? thank you Question 1 Let A,B be 5X5 matrices such that: a~ ; :4 3'3 _ 1, otherwise J=:'GM Solve the matrix equation ABx=(-2,0,5,1,3] for x. \fDo the following lines in [R3 intersect? If so, where? Line 1: r : (1, 7, 2) + t(5,4, 3) Line 2 a: : 2 s y : 16 +
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Suppose taxi fare from Logan Airport to downtown Boston is known to be normally distributed with a standard deviation of $2.30. The last seven times John has taken a taxi from Logan to downtown Boston, the fares have been $24.20, $23.26, $23.85, $23.38, $23.41, $23.63, and $20.87. Construct a 95% confidence interval for the population mean taxi

Day 3 > Lesson 7 Solving Two-Step Equations Practice 3 Marco is an operational manager of a concert venue and oversees crowd control. Thirty minutes before a concert, there were 800 people in the 2,000-seat auditorium where the concert was being held. Ten minutes before the concert, the auditorium was 75% full. The equation 0.75 = represents the
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Please help me through this questions with procedures. Thank you! (9) Suppose X and Y are iid Exp(1) random variables. Let U = min{X, Y} and V = max{X, Y}. Recall the joint density for (U, V) is f(u, v) = 2 e-(uto), 0
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Identify an accurate statement about measurement. Multiple choice question. The rules used in assigning numbers are guidelines for representing the magnitude of an object being measured. A measurement scale has to be categorized according to the type of variable being measured. Measurement does not involve any form of error. Measurement using a

how to find measure of each angle indicated. (ignore the erased numbers) \f
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g: R -> R A continuous function defined by \f\f\f
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