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Mathematics Questions and Answers September 30, 2021

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Composition of two functions f(x)=4x+7 g(x)=x^2+6 A.) g(f(x)) B.) f(g(-3)) C.) f(g(x)) + g(f(x)) D.) g(f(2)) E.) g(f(2)) + g(f(3))

Determine the Type I error if the null hypothesis,H 0 , is Carmin will receive a95% on her statistics exam and the alternative hypothesis,H a , is Carmin will not receivea95% on her statistics exam. Select the correct answer below: Carmin concludes that she will not receive a95% on her statistics examwhen, in fact, she will not. Carmin concludes

Identify Values The score on a standardized test for a certain year is modeled using the normal distribution shown below. The mean of the distribution is 71.5 points and the standard deviation is 5.1 points. In the figure, I is a number along the axis and is under the highest part of the curve. And, U and Ware numbers along the axis that are each
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Calculo del valor de zy desviacion muestral estandar. ? -4 7-8 = 0,73? 130 0.73 =-1.3698 unaLa duracion promedio es menor a 7 anos 7 - LL ?(2) = P {? 1.3698) P(?) = ?(0.4147 + 0.5) = 0.9147 C. La duracion promedio esta a no mas de un ano de la media poblacional
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4. Eddie is on a train moving past Jenna at a speed of 0.6c. Eddie waves to Jenna at four-second intervals as measured in Jenna's frame. Which expression would you evaluate to calculate how long Jenna will measure between waves? . V a. 4 1 - 0.62 b. V1 - 0.62 4 C. 41- 0.62 d. 4 1-0.62
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Could someone help me with these math problems? 1. Compute the product AB by the definition of the product of matrices, where Ab, and Ab2 are computed separately, and by the row-column rule for computing AB. A= : "--[-3 -2] Set up the product Ab,, where b, is the first column of B. Ab1 = 00 (Use one answer box for A and use the other answer box
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I have worked a problem with multiply regression, but I wanted to insure I completed the assignment correctly. The problem is below. Download the "State Crime" Excel sheet; row 2 gives detailed descriptions of each variable, while row 4 gives short versions that should be used in your regressions. Estimate the following multiple regression models

Una compania de investigacion de mercadeo estima que n meses despues de la introduccion de un producto, f(n) miles de familias lo usaran, en donde f(n) = 1.9n(20 - n), 0
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2. Let consider given points: (1,1), (3,2), (4,3), (5,6). (a) Find the best least square t by a linear function (linear regression). Compute the sum of square errors. (b) Find a polynomial of degree 3 that interpolates the points. (0) Find the best least squares exponential t y = plepi't. Compute the sum of square errors and compare with result
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Six footballers are chosen at random and asked to kick a football. The probability of a footballer being able to kick at least 50 m is 0.7. Find the probability at least three of the footballers chosen kick the ball at least 50 m, given that the first footballer chosen kicks it at least 50 m

To solve the equation 1/8 x equals negative 9 , multiply each side of the equation by ____

2 3 2 x 4 3 1 y xy= A. 10 B. 12 C. 19 D. 11

Solve the following system of equations. x2 3y =2 X2+2y =17 If there is more than one solution, enter additional solutions with the "or" button. If there is no real solution, use the "No solution" button. (x, y) = D OVO No solution X
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Mendel's Experiment with Peas. Johann Gregor Mendel (1822-1884) studied the inheritance of seven different features in peas, including height, flower color, seed color, and seed shape. To do so, he first established pea lines with two different forms of a feature, such as tall vs. short height. He grew these lines for generations until they were

If a population is growing exponentially at 5% per year, Group of answer choices a. the population increases by the same number of individuals each year. b. the population increases by the same fraction (%) of the total population each year. c. the number of individuals added to the population each year is higher than the last. b and c None of the

a) Derive equations for In fxy(z; | 1) and In fxy(z; | 0), the (natural) logarithms of the conditional probability density functions in Equations (2,3). For numerical robustness, simplify your answer so that it does not involve the exponential function
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5.7 practice w circle theorems -\\; ' @Q,all arc'ineasiijtanentsm in degrees. are given in leans of 1. Find the value bf
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Can I get some help please? Given X ~ N(300, 15). What can be said of the median' Q It is greater than the average. Q It is less than the average. CI It is less than the mode. 0 It is the same as the average and the mode
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__________ is a technique that creates a route by deciding the next city to visit on the basis of its proximity. ANSWER Unselected The traveling salesman problem Unselected The shortest route problem Unselected Route planning Unselected Nearest neighbor (NN) heuristic

At the animal shelter where Miguel volunteers on the weekends, there were three Siamese cats, four tabby cats, fifteen mixed-breed dogs, and seven iguanas in their cages. If a customer picks any of these animals at random, find the probability that the animal is either a mixed-breed dog or a Siamese cat. Express your answer as a reduced fraction.
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Amy drove on the highways at 70 miles/hour to pick up fruits from her grandma's garden in the morning. She stayed there for two hours. When coming back in the afternoon, she drove on the local roads at 40 miles per hour to avoid traffic. She spent a total of 8 hours for this trip, and drove a total 300 miles. How many miles did she drive each way?

A parallelogram is a rectangle when A) its diagonals are perpendicular B) its consecutive sides are congruent C) its opposite sides are congruent D) all of its angles are right angles

solve on peaper Name: MBF3C - Unit #5B Assignment: Trigonometry SOH CAH TOA SINE LAW: COSINE LAW: sing - EPP tane - sina Jinc a = b' + c' - 2bc cosA A = cos 1 (b tel-a 1. Solve for the unknown variable in each of the following triangles. Show your work for full marks! Round all side lengths to 1 decimal place, and all angles to the nearest degree.
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4. What action or actions can you think of that might minimize agency problems for CompU as Bill expands beyond MSSU? Having a partnership or a board so that he is no longer solely responsible for everything. This would take the pressures of him when it comes to agency problems Would going public in an IPO increase or decrease agency problems?
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How do i solve for the limit of this question? lim ln(sinx)/(pi-2x)^2 as x approaches pi/2

Which of the models has the highest adjusted R-squared? (Remember to briey explain your answer.)
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Here are the questions. 1. We will inkestigate the height, measured in inches, of basketball players in the dataset (variable height); call this variable X. Assume the population values of height are Normally distributed with mean 79 and standard deviation 2.5. a) (2 points) Find the probability a basketball player, selected at random, is shorter
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A scale reads176N when a piece ofnickelis hanging from it. What does it read (in N) when it is lowered so that thenickelis submerged in water?

Question 15. Version 1*/1. Score: 0/2 Graphing Exponential Functions Graph the Exponential Function f(z) = 4(5)" by plotting the Vertical Intercept and one other point. Then write the Vertical Intercept as an ordered pair. 20 19 18- 17 16 Graph the function f(z) = 4(5) -7 - 6 - 5 -4 -3 - 2 N 3 4" 5 6 Clear All Draw: Identify the Vertical Intercept
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What is the derivative of f(x) = (5x + 1) 2 at (2, 121)?

Calculate the volume of the right triangular prism shown below (which is not drawn to scale.) 74 ft. 109 ft. 91 ft. Round your final answer to tenths if rounding is necessary. Enter the value for the area in the first blank and enter the units in the second. Enter units as ft. or square ft. or cubic ft. The volume of the 3-dimensional solid is
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1.In your future endeavors, how do you think you might find yourself applying statistical concepts in the dental field ? Under what conditions might you find yourself creating an Excel pie chart, running a correlation, or interpreting a t-test? At work, for instance, in graduate school, or in research? 2.Where might you stumble on

To collect data, you examine data sampled from the CQI dataset and record whether each are evenly ripe at picking. The results of your experiment are below: Summary data: 18 of the 30 coffee beans are evenly ripe at picking. Evenly Ripe Number of Coffee Beans Yes 18 No 12 What is the sample statistic to 4 decimal places

Let p be a degree 4 monic polynomial (i.e., the leading coefficient is 1). Then lim x?+? ?x p(x)sinx/ 0. p(t)dt Let p be a degree 4 monic polynomial (i.e., the leading coefficient is 1). Then lim p(x) sin x *+ +00 So p(t) dt Select one: O a. is 0 O b. 1/5 O c. does not exist O d. cos x
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Question 5 (1 point) Janet earned $78,000 last year. Tax rate earned on the first $20,000 is 15%; 25% on the next $25,000 and 30% for the remainder of income. What was the amount of tax paid? O 18000 19150 20000 22220
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Question 3 (Logic: truth tables) (a) Draw a truth table for the expression ( ). (b) Draw a truth table for the following two statements r( ) and (r) (Include in only one table). Then use the obtained truth table to decide whether the two statements equivalent. Give your conclusion after the table. Note: (i) Your tables should include all important

22. you have a credit card with a balance of 136190 at 9.5% APR. you pay 400.00 each month on the due date until the card in paid off . howr many months does it take to pay off the card, and what is the total amount paid including interest
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Given the probability density function f(x, ) = ex , 0 x < , > 0.The null hypothesis H0 : = 2 against the alternative hypothesis H1 : > 2 will be tested on the following procedure. H0 should be rejected if a sample x drawn from the population is greater than or equal to 6. Find (i) the probability of Type-I error, (ii) the probability of Type-II

PEDEIJEM 4 [T PTE). In any given year? a male automobile policyholder will make a claim with probability pm and a female policyholder will make a claim with probability pf, where py- 5:5 pm. The fraction ofthe policyholders that are male is n, where i] r: o: 4: l. A policyholder is randomly chosen. If A; denotes the event that this policyholder
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A number of polygonal pieces are glued along their edges to form a surface. There are 30 triangular pieces, 15 squares and 10 pentagons. The resulting surface is a 2-holed donut. Determine the number of vertices on the surface

could someone help me with this question? 4. Solve the ordinary differential equation 12y" - 63! = 10 - 25:):3 . Show that y1 = x3 is a solution to the corresponding homogeneous problem. (12 points)
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If a given set has twelve elements, how many of its subsets have more than two elements? The number of subsets that have more than two elements is
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Which of the expressions below is equal to log(a) - log(b)? Group of answer choices log(a) + log(b) log(a*b) log(a/b) log(b/a) a*log(b) b*log(a)

LetAbe the set of divisors of 36,A={1,2,3,4,6,9,12,18,36}. Draw the Hasse diagram for the poset (A,|). If possible, please provide it in Latex code, thanks!

The velocity v of a freefalling skydiver is well modeled by the differential equation m dv/dt =mg- kv^2, where m is the mass of the skydiver, g is the gravitational constant, and k is the drag coefficient determined by the position of the diver during the dive. (m,k, and g are positive). a) perform qualitative analysis b) calculate terminal

1.Desired Infusion rate: 80 ml/kg/day Baby's weight: 1800 grams How many ml/hr will you set the infusion pump? Round to nearest whole number 2.Desired dose: 2 ml/kg/ D10W bolus Infuse this volume of D10W intravenously at a rate of 1 ml per minute Baby's weight: 1800 grams How many ml's are you going to give? Over how many minutes (round the

'0. With a view to uncovering customer churn patternsI investigate how each relevant variable is associated with Churn. a. For each relevant categorical variable, construct a distribution of the variable with.a churn overlay. You may wish to normalize to increase contrast. Comment on each. h. For each relevant numerical variable; construct a
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You are in charge of purchases at the student-run used-book supply program at your college, and you must decide how many Introductory calculus, history, and marketing texts should be purchased from students for resale. Due to budget limitations, you cannot purchase more than 1150 of these textbooks each semester. There are also sheifspace
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Which type of score-interpretation is most often misunderstood and why

to leach you how to design an exercise program. You will heoretical individual (e.g., healthy adult, athlete, etc.) of your hieving the stated goals for the individual. The project he condensed design and 2) a written section you did. The program page may concise, The ultimate goal of this course is design an exercise program for a t choice that
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Problem 18.15 The present value of an annual perpetuity immediate of 150 is equal to the present value of an annual perpetuity immediate that pays 100 at the end of the first 20 years and 200 at the end of year 21 and each year thereafter. Calculate i. Answer: 3.5265% Can you please show the step by step solution including the formula?

i'm stuck on question 16 and 17 16. Two investors, Brent and Lincoln, invest different amounts of money at the same time for an 8-year period. Brent invests $10 000 at 6% per year and his final amount is given by the formula A = 10000(1.06 )8. Lincoln is shrewder, and was able to invest only $8000 and end up with the same amount at the end. His
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A random sample of 18 closing prices (to the nearest dollar) from the New York Stock Exchange (NYSE) was taken on August 25, 1998, about one week prior to a 512 point (6.4%) loss in the Dow Jones Industrial Index on August 31, and again using the same stocks on September 15, 1998. Both dates were on a Tuesday. The data are shown below. We'd like

Hugo raconte ses vacances. Compltez ses phrases avec un des verbes de la liste au pass compos ou l'imparfait. Questions Word Bank reference Your options are: aller , avoir , faire , neiger , passer , rester , retourner , skier , venir , Question 1 with 1 blank L'hiver dernier, nous 1 of 1 les vacances la montagne. Question 2 with 2 blanks Quand

If you see the subject term statistical models for an article which research method can you assume is being used

How could the catering department at the Woodfield Plaza recover more audiovisual and room rental revenues?

For Math, I would like for the four annotations to be done in one of the three areas listed below, if possible. Concept Development (e.g., understanding the purpose of basic operations and the "why" of different mathematical functions) Computation (e.g., mastering the solving of equations, use of algorithms to solve equations) Problem Solving

Which of the following is a requirement for conducting a multiple linear regression? Group of answer choices The predictors all have positive bivariate correlations with the outcome variable. None of the predictors have significant bivariate correlations with other predictors. The hypothesized relationship between the predictors and the outcome

Question 13. Solve the two-dimensional eigenvalue (Helmholtz) problem with Neumann boundary conditions on the rectangle ? = [0, x [0, H]; V'u = Au = -xu ve = (f'x)A 0 = U . (nA) Hint: Take inspiration from the Dirichlet boundary condition version of this problem we discussed in class. You will need to work out the unit normal vectors
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Graphical and numerical summaries for the length of time the shopper spends on the website, the number of pages viewed, and the mean amount spent per transaction
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Evaluate the function for the given value. Find g(a - 1) when g(x) = 3x - 5. Select one: A. 3a - 8 O B. 3a + 1 O c. 1 32 -5 D. 3a - 5
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Given that f(x) = x - 3 and g(x) = x - x, find (f + g)( -4), if it exists. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. (f+g)(-4) = (Simplify your answer.) O B. The value for (f + g)( - 4) does not exist
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Please help me understand better. Form an equation for the function described by the given characteristics. The shape of f(x) = \sqrt(x), but shifted 6 units to the left and reflected in both the x-axis and y-axis. The shape of f(x) = |x|, but stretched horizontally by a factor of 2 and shifted down 5 units.

Determine the rank of the matrix. 10 -30 4 5) 01 -4 0 00 01 : 0 0 0 0 0
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An example of a symmetrical distribution is: Group of answer choices the number of toddlers of various ages (2- to 4-yrs-old) in a play area the number of children at each grade level at an elementary school (assuming approximately the same amount of children per grade) a distribution with few scores on the low end and many scores on the high end

A press area of a plant has six 400-ton presses in operation 24 hours a day, 7 days a week. Personal monitoring using noise dosimeters has shown that 8-hour time-weighted average (TWA) exposures range from 92.0 dBA to 94.5 dBA

I need help creating a lesson plan for teaching 1st grade math on any of the following(1) developing understanding of addition, subtraction, and strategies for addition and subtraction within 20; (2) developing understanding of whole number relationships and place value, including grouping in tens and ones.. Title of lesson [ ] Subject[ ] Grade

3. A carnival game offers a $100 cash prize for a game where the player tries to toss a ring onto one of man],r pegs. Alex will playr the ring toss game ve times, with an 8% chance of making any given throw. (a) Are Alex's ring tosses Bernoulli trials? [Check all three require ments.) (b) What is the probability that Alex tosses none of the ve
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9. The conjugate base of HCI is a. CI- b. Cl c. Cl2 d. Cl2
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Q2 (4 points) For what integers is a' + a + 2x2 + 1 divisible by 6
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Answer the following questions about measures of central tendency and variability using the 6 datum provided in the box. Do not round when calculating these answers. 11 13 17 17 15 19 Which measure of central tendency should be used if the data are not skewed, does not contain any outliers, and are interval/ratio? Calculate the measure of central

(b) A reflection on your core values and how they help to define you as a leader
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1) What is the margin of error for the population mean at 90% confidence level for the information below. HINT: Since the multiple choice answers below are very close, compute with excel using cell address instead of typing intermediate results and only round the final result using the Number options in the Home tab. Wait Time (minutes) 1.0 5.3

Six questions are in a multiple choice quiz. Each question has 5 possible answers. A student guesses at each question. (2 marks each) a) Find the probability that the student has 4 correct answers. b) Find the probability that the student passes (earns at least 50%) c) What is the student's expected number of correct answers?

A triangle is placed in a semicircle with a radius of2 cm,as shown below. Find the area of the shaded region. Use the value3.14 for ?, and do not round your answer. Be sure to include the correct unit in your answer. \f
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8. Is it possible for us to have the following? Explain your answer. if u LT1 9. Prove or disprove the following system is LTI. If it is, find and sketch its impulse response. -DO X C ) y ( )
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Describe how the graph of g(x) = - - 4 can be obtained from the graph of f(x) = _ X +6 How can the graph of g(x) = - 4 be obtained from the graph of f(x) = -? X +6 X A. Shift the graph right 6 units and up 4 units. O B. Shift the graph right 6 units and down 4 units. O C. Shift the graph left 6 units and up 4 units. O D. Shift the graph left 6
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8 Solve the following system of equations: open curly brackets table attributes columnalign left end attributes row cell 7 x minus y equals 6 end cell row cell 3 x plus 2 y equals 22 end cell end table close (1, -3) (2, 8) open parentheses 1 half comma fraction numerator negative 3 over denominator 4 end fraction close parentheses (-2, 20)

1 2 2 x 4 4 1 y y A. 7 B. 11 C. 9 D. 5

Hi, can someone help me with these questions? StatChapter11: Problem 3 Previous Problem Problem List Next Problem Results for this submission Entered Answer Preview Result 61.5 61.5 correct 139.4 139.4 correct 164 164 correct 32.8 32.8 correct 12.3 12.3 correct 5 5 correct incorrect incorrect incorrect incorrect At least one of the answers above
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9. Graph A has been completed for you. Please trace over the lines with the appropriate colors. The ELR = 11.C per 1000m The DAR = 10.C per 1000m The MAR = 6.C per 100m 10. On Graph B plot the following data: ELR = 4.5 .C per 1000m DAR = 10 C per 1000m MAR = 6.C per 1000m 11. On Graph C plot the following data: ELR = 8 .C per 1000m DAR = 10 C per
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We are given the following function and two values for the variable t. g (t) = 4 - 13+ +2 t= -6 + = 6 (a) Recall that the values of a function can change from one input to another, The net change in the value of a function g as the input changes from a to b (where a s b) is given by the following. g(b) - g(=) State the formula that should be used
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f ( x + h) -f(x) For the function f(x) =x - 1, construct and simplify the difference quotient h The difference quotient is
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Thank you! The Hawks played the Elks in a basketball game. Based on the information to the a. The Hawks scored 11 points in the first quarter. right, complete the scoreboard showing the number of points scored by each team b. The Hawks were behind by 5 points at the end of the first quarter. during each quarter and the final score of the game. c.
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(17 of 21) Your patient is ordered 125 mg of Diphenhydramine, which needs to be duilted in 250 mL of NS. The available strength is 50 mg/ml in a 4 ml vial. The medication needs to infuse for 20 minutes. What is the flow rate in mL/hr? mL/hr Note: Clicking any button other than the Save Answer button will NOT save any changes to your answers! Save
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No.3 please. Determine whether the series is convergent or divergent: \f
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Need help with part 2 of this normal distribution problem, and both parts of the second problem A survey found that women's heights are normallydistributed with mean 52.3 in. and standard deviation 3.1 in. The survey also found that men's heights are normally distributed with mean 6?.9 in. and standard deviation 3.3 in. Most of the live characters
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y=x^4-x^3-28x^2-20x+48 a. How many possible negative real zeros, positive real zeros, and non-real zeros does this equation have, using the Decartes Rule of Signs. please explain how. ^Im not asking for the actual number of each zero type, Im looking for the possible number(s)!! b. How the shape of the graph relate to the equation, what is the

Question 8 options: A researcher wants to determine an interval estimate for the average weight of all gorillas (in pounds). She wants to be 95% certain that she is within 5 pounds of the true average. From past studies, it is known that the standard deviation of the weights of gorillas is 11.6 pounds. How many gorillas should she sample to

Need help with the following: (1 point) Which of the following functions are solutions of the differential equation

Fill in the blank: To ____ a problem is actually to ____ it. solve, define grasp, fix define, solve change, see

The amounts of electric bills for all households in a city have an approximately normal distribution with a mean of $80 and a standard deviation of $20. Letx be the mean amount of electric bills for a random sample of 16 households selected from the city. (a) Compute the meanxofx. x= (b) Compute the standard deviationxofx. x=

You are preparing the bill for a wedding where 85 guests will attend. The price per person is $135.00. The tax rate in the state is 8.25% and the gratuity/service charge is 18%. Your assignment is to: Calculate the price of the wedding. Calculate how much tax will be charged. Calculate how much the gratuity/service charge will be. Calculate the

National Bearings manufactures bearings at plants located in Portland Oregon, Houston Texas, and Jacksonville Florida. To measure employee knowledge of Total Quality Management (TQM), six employees were randomly selected at each plant and tested. The test scores for these employees are given in DATA. Managers want to know if, on average, knowledge

Let N = pq a product of two distinct odd primes. We know that x 1 + k ( n ) x m o d N for all k >= 0, where ( N ) = ( p 1 ) ( q 1 ) , utilizing Euler's theorem, which states in this case that for x ( Z / N Z ) x , x ( n ) 1 m o d N . But this does not mean that there exist elements x of order ( N ) . Prove that, while there does not exist a

Hello please help me with this question thank you. Can you please explain the right answer too. Express log, Vx y , x > 0, y > 0, in terms of p and q, where log, x = p and logby = q. Select one: 3 O a. =pq O b. 1 p+ O C. N/W N O d. p 2 + 9
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A survey asked 1963 respondents whether they favored or opposed a gun law requiring people to have a permit in order to purchase a gun. The responses, categorized by gender, are given in the table below. Gun law Male female total Favor 610 958 1568 oppose 238 157 395 total 848 1115 1963 Given that a respondent favors the gun law, what is the

D a. What do the slope and C-intercept represent in this scenario? 3 e. The Canada Food Guide suggests that a 16-year-old male with a sedentary lifestyle should consume about 2 300 calories per day. Use the linear equation to determine the number of additional quarter slabs a 16-year-old male could eat and still stay below the daily recommendation
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Hi, I have trouble solving this question. please help. thank you! Determine whether the series is convergent or divergent by expressing 3n as a telescoping sum (as in Example 8). ac 2,1251 n=5 0 convergent '\" divergent J If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.) X
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Is the following survey question biased? "Do you listen to the radio station WALK?" No, the question does not encourage a particular response. O Yes, the question does not encourage a particular response. No, the question encourages a "yes" response. Yes, the question encourages a "yes" response
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