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Mathematics Questions and Answers July 05, 2021

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The weekly salaries of teachers in one state are normally distributed with a mean of $490 and a standard deviation of $45. What is the probability that a randomly selected teacher earns more than $525 a week?

SUN POSSIDie Find the value of the trigonometric function. Round off the result Measurements of Accuracy of according the provided table. Angle to Nearest Trigonometric Function sec 29.9 10 2 significant digits 0. 10 3 significant digits 0.010 4 significant digits . . . th sec 29.9 = wi
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To have $2 million in 36 years, you should deposit $909 each month. $________ of the $2 million comes from interest

From a sample with n=8, the mean number of televisions per household is 3 with a standard deviation of 1 television. UsingChebychev's Theorem, determine at least how many of the households have between 1 and 5 televisions. At least nothing of the households have between 1 and 5 televisions.

The total sales of a company(in millions ofdollars) t months from now are given by \f
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Please show full solutions and all calculations please!!!: 2x 2) Determine the absolute maximum and minimum values of f (x) = given the interval - 2
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Please help me solve this A study was conducted that measured the total brain volume (TBV) (in mm3) of patients that had schizophrenia and patients that are considered normal. Table #1 contains the TBV of the normal patients and Table #2 contains the TBV of schizophrenia patients ("SOCR data Oct2009," 2013). Table #1: Total Brain Volume (in mm3)
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Exercise 2 Emerging research has identified Secondary Traumatic Stress (STI) as an "occupational hazard" for those helping professionals whose work focuses on providing child welfare to children. On a daily basis, child welfare (BI) professionals are exposed to traumatic or abusive events that are reported to them by children and adults who live

38% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Use the binomialpdf function in the calculator to find the probability that the number of college students who say they use credit cards because of the rewards

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Section 1.7-Differential Equations and the Principle of Superposition 1.12 (M) Linearize the differential equation # + 3+ cos (@) + (x - 2)= 0 about c 1-13 (M) Linearize the differential equation + + 323 -623 + 7sinc = 0 about a 1.14 (M) Linearize the differential equation + + 72 + 573 = 0 about r = 2, - -3
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Review A force of F = 250 N is applied to the end at B. (Figure 1) Part A Determine the speed of the 10-kg block when it has moved 3.5 m , starting from rest. Express your answer to three significant figures and include the appropriate units. U = Value Units Submit Request Answer Next > Provide Feedback Figure
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Help solve for all parts To test the belief that sons are taller than their fathers, a student randomly selects 13 fathers who have adult male children. She records the height of both the father and son in inches and obtains the following data. Are sons taller than their fathers? Use the a = 0.01 level of significance. Note: A normal probability
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Suppose that we take a random sample of 49 people from this segment of the population.What is the probability that the mean number of days of disability of this sample will be greater than 6 days?

This questions is actually part of the questions on your website, and I would really like to know the answer to this 25. Determine the number of pathways from A to B if you only move right and down following the roads on this map. A A. 18 B. 36 C. 55 D. 84
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Problem 5 (Submit) Heat equation Apply the method of separation of variables to solve the heat, equation m = In,\" for t > 0, 271' S .1: S 211'. with periodic boundary conditions Bu(27T, t) _ Bu(2ar, f.) 1 2 ,t 21,2 ,t, and , L( W ) 1(7T ) 6:3 (9.1: and initial condition u(:17,0) : costs/2) + Slll(.'12). Show all the cases when solving the
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Which of the following is not a mistake in writing an email? Question 3 options: Always using Reply All Not checking the grammar and spelling Using capital letters and many exclamation points Signing the email even with a signature box present None of the above

pls answer it The matching rule is applied * O as a practical expedient in bookkeeping. to aid in producing financial O statement that faithfully present an entity's performance. O to comply with the tax requirements. by expensing items immediately O and in its entirety in the financial statements
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Question 1 An arithmetic sequence is given by the formula Pn = Pn-1 + 10 where the sequence starts at Po = 2. Find the sum of the first 700 terms of this sequence: 2 + 12 + 22 + ... + 6992 Sum = Question Help: Video Message instructor Submit
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The function f(t)=8000 e^ 0.06t represents the rate of flow of money in dollars per year. Assume a 15-year period at 8% compounded continuously. Find(a) the presentvalue, and(b) the accumulated amount of money flow at t=15.

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help please.. can some help me with these X bar symbol sample and etc....... X= sample mean U = population mean S = sample standard deviation O' = sample size p = [ Select ] r = [ Select ] 2 = [ Select ] p (rho) = [ Select ] n = [ Select ] Q1 = [ Select ]
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urses/28289/assignments/796800? module item id=2360201 Question 15 A A wire 14 cm long is cut into two pieces. The longer piece is 4 cm longer than the shorter piece. Find the length of the shorter piece of wire cm Submit
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HW Score: 0%, 0 of 10 E Homework: HW 4.4
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D bcps.schoology.com/common-assessment-delivery/start/594171669 Faction=onresume&submissionld=866515846 Apps BCPS Links & Home | Schoology Applied Education.. M Gmail Remote Desktop.. Youtube Maps > Mean, Median, Mo.. L soc_crimin POSSIBLE POINTS: 3 a. Highlight the graph of 3x - 2y -- 1 red by dragging your finger along the indicated line b.
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Math plays a vital role in the delivery of services in a healthcare environment. Sometimes the math appears in an obvious, straightforward statement, but some orders are more complicated because of the available form of medication, fluids, or treatment modality that has been prescribed. Take a moment to write down a statement or two regarding how

If you save $100 in bank with 4% annual interest rate for 3 years. What is the interest on interest you get? $0.28 $0.43 O $0.49 O $0.59
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Simplifying Exponential Expressions Practice Worksheet 1. 3a b 2. 4x y 3. 2a 4. (2x*y') (3xy)) 5. 25x y z* 6. (-2a b)* 3xy 29a 8. 624
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what is the domain and the range for this function? Give the domain and range for the function. (use for y s or z "> >= or
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Question 3 Suppose that z varies jointly with the cube of x and the square of y. Find the constant of proportionality k if z = 80 when y = 2 and x = 2. K = Using the k from above write the variation equation in terms of x and y. Z = Using the k from above find z given that y = 9 and x = 7. Z = If needed, round answer to 3 decimal places. Enter DNE
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Incorrect Your answer is incorrect. Each marble bag sold by Maya's Marble Company contains 4 blue marbles for every 3 orange marbles. If a bag has 15 orange marbles, how many blue marbles does it contain? 26.35 blue marbles X 5 ? Recheck Try one last time Submit Assignmer
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Question 47 The cone shown here has a height of 10 feet and a diameter of 12 feet. What is the slant height of the triangle? Round to the nearest hundredth. slant height COSS.MATH.CONTENT.8.G.B.7 X a. 6.63 feet b. 15.62 feet c. 4.69 feet d. 11.66 feet
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Express all real numbers greater than3in interval notation

What is the Pythagorean theorem? Explain how the Pythagorean theorem may be proven using squares. How can the Pythagorean theorem be used to find distances on a plane?

(a) A flute instructor examined student progress. He found that playing a longer song does not necessarily mean that a student will have more or fewer wrong notes. What can he conclude? oThere is no correlation between song length and number of wrong notes. OThere is a correlation between song length and number of wrong notes. There may or may not
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Which of the following statement about regression is NOT correct? Question 22 options: a) Regression can be used in prediction b) Regression can be used to establish cause-and-effect relationship c) The higher the correlation the better we can use regression to predict d) The lower the correlation and closer the plotted values to the regression

Estan representados los precios unitarios de las motonetas en funcion del modelo y las cantidadaes vendidas en el primer y segundo trimestre de 2 019 por una vendedora de motonetas respectivamente. Con base a estos datos, calcule los ingresos obtenidos por dicha vendedora en el primer trimestre de 2 019
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Given a differential equation, state the order and degree, linear or non-linear, and ordinary or partial. \f
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Find the solution of the following differential equation. First Order Linear DE and Bernoulli DE \f
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5. A diet consultant graphs the 1-month weight loss for a patient who weighed 2784 pounds. How much did the patient weigh after 4 weeks of dieting? 14 12 11-1/2 10 9-3/4 8-1/4 7-1/2 WEIGHT LOSS IN POUNDS Cengage Learning 2013 N WEEK 1 WEEK 2 WEEK 3 WEEK 4
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Description 1. As the assistant to the executive housekeeper of the 400-room Royal Hotel, you have been asked to open the department on Monday, June 15. On arriving to work at 5:30 in the morning, bu receive the front desk report, which states that the number of occupied rooms the night of Sunday, June 14 had been 385. Checking the adjusted daily

Solve by the substitution method. (If there is no solution, enter NO SOLUTION. Use the parameters x and y as necessary.) 3 x y = 6 6 x 2 y = 6 ( x , y ) =

There is a square matrix whose columns are linearly independent but whose rows are not. True False

Consider the question in the image given. 3. Consider the quadratic form f : R2 - R 4(x1 + 3x2)2+ 3(21 -22)2. X 2 (a) Find matrices P, DE M2(R), with D diagonal, such that f (x) = (PT x) TD(PTx) for all x E R2. The matrix P need not be orthogonal. Hint: Begin by writing the expression 4(x1 + 3x2)2 + 3(2x1 -x2)2 in the form my + H245 for some new
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The diameter of a hydrogen atom is aboutmeters. A protein molecule has an overall length of 3000 times (ortimes) the diameter of a hydrogen atom.

Below are measurements of blood alcohol concentration (BAC) for randomly selected drunk drivers involved in fatal crashes and then given jail sentences. Find the mean, median, and mode of the listed numbers. Are these data consistent with laws stating that it is illegal to drive with a BAC level above 0.08? 0.27 0.270.18 0.180.18 0.180.16 0.160.13

A new video game is being developed and the data below shows how long it took for a group of testers to complete the first level. Time (minutes) No of testers 35 < 45 5 45 < 55 11 55 < 65 15 65 < 75 26 75 < 85 19 85 < 95 13 95 < 105 6 Calculate the average time taken

Can you please help me with this question asap I really need it done in 30 mins Tysm 4. Given the graph of y = f (x) , sketch the graph of y = f (x) on the same grid. State the domain and range of each graph. (6 marks) a. b. y= f(x) of y= f ( x) ) Domain of y = f (x) : Domain of y = f (x) : Range of y = f (x) : Range of y = f (x) : Domain of y = f
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We wish to estimate what percent of adult residents in a certain county are parents. Out of 500 adult residents sampled, 60 had kids. Based on this, construct a 90% confidence interval for the proportion, p, of adult residents who are parents in this county. Give your answers as decimals, to three places.

Use the properties of logarithms to expand the expression as a sum, difference, and/ or constant multiple of logarithms. (Assume the variable is positive.) In( ( xy ) 4 ) Need Help? Read It Watch It
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Given a correlation of Coefficient of 0.42, what is the ratio of SSR/SST? A) 0.00 B) 0.42 C) 0.48 D) 0.18 A regression equation is computed to be Y=15.8+11.2X. We know the corresponding SST=685 and SSR=282. What is the correlation coefficient? A) 0.83 B) 0.41 C) 0.64 D. Cannot be computed from data available

You will use vector functions to develop a simple model for 3-point basketball shots. To keep the model simple, we will be ignoring air resistance, friction, and other forces. Furthermore, by "scoring," we will mean that the ball falls straight into the basket on its way downward (i.e., we will ignore the possibility of the ball bouncing in off

Josephine has six chemistry books, 3 history books, and 8 statistics books. she wants to choose 1 book of each type to study. in how many ways can she choose 3 books?

1. Consider the matrix A = \f
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Bb Homework Assignment Chapte x Question 5 - Homework Assign *Search Results | Course Hero x Course Home X CC SCSU WebEx - Meeting Detail X C A ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fconnect.mheducation.com%252Fc... Q OM Update : Homework Assignment Chapter 1 Saved Help Save & Exit Submit
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1.) A line segment AD, contains points B & C such that C is between A and D, and B is between A and C. If AB = 6, BD = 23, and AB = CD, find the length of segment AD. 2.) Find the hypotenuse of a right triangle with side lengths of 5 and 7. Round your answer to one decimal place.

A rectangular floor is 18 feet long and 12 feet wide. What is the area of the floor in square yards

I bought a used Mustang rag-topsight unseen at an online auction. It ran great! I drove it round and round Steveston wearing my new aviator shades until the cops waved me on. When I got home I looked in the trunk and found a gym bag stuffed with $20 notes. It amounted to $15,000. I knew if I reported it I would face a lot of questioning. What to

A) find p1 and p2B) Find the ...# of male successes and failures # of female successes and failuresC) Since there are at least 10 successes and failures in both samples, the assumption for constructing the confidence interval met. Construct the 95% confidence interval 10.1.5-1 Question Help Let p, and p2 denote the population proportions of males
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A bicyclist is training for a race on a hilly path. Their bike keeps track of their speed at any time, but not the distance traveled. Their speed traveling up a hill is 3 mph, 8 mph when traveling down a hill, and 5 mph when traveling along a flat portion. Part A. Construct linear models that describe their distance, D in miles, on a particular

The Chens bought a $349.000 house. They made a down payment of $45,000 and took out a mortgage for the rest. Over the course of 15 years they made monthly payments of $2565.33 on their mortgage until it was paid off. (a) What was the total amount they ended up paying for the house (including X the down payment and monthly payments)? (b) How much
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t^2 y'' 4ty' + 6y = 0, t > 0; y1(t) = t2 using reduction of order

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b. 180 C. 45 d. 60 34. What can you conclude from the diagram of OO? (O is the point where the lines intersect.) A B D a. AD = BC m/B = m/D C. m ZA = m LC d. All of these statements are true. 35. Find AB in Q O
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Question 14 (5 points) Given the graph, write the equation. No answer provided (y+1)2 (x-3)2 a. 16 (x-3)- (+1)2 9 16 (x+3)- ( = 1 C. 9 16 (x-3)- ()+1)- 1 16
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I need help solving this: Let R be the region delimited by the graph of the function f(x) =xV, for 05x $15, the X-axis and the vertical line X= 15 I Find the maximum area one can encompass with a rectangle inside of R. y - axis J= VX (a, Va) (15, va) Rectangle (a,0) x = 15 x - axis English (United States) Focus E
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1. Use the definition of the Laplace Transform (given in Section 7.1) to find F(s) for: t 0
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Score: 39/50 Penalty: none Question Watch Video Show Examples Determine the relationship between the two triangles and whether or not they can be proven to be congruent.
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Good day Can you please assist with the following question The cost of production for a certain television is given by: st \f\f
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Imagine an urn with two balls, each of which may be either white or black. One of these balls is drawn and is put back before a new one is drawn. Suppose that in the first two draws white balls have been drawn. What is the probability of drawing a white ball on the third draw? Is this solved by 1/2 * 1/2 * 1/2 ? Thank you for the assistance.

A study was conducted to determine whether there were significant differences between medical students admitted through special programs (such as retention incentive and guaranteed placement programs) and medical students admitted through the regular admissions criteria. It was found that the graduation rate was 91.5% for the medical students

What could we do if we wanted to cut margin of error in half?

___ Find the monthly payment and estimate the remaining balance. Assume interest is on the unpaid balance. Twenty-year mortgage for $210,000 at 3.78%; remaining balance after 12 years. M ._. emu The monthly payment is $D. (Round to the nearest cent as needed.)
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a) Describe a general procedure to decide the following question: Given a linear map T : R2 > R2, determine whether there is a basis B of R2 so that the matrix ofT relative to B (the "B-matrix" [T]B) is diagonal. If 50, nd the basis and diagonal matrix. b) Demonstrate your procedure at the example T([a:1,a:2]T) = [5:01 + 4552, 4:v1 51:2]T
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1.At a movie festival, a team of judges is to pick the first,second,and third place winners from the 27 films. How many possibilities are there? 2.At a lottery 48 tickets were sold and three prizes are to be given. A. how many possible outcomes are there if the three prizes are equivalent? B. How many possible outcomes are there if the possible

BI. A manufacturer of food products uses package liners that are sealed at the top by applying heated jaws after the package is filled. Customers peel the sealed liners apart to open the packages. The question of interest is: "What effect does the temperature of the jaws have on the force needed to peel the liners apart?" To answer this question,
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Here is the question Theoretical probability can be used to predict the likelihood of an event. If a single, 6-sided die is rolled there are six possible outcomes. That is, after rolling the die, the side facing up will show one of six possibilities: 1, 2, 3, 4, 5, or 6. The theoretical probability that the die would land with a "2" on the side
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Magic select Mixed reality 3D view A medical laboratory technologist (MT) notes that a patient's hemo- globin (Hgb) level was 101/2 grams (g) after surgery. The patient then received two pints of blood and the Hgb level was 15 g. What was the increase in the hemoglobin level after the patient received the blood? A surgical technician (ST) must
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Consider an array containing the following 20 values: 3, 5, 2, 10, 9, 2, 3, 2, 8, 4, 5, 1, 6, 12, 7, 9, 8, 8, 4, 1 (a) Draw the segment tree allowing range queries on these values. (b) Draw the corresponding Binary Indexed Tree (= Fenwick tree) for the same.

please help me! our lesson is about "solving problems involving interest" and "proposition" 1. What is the maturity value of a 300,000-peso debt payable in 2 years at 8 1/4% simple interest? A. P795,000 B. P49,500 C. P5,250,000 D. P349,500 2. Determine whether the statement is a proposition or not. If it is, then identify whether it is simple or

need help with this A circle of radius r has area A = ml. If a random circle has a radius that is uniformly distributed on the interval (2, 3), what are the mean and variance of the area of the circle? E(A) V(A)
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PV of salvage value PV of future cash flows NPV of project IRR of project
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Please help me answer the following, Only the odd numbered problems 1,3,5,7,9. I really need help right now, Shortcut answers is okay as long as the process are still clear, and accurate answers please...thank you! SUMMARY OF FORMULAS 1. Amortization 2. Sinking fund A = Ra mi S = RS mi A S R = R = Smi 3. Outstanding Principal a. prospective method
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Solve the inequalities, if possible, and graph. 1. 1-76-15 2. b + 12 2(41 + 4) 9 . (2p - 14) > -p-6 -8 -2 4 10 Solve and check the inequality, if possible. 10. (8m + 4)
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The amounts of time per workout an athlete uses a stair climber are normaly distributed, with a mean of 23 minutes and a standard deviation of 7 minutes. Use the normalcdf function in the calculator to find the probability that the time a randomly selected athlete uses a stair climber is less than 19 minutes. PLEASE HIGHLIGHT YOUR ANWSER

Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is StartSet nothing EndSet . (Use a comma to separate answers as needed.) B. The solution set is (minusinfinity,infinity)

3. The Tinyton Public School Board is taking bids on the city's four school bus routes. Four companies have made bids. X denotes that a particular company did not make a bid on a particular route. 2500 3000 1500 4000 4000 3000 2000 4000 5000 a. Assume the bidder can be assigned only one route. Minimize Tinyton's cost of running the four bus
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Question 4 - Learning Outcome 5 [3t] marks) Yo u are a claims handler for an insurer specialising in household insurance. One of the policyholders has home insurance, which includes buildings and contents coyer. When the insurance policy was incepted the policyholder conrmed the property was their permanent residence. The policyholder noties you
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Problem 1 Given: The mean is going to be 14 [140%] and the standard deviation is 5 [4+1] We are nding the probability of a patient with a glucose level mun rogfdl In order to find this probability, we must obtain a a score, which will. tell the number of standard deviations from the mean. Part A: The a score can be calculated using the mater
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Find the probability of P (0.50 z 1.02). Round to four decimal places.

5. (10 points) Chapter 15 Problem 7. Use POM-QM for part (c). Note that MSE value (required for part (b)) is an output of POM-QM software
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As you read through the article "Teams in Space Exploration: A New Frontier for the science of Team Effectiveness: Eduardo Selas1, Scott I. Tannenbaum2, Steve W. J. Kozlowski3, Christopher A. Miller4, John E. Mathieu5, and William B. Vesseyo, think about how the concepts the authors talk about relate to the content of the module (teams and
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You are to state which SDGs (and performance indicators ) that encompasses your work. (NB Government spending impacts on all SDGs. This question is only concerned with those relating to Development partners and some parts of improving institutions and you must be specific as to those that directly relate to your Technical Assistance work) (10%)
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Rectangle LMNO is translated using the rule (x, y) (x + 2, y + 2) to create rectangle L'M'N'O'. If a line segment is drawn from point L to point L' and from point O to point O', which statement would best describe the relationship betweenand?

En una muestra de 290 controles remotos, 7 fallaron durante el periodo de garanta de 80 das. Estime el intervalo de confianza del 90% para la proporcin de controles remotos. Suponer que la poblacin est distribuida normalmente.

10. (a) If A is invertible and AB = AC, then prove that B = C. (b) If A = 1 1 find two matrices B + C such that AB = AC
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Mariah is setting up a volleyball net in her backyard. The poles to hold the net up are 10 feet high. Mariah needs to run a wire from the top of the pole to the ground to help make sure that when players hit the net, the pole doesn't fall down. This wire is called a guy wire. If Maria runs the wire from the top of the pole to a point on the ground

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