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Mathematics Questions and Answers September 30, 2021

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(a) On the lee side of the mountain, is the relative humidity of the parcel increasing or decreasing as it descends from
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1-2 sin square pie/12, solve using a double angle formula

l. A loaf of bread has a volume of 2270 cm3 and a mass of 454 g. IMIat is the density of the bread?

solve these USE the data set 3; a: T 2 5t] 15 1011] 30 4t] 1t} 7t] '20 {3} Plot the data. {h} Fit a regression line through the origin. is} Plot the regression line on the graph with the data. {d} Give a general formula {in terms of the pi and the slope s1} for the esh'mator of 02. {e} owe a formula forVar (i ) r= 1, 2, . . . , n, for this case.
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Please solve this problem (3) When two electrical resistors with resistance R1 > 0 and R2 > 0 are wired in parallel in a circuit, the combined resistance R, measured in ohms (Q), is given by l_i+i R _ R1 R2 (a) Find 3]: and 5}: after solving for R (e.g., R = ....) (b) Describe how an increase in R1 with R2 held constant affects R. (Will R increase
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Problem 1. The first part of the implementation is to write some preliminaries useful later. a) We're often going to need to use some form of trial division. Write a function that given a number n and a list of primes p1, . . ., p, computes a factorization 1 2 . . . Pr n = PI P2 ar . S. where god(p;, s) = 1. The function should return the vector
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c. X and Y are continuous random variables with joint probability density function: f(I, y) = ay', 1gr20
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Can someone help me with this page please! Do You KNOW HOW? For Exercises 6-11, find each value of x. Do You UNDERSTAND? 7. 1.47 ESSENTIAL QUESTION When parallel lines intersect two transversals, what are the relationships among the lengths of the segments formed? 2. Error Analysis Carmen thinks that AD = BD. What is Carmen's error? @ MP3 8. 16 12
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Mrs. Jones is flying an airplane at an altitude of 1520 feet. She sees the runway at an angle of depression of 30. What is the horizontal distance from the runway at this point to the nearest whole number?

This question asks if body temperatures are (at least approximately) normally distributed ((k) below). A study done at the University of Maryland (cited in Weiss, Introductory Statistics, 7th ed, 2005) measured the body temperatures of 93 healthy humans. I have listed the values in order, from highest to lowest. I have included a frequency
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1. You deposit $100 each month for 35 years into an account earning 3% interest compounded monthly. Round to the nearest cent as needed. a) How much total money will you put into the account? b)How much will you have in the account in 35 years? c) How much total interest will you earn? 2. You deposit $400 each month for 15 years into an account

A mid ranked law school finds the following relationship between LSAT scores and first year scores (for students who finish the first year).average LSAT score = 150 SD = 5average first year score = 65 SD=10 r=0.60The scatter diagram is football shaped. Question 17. About what percentage of all students at this law school had first year scores For

I need help with Part 3 of this question and i have attached rest of answers. Consider the following data representing the total time (in hours) a student spent on reviewing for the Stat 3309 final exam and the actual score on the final. The sample of 10 students was taken from a class and the following answers were reported. time score
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8. A set of data is normally distributed with a mean of 100 and a standard deviation of 25. Approximately what percent of the data would you expect to be between 75 and 100? a) 48 % b) 16 % c) 50 % d) 34 %

Suppose we have the following facts about customers buying alcohol at the Liquor Mart: 55% buy wine (W). 40% buy beer (B). 6% buy wine and vodka (V). 5% buy beer and vodka. 50% buy beer or vodka. 2% buy wine and beer and vodka. If we randomly select a customer, what is the probability the customer buys only wine?% buy wine and beer.

Quiz: Module 6 Quiz Question 12 of 15 This quiz: 19 point(s) possible Sub This question: 1 point(s) possible Resume later The Video "The Math and Magic of Origami" describes several examples in which scientists and engineers use origami to solve problems. Which of the following is NOT one of the applications described? O A. A heart stent O B. Air
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If raindrops are falling vertically at6.30m/s, what angle from the vertical do they make for a person jogging at2.79m/s?(Enter your answer in degrees.)

Suppose the ball is thrown from the same height as in the PRACTICE IT problem at an angle of 33.0 below the horizontal. If it strikes the ground 39.5 m away, find the following. (Hint: For part (a), use the equation for the x-displacement to eliminate v0t from the equation for the y-displacement.) (a) the time of flight 1.51 Incorrect: Your answer

One hundred WHS students were asked how many times a week they eat fast food. Using this information, please identify the following: Population: Answer All whole numbers n = 100 WHS students who were asked All WHS students All high school students in the US Favorite fast food N = 100 Number of times eat out Sample: Answer All whole numbers All WHS

Which word root means own? Multiple Choice O Presby/o O Retin/o O Corne/o O Propri/o

6.9 The normalized message signal m. (f) has a bandwidth of 5000 Hz and power of 0.1 Watt, and the channel has a bandwidth of 100 kHz and attenuateon of 80 dB. The noise is white with a power spectral density 0.5 x 10-"? W/Hz, and the transmitter power is 10 kW. * 1. If AM with a = 0.8 is employed, what is ($
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Questions 7-8. Your friend's office is having a weight loss contest, the winner will get $100. The participants' weights are in the table below: Start Finish Absolute Relative 145 lbs 120 lbs Phil 230 lbs 180 lbs l Mary 120 lbs 99 lbs 7. Find the absolute and relative changes for the participants. Fill your answers in the table. (enter the
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v learn.hawkeslearning.com C + 0 M f my.charlotte.edu 7.2 Exponential Models Lesson 7.2 Certify Mode Question 6 of 10 Step 1 of 1 1... Course Hero + Save & Exit Certify Lesson: 7.2 Exponential Models DYLAN WALLACE 3/11 Question 6 of 10, Step 1 of 1 Correct The population of a certain inner-city area is estimated to be declining according to the
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Disifey (focusing Off Life Inlemme Falk) to do Life fufufel TesealCHI OI Wife Collipally 's latest challenge, and analyze by Environmental Scanning theory (external: social environment and internal: cultural environment-corporate culture) on their challenges, and how the company deals with their solutions. In the end, please give your own
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Use the Left and Right Riemann Sums with 80 rectangles to estimate the (signed) area under the curve of y=e^(5x)13 on the interval of [10,20]. Write an answer using the sigma notation. 79 Left Riemann Sum= _____________ i=0 180 Right Riemann Sum= _____________ i=1

Luego de estudiar la informacin en el mdulo y haber observado cuidadosamente los ejemplos provistos, reflexione sobre las siguientes preguntas abordando los estilos Rococ y Neoclsico. Responda las siguientes preguntas: Rococ Qu se entiende por Rococ? Dnde se desarrolla el Rococ, y de que deriva su nombre? Cules son las caractersticas generales del

Need help figuring out this problem i have attached a snip it of the problem please show all work. {a} Suppose the total prot of a company is y = P(x) thousand dollars when m units of an item are sold. 1. What does w 2. What does Pr [:3] measure, and what are the units? 3. Suppose that P' (30) = 5, what is the approximate change in prot if the
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How to find the interval for confidence interval Translate the statement into a confidence interval. Approximate the level of confidence In a survey of 1096 parents of children ages 8-14, 63% say they are willing to get a second or part-time job to pay for their children's college education and 36% say they lose sleep worrying about college costs.
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When they go on road trips, Brady likes to have everything planned out in advance - where they will stop for the night, where they will eat, and what attractions they will visit. On the other hand, Josh prefers to just hop in the car and see where the road takes them. This is an example of: Group of answer choices Similarity-Difference.

Find the distance between the two points(5, -6 , 8)and(-10, 6, -7). Give your answer as a decimal number, to one decimal place.

What are the Answers to all theses questions? Example 12 Self Tutor The use of brackets is Expand and simplify: essential! a 1 - 2(x + 3)2 6 2 ( 3 + 20) - (2 + 2) (3 - 20 ) a 1 - 2(x +3)2 b 2(3 + 2) - (2 + 2) (3 - 20) =1 - 2x2 + 6x +9] - 6+2x - [6 - 2x + 3x -x2] =1 - 2x2 - 12x - 18 = 6+ 2x - 6+ 2x - 3x + 22 = -2x2 - 12x -17 = 2 + x 5 Expand and
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28. Just thinking - calculus will not help with this one . ( a) Four towns are located at the corners of a square . What is the shortest length of road we can construct so that it is possible to travel along the road from any town to any other town ?" I four towns 6. at the Comers Of & EQUATE* Poor better best L. = ] 1 = 2. 8`
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A pet food wholesaler produces a dog food mixture that is sold to pet retail outlets in bags of 10 pounds each.The food mixture contains turkey and beef. The cost per pound of each of these ingredients is as follows: Ingredient Cost/pound Turkey$2.00 Beef$5.50 Each bag must contain at least 5 pounds of turkey.Moreover, the ratio of turkey to beef

After some calculation and some thought, you conclude that Tiffany has to increase her revenues, perhaps by achieving greater volume, or perhaps by raising her selling price. Write a short report directed to Ms. Tiffany Hopkinson with your recommendation on how to increase revenue, supported with a proforma contribution income statement which
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1 (06.02 MC) A sports club rewards teams based on overall points earned in a season. The data for points are shown in the table, where Low represents the fewest points scored and High represents the highest points scored by a single team member Team Low High Range Mean Median IQR G Team D 149 205 56 174.2 168.5 28.75 17.7 Team E 185 292 107 228.3
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The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45. With what speed must the animal leave the ground to reach that height?

A B \f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f
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solve these There are important applications in which, due to Known scientic constraints, the regression line must go through the origin he, the intercept must be zero}. In otherwords, the model should read Y :lfcaIea, i:l,2,...,n, and only a simple parameter requires estimation. The model is often called the regression through the origin model.
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Assume you have a chocolate bar consisting of 45 small squares. Your task is to split the bar into small squares (always breaking along the lines between the squares) with a minimum number of breaks. How many will it take

Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follows: I am finding the Relative Frequency and Cumulative Relative Frequency 0 4 1 10 2 6 3 4 4 1

Find dy/dx or y': y=(2x-1)^(3)\cosh 4x y=sinh^(-2)\sqrt(x^(2)-1) y=\tanh ^(-1)(1-2x) y=\csch ^(-1)(\tan x) y=\coth ^(-1)(\cosh x)

Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worked for 15 hours. Together they charged a total of $2950. What was the rate charged per hour by each mechanic if the sum of the two rates was $235 per hour? First mechanic: $ per hour X Second mechanic: $ per hour
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This exercise refers to the following system. x- y + z=4 -x + 6y + z=2 3x ty - 22 = 2 If we add 4 times the first equation to the second equation, the second equation becomes > Next
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Ho do you make a detailed algorithm? You are an Algorithm Engineer for an automotive company and you have been put in charge of a project to make a program to improve something of your choice on their vehicles. The improvement can make the car safer, more convenient, or just look better. Be creative. You and your team must submit the following to

It should be clear in your work which move each player plays in each stage (you can explain this, or you can demonstrate an established pattern as part of your calculation). (d) Find do > 0 such that the strategy profile (o, o) is a Nash equilibrium of the repeated game whenever the discount rate d > do
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Add the following two binomials. (5v + 3v^7) + (-10v^7 - v)

Let x be a function defined by for x>0 f(x) = (|x-4|)/(x-2) for x 5. (28 points) Let f be a function defined by lm-'ll f(a:)= mZ exsingm ifacSO W$>O whenever it is defined. (a) (2 points) Represent f as a case-defined function over its natural do main without using the absolute value function. (b) (8 points) Compute f' whenever it exists. When f
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I. First, study the painting then write in the box all the objects, actors, images, elements you see. After writing all those important components, analyze the following statements then identify whether it is a factual meaning (F), conventional meaning (C), or subjective meaning (S). \f\f
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(Choose 1 answer) Expedia would like to test the hypothesis that the proportion of United Airline flights that arrive on-time is less than 0.80. A random sample of 110 United Airline flights found that 82 arrived on-time. Expedia would like to set the significant level to be 0.02. The test statistic for this hypothesis test would be: A. -2.77 B.

so that it is as large as we dare make it (you decide if you should allow some margin for error), but as inexpensive as possible. Here are the costs involved: The metal for the sides that is used costs $20.00 per square foot The metal used for the two semi-spherical end caps cost $35.00 per square foot Since the metal to construct the cylinder

The Cooperative Roue Libre rents, maintains and repairs bicycles. It must soon move to new, more spacious, modern and efficient premises. To this end, the management wishes to set up a maintenance workshop (type 1) there. The cost associated with setting up the workshop (equipment and fittings) is $10,000. Servicing a bicycle for a customer

What is the monthly finance charge on a balance of $1286 with an APR of 18.99%? (round to the cent)
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Submit by Saturday 11:59 p.m. Assignment - (50 points awarded weekly. Must submit a Work Hour Log every week.) o Report the number of hours you worked each day of this week. o Requirements: Report your hours in a template of your creation in the following format: Monday - Tuesday - Wednesday - Thursday - Friday - Saturday - Sunday - Total Hours =

This questio Find the best buy (based on price per unit) for cereal. 15-ounce size: $4.29 20-ounce size: $3.89 35-ounce size: $6.09 en The best buy is the -ounce size. da int bra
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id like to know if the fundamental solution is consistent with the general , inhomogenous solution

Find the regressionequation, letting the first variable be the predictor(x) variable. Using the listedactress/actor ages in variousyears, find the best predicted age of the Best Actor winner given that the age of the Best Actress winner that year is 27 27 years. Is the result within 5 years of the actual Best Actorwinner, whose age was 44 44

The lifetime of lightbulbs has a mean of 1500 hours and a standard deviation of 100 hours. A sample of 50 lightbulbs is tested. What is the third quartile for the sample mean lifetime of lightbulbs?

Determine whether the statement is true or false. On a pie chart, a category representing 20% of the whole should correspond to a central angle of

Please answer and show work Consider the list of values that represent the balance In an account that has been growing exponentially for five years. Determine the growth factor that can be used to multiply each value to determine the next value. Round to two decimal places as necessary. Time Value Today $2000.00 After 1 year $2680.00 After 2 years
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Add the following fractions and reduce to lowest terms. (Enter a reduced fraction.) 1 4 + 3 8 + 1 16

Simplify the expression by adding the polynomials: (-2z^2 - 2z -6) + (-10v^7 - v)

5. Is ZI acute or obtuse for cos ) = 0.904 ? Briefly explain. 6. Determine ALL measures of ZK : a. sin K = 0.346 (there are 2 measures) b. tan K = -0.882 7. Carol is designing a cylindrical water bottle. The water bottle should hold a volume of 920 cm'. What should its dimensions be (radius, diameter, and height), to minimize the amount of
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Consider the following Lineweaver-Burke equation. Y = 0.99X + 0.32 What is the Vmax of the system

I need help solving this 3 problems please Decomposing Exponential Functions Given the Exponential Function, determine the Initial Value and Rate of Change as a Percent for each of the following. Initial Value Growth or Decay Rate as a % Exponential Function Select an answer f(z) = 2322(0.89) Select an answer g(z) = 4989(1.05) Select an answer
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Solve the following system of equations using the Gauss-Jordan method. -15x-2y+z=-5 20x+y=17 -10x-2y+z=0

X is a random variable having a normal distribution with mean 3.0 and variance 1.69. Find the probability that X would take the value between 1.20 and 3.49. Find the value of c, if Prob( X > c) = 0.75.

The weight of an organ in adult males has abell-shaped distribution with a mean of 350 350 grams and a standard deviation of 30 30 grams. Use the empirical rule to determine the following. (a) About 95 95 % of organs will be between whatweights? (b) What percentage of organs weighs between 320 320 grams and 380 380 grams? (c) What percentage of

Explain please. 2. [-/6.25 Points] DETAILS BBBASICSTAT8ACC 5.2.005.MI. Given P(A) = 0.6 and P( B) = 0.2, do the following. (For each answer, enter a number ) (a) If A and B are independent events, compute P(A and B). (b) If P(A | B) = 0.3, compute P(A and B)
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Hi I'm stuck on this question could someone answer this please, it may require the use of R. Question 21 Consider a factorial design with 5 factors each with 2 levels. Suppose that an experimenter asks you to design an experiment involving 8 runs to be used to estimate main effects. a) If the defining relation is given by I = ABD = BCE, list the 8
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Q3 Table below presents a case control study with cases of liver cancer matched on age, gender, and history of smoking. Table 1 Dose level of solvent A Liver cancer No liver cancer Total (cases) (controls) Low 181 1323 1504 _ 222 1098 1320 403 2421 2824 a) Calculate and interpret the appropriate measure of association (2 points). b) Suppose that
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Developing and/or maintaining a data analysis codebook is useful in both quantitative and qualitative analysis. True False

statistic and probability The population of kindergarten students in a particular state is 15,292 individuals. One variable of interest was their reading level measured at the halfway point of the student's kindergarten year (based on a 9-month school year). The data set is called "Kindergarten Reading Levels" and, for example, a student's score
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Add the following two binomials. (13x^6 - 14x^7) + (-9x^4 - 11x^6)

A hockey player scores on 18% of his shots. (2 marks each) a) What is the probability he will score for the first time on his fifth shot? b) What is the probability that it will take him fewer than 3 shots to score? c) How many shots should he expect to take before scoring?

Find the measure of each angle question help please. Use an algebraic equation to find the measure of each angle that is represented in terms of x. 13x-250 8x+350 m 4 13x - 250 = m 4 8x + 350 =
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A flight academy boasts it is among the top 10% for graduation rates among its 25-year old candidates. This academy's graduation rate is 89.1 over the last two years for 25-year old candidates. Is the claim that this flight academy is in the top 10% a true statement? Explain. \f
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Lina and Ashton are trying to figure out the password for a secret passage behind the mirror in an escape room. They are told there is a 9 digits long password and it uses digits from 1 to 9 inclusive but they do not know in what order. Instructions: Enter an exact numerical answer or an algebraic expression. How many different passwords could

The U.S. Census Bureau reported that the mean area of U.S. homes in 2015 was 2467 square feet.Assume a sample random sample of 20 homes in 2017 had a mean of 2543 square feet, with a standard deviation of 225 square feet.Can you conclude that the mean area of homes built in 2017 is greater than 2543 square feet?What type of hypothesis test would

4. What is the approximate dew point Temperature of the air mass in question 3 above? (Use the chart backward by finding 12.3 on y-axis and extrapolating back to line). 5. Using the same air mass, let us assume that it warms to 35 C on a hot afternoon and maintains the same vapor pressure content of 12.3 mb. What is the relative humidity now? 6.
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3. (Inverse) A local business is offering a trip for their employees to an Arizona Diamondbacks baseball game. The cost per person will depend on how many employees decide to attend. The relationship between the cost per employee and the number of employees attending is approximated by the function " = f(x) graphed below, where C represents the
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Solve the application problems using DESS method 6. The parking lot behind Blazer Cafe has a perimeter of 210 m. The width is three-fourths of the length. What are the dimensions of the parking lot
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please answer this f) Newton's divided difference interpolating polynomial possess the g) Trapezium rule integrates exactly polynomial of degree less than or equal to h) Simpson's rule integrates exactly polynomial of degree less than or equal to Romberg method is a power tool which uses the method of j) The fundamental method for the numerical
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Use the software (SPSS or R) to develop a model using best subset technique. Notice that regression simply states which model to use, while best subsets provides much information and requires the user to choose how many variables to include in the model. In general, statisticians select models that have a large R square, and a relatively small

The manufacturer of an electrical vehicle, X, is interested in testing two different batteryelements for its product. The manufacturer obtains 5 samples and tests each one. The heatgainafter15 minutes (inF) follows Unit H 23 16 27 29 30 Unit L 31 21 29 33 34
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Question 5) For the estimated quadratic model:y(hat) = 10 + 12x - 3x^2, what is the estimated effect of an additional unit of x when x=0? a. x=12 b. x=-6 c. x=6 d. x=4

Graph the function. \f
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the track she walked on was 3520 yd long she walked 2.5 laps how many miles did she walk

For a population of N=907, starting from row 02 and column 01 of the accompanying table of randomnumbers, determine the number of rows required in order to select a sample of n=10 without replacement. How many rows will it require and the last sample value is. \f
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some algebra questions for revision. al stc KW 11:21 PM 36% mygust.gust.edu.kw C 3 of 3 & TITLE: MATH 140 Elementary Linear Algebra Professor Ali Ansari MARKS P3 You are employed to advise a petroleum company on the following problem: The company has three oil plants A. B and C. They want to know how many barrels of crude oil each plant should
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Question 2 of 7 Reuben has the option of receiving a loan of $16,500 for 20 years at an interest rate of either 4.49% compounded monthly or 4.49% compounded semi-annually. a. What would be the accumulated value of the loan at the end of the term, if it was received at the interest rate of 4.49% compounded monthly? $0.00 Round to the nearest cent
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Three lines intersect to form angles. 62 and (2x-8) What is the value of x in the diagram?

________blank are defined as a collection of assertionsboth verbal and symbolicthat specify how and why variables are related, as well as the conditions in which they should (and should not) be related. Multiple Choice Theories Hypotheses Data Verifications Results

3. You decide to buy a used car that costs $10,000. You've heard that the car may depreciate at a rate of 10% per year. Write the exponential decay model to represent this situation. At that rate, what will the car be worth in 5 years?

Use L'Hospital's Rule to determine which of O 1. C only the inequalities O 2. B only A. e2 > re + 100, B. e" > x2 + 100, 3. A and C only 100 O 4. all of them C.
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A random sample of 10 waiters revealed the following hourly earnings, including tips: $19, $18, $15, $16, $18, $17, $16, $18, $20, and $14. If the hourly earnings are normally distributed with a standard deviation of $4.50, estimate with 95% confidence the mean hourly earnings for all waiters.

1.)The commuter trains on the Red Line for the Regional Transit Authority (RTA) in Cleveland, OH, have a waiting time during peak rush hour periods of eight minutes("2012 annual report," 2012). Find the probability of waiting between four and five minutes.

El estudiante observar la teleclase de la semana 6, a la vez tomar nota de las principales ideas expresadas en cada una, para elaborar un informe general que enviar, despus, al profesor tutor. Adems, guardar el trabajo como parte de la evidencia en el e-portafolio

The probability that a randomly chosen 65-year-old woman is divorced is about 0.14. This probability is a long-run proportion based on all the millions of women aged 65. Let's suppose that the proportion stays at 0.14 for the next 45 years. Bridget is now 20 years old and is not married. (a) Bridget thinks her own chances of being divorced at age

Find the quotient. Express using positive exponents. -21s^9/3s^-8

Define Spearman Rank Coefficient Coefficient and give example of its x and y variables. predict the relationship of the two variables Type of Correlation Coefficient: Biserial Coefficient but define it and when do we use it Variable X (Scale of Measurement) Variable Y (Scale of Measurement) Prediction of the Relationship Between the Two Variables

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