S
  1. study help
  2. subject categories
  3. sciences
  4. mathematics
  5. march 2021
  6. 19

Mathematics Questions and Answers March 19, 2021

Expert-verified solutions to help you succeed

and shopping. Understanding mathematical concepts such as percentages, fractions, and ratios is essential when making decisions such as buying a home, investing in stocks, or comparing prices of goods. Math is also used in measuring time, distance, and speed, which is essential for transportation, communication, and navigation. DO ENTIRE QUESTIONs
image text in transcribedimage text in transcribedimage text in transcribed

What is the advantage of a multi-criteria analysis? It has only four steps. It does not require any math. It is easily adaptable to as many suppliers as you need to evaluate. It removes all human bias from the equation

The final exam scores in a statistics class were normally distributed with a mean of 70 and a standard deviation of five. What is the probability that a student scored more than 75% on the exam?

4. Give the probability for the following based on the calculations in question 3 above, with the probability of a success being 12. (Complete sentence not necessary; round your answers to three decimal places) P(x =2) P(x
image text in transcribed

An important application of regression in manufacturing is the estimation of cost of production,. Based on the below data from Ajax Widgets relating cost (Y) to volume (x), what is the cost per widget? Production Volume (Units) Total Cost($) 400 3430 450 4080 550 4878 600 4884 700 5913 750 6402 425 4273 475 4362 575 5089 625 5446 725 6017 775 6591

If $9000 is invested in a savings account earning 6% interest compounded continuously, how many years will pass until there is $15,000?

In a study of radio listening habits, a station owner would like to estimate the proportion of teenagers that listen to radio for at least one hour each day. Last year, the proportion is 0.3. The setup cost of sampling is high and he does not want to set up to sample again. How many teenagers should he sample so that he can estimate this year's

\f
image text in transcribed

1. D etermine the vertical asymptote off(x)=2x+1/2x-4, and justify your answer. 2. Determine the horizontal asymptote off(x)= 1/x-3, and justify your answer. 3. Given the graph off(x)= x-3/x+1 shown below: \f
image text in transcribed

Exam 1: Parenteral Dosages Home Calculator Help image Click To EnlargeThe physician orders cefoperazone 750 mg IV daily. To reconstitute the cefoperazone powder, how many milliliters of diluent would be added to the vial? Click on the syringe to indicate the volume of diluten

Simplify. Assume that variable a is nonzero. a Superscript negative 7

Consider the events A and B , where P(A)=0.4,P(B)=0.5, and P(AnB)=0.2. Events A and B are considered __________. a)Independent events b)Dependent events

which number is greater 3 x 10 to the negative power of 12 or 9 x 10 to the negative power of 11? How many times as great? show your work

Examine the diagram to answer the question. A circle with its center at (negative 0, 0) and passing through point (negative 3, negative 4). 2019 StrongMind. Created using GeoGebra. What is the equation of the circle? Responses x2+y2=10 x squared plus y squared is equal to 10 x2+y2=5 x squared plus y squared is equal to square root of 5 x2+y2=25 x

5 5. Use L'Hopital's Rule to aid in your calculations of the following functions, You should not use the numerical or graphing methods of evaluating limits to reach your conclusions. lim - x+2 17-2 x- +31+2 a. lim 2 In sin x In tan x b. lim 1+1 In x) C. U A - Paragraph - 1 12pt

Question 1: Solve the following logarithmic equation. ln(5x) ln(x + 1) = 1 Question 2 Find a and b so that f(x) is continuous everywhere. f(x) = ax + b x 0 x 2 2 ; 0 < x 1 bx + a ; x > 1 Question 3 Find the slope of the tangent line to the graph y = 6 8x + 1 when x = 1. Question 5 (10 points) Using only the definition of derivative as a limit,

a x 23x a negative number 3. Is true there is a method, called the "method of intervals", that makes the process of solving quadratic (polynomial) and rational inequalities much easier
image text in transcribed

If a time series analysis reports that the seasonal indexes are all equal to 1.0, what is true about the time series pattern? | There is no trend. | There is no error. There is no seasonality. | The exponential smoothing model should be applied
image text in transcribed

Nikki has 2 4 5 pounds of sugar, which is enough to fill 1 2 3 small canisters. How many pounds of sugar would Nikki need for just one canister

10 (2 points) Translate the following: Ayer compr unas verduras. Question 10 options: Yesterday he bought some vegetables. Today I am buying some vegetables. Yesterday I bought some vegetables. I am going to buy some vegetables

Es conveniente seleccionar preferentemente como centro para la solucin de litigios en sede de derechos de propiedad intelectual la OMPI. A) Verdadero B) falso

Subtract. 4 z squared minus 12 z plus 10 minus left parenthesis 9 z squared plus 10 z minus 10 right parenthesis

Joe pays 26,945.46 annually to cover his mortgage. He also must pay $5671.98 annually in property taxes. How much will Joe pay per month to cover his mortgage and property taxes?

I am unsure what the answer to this one would be or if the multiple choice is correct \f
image text in transcribed

Present the most important criteria for assessing the quality and utility of epidemiologic data? Explain why these criteria are so important.

B B 89. Ler y be a function with f(0) = 1. f'(0) = 2, and f"(0) = -2. Which of the following could be the graph of the second-degree Taylor polynomial for fabout & = 0 7 (A) (B) O (C) (D) O
image text in transcribed

The Internet of Things (IoT) helps hotels__________. a. Download the latest movie hots for their guests so the hotel can maximize its profits. b. Accumulate private information from their guests which it shares with third party resellers. c. Assist Homeland Security within the United States. d. Streamline workflows, optimize processes, and create

Calculate this conversion. Round the answers to the nearest tenth. 55 mL = _______tsp

Let the density function p(x) = 3x 2 for 0x1 and 0 elsewhere: 1.Find the corresponding distribution function P(x) for p(x) 2.Find the expected value of x in the range of 0 to 1 3.Find the expected value of x in the range of 0 to 0.5

A store manager believe that 39% of her customers are repeat business. Assuming she is correct what is the probability that out of the next 400 customers between 165 and 200 are repeat business?

Suppose you use a boosted decision tree model in a regression setting with tree depth d = 1, also known as a boosted decision stump. This results in a model that is additive in its features. Is this equivalent to linear regression? Explain your answer.

DynamoDB is priced on the per-hour use of writes-per-second and reads-per-second to DynamoDB tables. Group of answer choices True False

Question 2 8 pts 91 0 What dimension is M2,2 (the set of 2x2 matrices)? Which of the following sets form a basis for M2,2? Add Work Submit
image text in transcribed

How many distinct 6-digit numbers can be made by arranging the digits of the number 995,898? (a) 8 (b) 24 (c) 12 (d) 60 (e) 256

In a card game, there are15 cards laid out on a table.6 of the cards are blank,2 of the cards are labeled$3 , and the remaining cards are labeled$1 . When you select a card at random, you earn what is labeled on the card. After each game, you return the card and the cards are shuffled. Suppose you play this game10 times. How much money can you

Question 6 (1 point) (05.01 MC) If sinM = cosN and mN = 30, what is the measure of M? a 150 b 90 c 60 d 30 STUDENT NEED HELP

Seminar sponsors spent $400 to rent a facility and an additional $4 for each person attending, and the ticket cost to attend was $8. Write the total cost model using x as a variable. C(x)= (Put no spaces in your answer.) Write the total revenue model using x as a variable. R(x)= (Put no spaces in your answer.) Write the total profit model using x

I have completed most of the problem however when its gets to the Velocity I seem to be doing something wrong. any help solving the last part would be appreciated. \f
image text in transcribed

smart phone: among 248 cell phone owners aged 18-24 surveyed, 104 said their phone was an android phone. perform the follo \f
image text in transcribed

2 S m in (Type a whole number. Use a comma to separate answers as needed.) Use the Venn diagram to determine the roster form of set A' - C. Set A - C in roster form is
image text in transcribed

37. Determine the sample size required to estimate the mean score on a standardized test within 4 points of the true mean with 98% condence. Assume that s = 14 based on earlier studies. A) 67 B) 9 C) 172 D) 10
image text in transcribed

What happens to the necessary condition if the optimal solution is at the boundary of a feasible set

math skills such as addition, subtraction, multiplication, and division are necessary in managing personal finances, cooking, and shopping. Understanding mathematical concepts such as percentages, fractions, and ratios is essential when making decisions such as buying a home, investing in stocks, or comparing prices of goods. Math is also used in
image text in transcribedimage text in transcribedimage text in transcribed

Please help me solve those questions, the questions are shown in the attachments IF XI. Y. ..... I, is a random sample from a distribution with puff it'll _ _ _ too U _ $ _ too otherwise . Show !" = {}, is an unbiased estimator of' !' and determine its efficiency
image text in transcribed

The probability that a person in the United States has type B+ blood is 9%. Five unrelated people in the United States are selected at random. Find the probability that all five have type B+ blood Find the probability that none of the five have type B+ blood. Find the probability that at least one of the five has type B+ blood.

me ... I am stuck on this since forever

Researchers from Columbia University in New York found that in the U.S. students spent on an average 5 hours each day watching TV. Assume the population standard deviation is 1.6 per day. A sample of 32 students averaged 5.3 hours of television viewing each day. Does this result support the findings of this study?

Which of the following is a performance characteristic of a digital imaging acquisition system that must be high to minimize patient dose. O SNR O DQE Matrix size O Pixel size
image text in transcribed

A teacher who sets explicit goals for each lesson, presents a logical sequence of tasks, gives clear directions on how to do each task, models the task, engages the student in guided practice, asks frequent questions, gives feedback, and does not move on to the next task until the student masters the one at hand is using a metacognitive approach a

\f
image text in transcribed

Find the equation of the normal line to the curve, x 2 +4y 2 =6+ \sqrt{3xy at the point (\sqrt{2, 1/2)

Find 95% Confidence Interval The following data is the systolic blood pressure rate for 21 patients in a research study: 100, 120, 130, 140, 120, 120,130, 120, 150, 120, 110, 120, 120, 110, 140, 130, 150, 120, 130, 120, 120

FRQ 1 Amusement parks sell day passes and season passes. A day pass to Fun World costs $41 and provides admittance to the amusement park for one day. A season pass to Fun World costs $100 and provides unlimited admittance to the amusement park all season. The manager of Fun World would like to better understand how frequently patrons visit the
image text in transcribedimage text in transcribedimage text in transcribed

If you have a sample mean of 91, a population standard deviation of 5.1 and a sample size of 41, calculate confidence inteval (95%): Select one: a. 89.44; 92.56 b. 89; 93 c. 90.32; 91.67 d. 88; 94

Find the measure of the arc or central angle indicated. Assume that lines which appear to be diameters are actual diameters. \f
image text in transcribed

Use the 68-95-99.7 rule Scores on a university exam are Normally distributed with a mean of 68 and a standard deviation of 9. What percentage of students score above 77? What percentage of students score between 77 and 86? What percentage of students score between 41 and 50? Answer format: ##.##%

Answer the following... Which variable in an experiment determineswhether to use parametric or nonparametricprocedures? Which two scales of measurementalways require nonparametric procedures?

The equation of the trend line is W = 30.95(1+0.00763)L Predict the weight of a rainbow trout that is 450 mm in length. Include units. Round to the nearest whole number. id you just interpolate or extrapolate? Hint: Don't forget to look at the graph to see where the data points fall! extrapolate interpolate Predict the weight of a rainbow trout

\f
image text in transcribed

What does it mean when a DAG's schedule_interval parameter is set to a value of None? It's impossible to set the schedule_interval to None The DAG must be triggered manually The DAG will be triggered once and only once

Follow appropriate rounding rules for approximate numbers and calculate. (8.35105)/(2.410-6)=

\f
image text in transcribed

In a recent survey of 240 teachers in Richmond, Virginia, 77.2% supported standardized national testing of elementary students. In a survey of 162 teachers in Raleigh, North Carolina, 64.2% supported national testing. What is the lower confidence limit of the 99% confidence interval for the difference between the two population proportions?

) Given a data tuple having the values "systems", "26. . . 30", and "46-50K" for the attributes department, age, and salary, respectively, what would a nave Bayesian classification of the status for the tuple be?

ed Question 14 0 / 2 pts Use a special right triangle to write tan 60 exactly. O 2 ON 3 O None of the other answers are correct O V3 3
image text in transcribed

Your friend who works in nancial investment company comes to you with a problem. She is interested in estimating some parameter from her data (which has sample size n = 350). She managed to come up with an estimate , but her boss asked for a 90% condence interval for as well. When you ask for details, she refuses to give you any more details as

What is the word used in Epic for an area of the hospital where you'll work or a type of task you'll complete? Give Feed SELECT ONE OF THE FOLLOWING (1 PT) Sector Assignment Region Area

1. Explain what a counselor should do after a counseling session 2. What are some benefits of documentation? 3. Please list the possible counseling session intent and focus
image text in transcribed

Perform a step-by-step process of the exercise to find the anti-derivative 3x^-4-2x^3+2x-1

How should EcoWorld adjust its manufacturing and distribution to take into account the product's seasonality?

What Can provide a way of portraying data that can facilitate capabilities. It display sample values in relation to 2 different variables that may be dependent or contingent on one another.

Ellen wishes to mix candy worth $1.23 per pound with candy worth $3.46 per pound to form 32 pounds of mixture worth $2.14 per pound. How many pounds of the more expensive candy should she use? O A. 19 pounds O B. 18 pounds O C. 13 pounds O D. 21 pounds
image text in transcribed

What is the name for aTwo finger grippers are good for ________________. a. centering a part in two directions at once b. long parts c. odd shaped parts d. side-to-side centering robot base that is linear in nature with a finite reach? a. Mobile base b. Running base c. Solid base d. Gantry base

Thanks!!!!! The following function describes the motion of an arrow shot upwards. The height h is in meters after timet in seconds. Mt) = 5t" + 4H: + 2 a} Find the maximum heigtt reached by the arrow. {5 marks} b} What is the impact of the arrow when it hits the ground? (3marks}
image text in transcribed

For the function (x) = 0.2(x4 4x3 - 16x - 16) 5 complete the following table

Mirna has saved $7,500 and wants to invest it in a savings account that offers a continuous compounding interest rate of 1.8%. How much will her investment be worth after 12 years? Group of answer choices $91,308.268 $1,308.268 $9,308.268 $4,308.268

I need help with a paper. I need to integrate 2 key themes from the Catechism of the Catholic Church. I have chosen to integrate PEACE and PRAYER. I'm not sure where to start

A helpful analogy for a shift register is a conveyor belt. Examine this illustration showing a single conveyor belt at four different times, and determine which of the following shift register operations the sequence represents:

Solve the system below with the graphing method. Submit your answer as an ordered pair (x,y) without spaces. If there is more than one solution, enter (x,mx-b) where m and b are integers. If there is no solution, write: No Solution x-2y=7 5x-10y=28

Simplify the given polynomial by combining like terms. 3.45 x plus 9.36 x squared minus 10.38 minus 18.1 x squared minus 11.253.45x+9.36x210.3818.1x211.25

Bad gums may mean a bad heart. Researchers discovered that 85% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums.Only 30% of healthy people (no heart attack) have periodontal disease.Suppose that in a certain community, heart attacks are quite rare, occurring with only 10% probability.If someone has

Calculate the sample standard deviation and sample variance for the following frequency distribution of heart rates for a sample of American adults. If necessary, round to one more decimal place than the largest number of decimal places given in the data. Heart Rates in Beats per Minute Class Frequency 61-66 2 67-72 11 73-78 11 79-84 3 85-90 8 i

Which of the following is NOT good advice to provide someone using a rollator frame/four-wheeled walker? Question 4 options: 1) The brakes can be used for going down ramps. 2) Don't let the walker get too far away from you - keep it close to your body. 3) Pull on the walker to assist you to stand up. 4) Whilst moving, always look in front of you

Suppose that hawk and dove populations cycle with a peak every 10 years, and r = 0.5. If q is doubled in size, what happens to the period of the cycle

a. Unit with fixed glass windows providing an oblique view of the CTCC b. Units with fixed glass windows providing a direct view of the CTCC c. Penthouse units (balconies without any glass enclosures) providing a direct view of CTTC
image text in transcribed

16. The mean score of 15 male students taking a test is 76 and the mean score of 12 female students taking the same test is 73. The combined mean score of the 27 male and female students is A) 69.15 B) 80.19 C) 74.67 D) 77.43 Ans: C Difficultv level: medium Obiective: Mean ofaset of data
image text in transcribed

Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containingthreered marbles,fivegreen ones,fourwhite ones, andthreepurple ones. She grabssevenof them. Find the probability of the following event, expressing it as a fraction in lowest terms. HINT [See Example 1.] She has at least one

Please help me answer Focus 1. What are the 3 greatest and least numbers you can make with the following digits? 5 9 64 Greatest: 965 95 6 94 Least: 5 64 465 1469
image text in transcribed

Find the shaded area under the standard normal curve. \f
image text in transcribed

The Cox family is selecting a furniture set. A furniture set has a bed, a desk and a dresser. There are 2 beds, 2 desks, and 3 dressers to select from. How many different furniture sets could they select

What resources are available to help students avoid plagiarism and how can these resources help students uphold academic integrity?

A locomotive's "adhesion" is the locomotive's pulling force as a multiple of its weight. This is animportant performance measure of a locomotive. A diesel locomotive model has adhesion which variesin actual use according to a Normal distribution with mean 0.37 and standard deviation 0.04. What is the first quartile and the third quartile for the

Selecciona la opcin que demuestra el uso correcto de las letras maysculas. Fray Luis de Granada ingres en la Orden de Santo Domingo en la que desempe altos cargos. Fray Luis de granada ingres en la orden de Santo Domingo en la que desempe altos cargos. Fray Luis de Granada ingres en la orden de santo domingo en la que desempe altos cargos. Fray

Multiple Choice Question In an AON diagram, what are the means of the length and slope of the arrow? Multiple choice question. A positive slope indicates a burst activity while a negative slope indicates a merge activity While the slope has no meaning, longer arrows mean longer task times Larger slopes mean the tasks are more difficult They are

Watch this scene from Night of the Living Dead, and read the reading below, then answer the questions . Link to clip- https://www.youtube.com/watch?v=zeTJU_L8x3M Reading- The Powers of Sound Sound is a powerful film technique for several reasons. For one thing, it engages a distinct sense mode. Even before recorded sound was introduced in 1926,
image text in transcribedimage text in transcribedimage text in transcribed

choose all measures of center that are resistant to outliers Standard deviation Median Range Interquartile range Mean Identifyallstatements below that are true. The stem-and-leaf plot is preferred to the histogram and boxplot because it retains the actual data. For a given set of data, a relative frequency histogram is more likely to be skewed

Could you present number 1 as a sum of different Egyptian fractions

According to anarticle, 75% of high school seniors have adriver's license. Suppose we take a random sample of 100 high school seniors and find the proportion who have adriver's license. Find the probability that more than 78% of the sample have adriver's license.

Let(,) (X,Y)be a random pair and let Y^be the least squares linear predictor of Ybased on X. Assume that(,)0 r(X,Y)0. a) Without calculation, say what the sign of the correlation(, ) r(Y,Y^)should be and explain your answer. b) Now find(, ) r(Y,Y^)and confirm that it is consistent with your answer to Part a .

12. Bianca has a credit line of $6,000. She had a previous balance of $325.87 and made a payment of $923. Her total purchases are $825.67 and she has been charged a $15.00 finance charge. What is her available credit? A. $325.87 B. $6,000.00 C. $243.54 D. $5,756.46
image text in transcribed

Showing 500 - 600 of 1522
  • 6 / 16