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Mathematics Questions and Answers March 20, 2021

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, 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 measuring time, distance,
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What are the primary differences between a \"normal distribution\" and a \"standard normal distribution\"? Why would one want to use one over the other
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PQR is a right angle. Find m PQS and m SQR 3x+31) (10x-32) S R
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How would you move these individuals to the second level of the hierarchy? How would you evaluate the YouTube video? Was it effective? What is your rationale for your judgment? How would you move to the third levelof the hierarchy? What is your objective now? The target market is different.

For each of the following, write the inequality. Then sketch a number line that represents a continuous scenario (real number scenario including negative values). 4. No more than 4 5. More than 7 6. Fewer than 8 7. No fewer than 6

For each of the following equations, determine whether y is a function of x. J= 2r + 5 Function Not a function y = - 2x Function Not a function J = & Function Not a function 1 2 w O Function Not a function X
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Which of the followings statements is most accurate about the income flow? Question 5 options: They flow in a counterclockwise direction. They flow in a clockwise direction. They flow in a random direction They do not flow in one direction

Help Please. Is it A or D???? Draw a graph to match the description given. G(x) is increasing over ( - co,0) and (7,co) and decreasing over (0,7). Which of the following graphs matches the description? OA. OB. O C. O D. Ay Ay Ay v.com 5 Click to select your answer. ? ? 3 6,508 30
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Tarea 4: Foro Balanza de pagos, tipo de cambio y el riesgo para las empresas latinoamericanas

The upper boundaries for a distribution of waiting times (in seconds) in a grocery store aisle are43,55,67, and79. List the value for each lower boundary in this distribution.

24. A firm uses two inputs, labour L, and capital K. The firm's output y is described by the Cobb - Douglas production function y = K^ L^, , > 0 . If r is the price of a unit of capital and w the price of a unit of labour, then the firm's total costs are C = rK + wL Show that the values of K and L that minimize C subject to the production

content area top Part 1 Decide if the given statement is true or false. If it is false, give the reason. {9, 8, 4} is a proper subset of {4, 9, 8}

A general form of a quadratic equation, y = ax2 bx c, can be written in the standard/vertex form, y = a(x - h)2 k. Choose the correct values (a, h) as a pair for scenario 9. Scenario 9 An owner of a barbecue grill store has found out at a price p(x)=150-x/4 per grill, x grills can be sold for a week. Let y n dollars be the weekly revenue that the

STATISTICS To determine if a new medication reduces headache pain, some patients are given the new medication and others are given a placebo.Neither the researchers nor the patients know who is taking the real medication and who is taking the placebo.Is this a blind experiment, double blind experiment, or neither?Why?

For the following set of scores, use SPSS to find.As part of the solution, name the variable X .The name of the saved file for these data is Ch2prob2. X :2.44, 3.57, 6.43, 3.21, 8.45, 6.37, 8.25, 3.98.

The advertise of American men is normally distributed with mainz 70" in standard deviation 4" 1)what is the probability that a randomly selected American adult men will be less than 75" tall? 2)NBA player Kobe Bryant is 6' 6" tall what portion of American men are at least as tall is Kobe Bryant? 3)find the 95th percentile of American adult men's
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a. Which-mass=had=the-higher=average=critical=angle? b. Why where the critical=angles=different=or=not=different? c. What do you think=would happen=to=the-critical=angles=if-water-was=added=to=the clipboard and why
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5. Given that log. 2 ~ 0.301 and log. 3 = 0. 477 , find each of the following. a. logan b. log.81 c. logab d. loga 4
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Technician A says it is acceptable to repair a leaking brake line by replacing only the leaking section. Technician B says a soft brake hose can be a symptom of an internal collapse. Who is right? Technician A only Technician B only Both A and B Neither A nor B

23). Which of the sampling method may produce biased results? Is c) correct ? A) simple random sampling b) stratified sampling c) convenience sampling d) cluster sampling e) A and B

A cylinder on its side is half full of kerosene. The radius of its circular faces is 1 meter and its depth (front to back) is 8 meters. Determine the amount of work required to pump all the kerosene out of the top of the tank, to the nearest integer. (Note that the density of kerosene is p = 800 kg 56,707] ( 98,520] ( 140,334] ( 175,417] 197,041]
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Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes. If 11 adult smartphone users are randomly selected, find the probability that fewer than 4 of them use their smartphones in meetings or classes. The probability is: ? (integer or decimal rounded to four decimal places as needed.)

How many determiners are in the sentence below? The dog slept in a fluffy bed

If you wash the car, you can drive it identify the converse statement

1:59:17 PREGUNTA 1 Sin responder an Puntaje de 1.0 Una compaa electrnica produce dos tipos de bocinas. El proceso de produccin es similar para ambos productos, ambos necesitan cierto nmero de horas de trabajo electrnico y horas en el departamento de ensamble. Cada bocina tipo A lleva 2 horas de trabajo electrnico y 3 horas de en el taller de

Find the Taylor polynomial of order 3 generated by f at a. 1) f(x) = 1/x+2, a = 0 2) f(x) = ln x, a = 10

A true-false test contains 25 questions. In how many different ways can this test be completed? (Assume we don't care about our scores.) You should show your work for this problem. Your answer is : > Next
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The first step in testing a hypothesis is to establish __________. Select one: A.an not rejectance hypothesis and a rejection hypothesis B.a power function C.a null hypothesis and alternative hypothesis D.an indirect hypothesis

Write the symbolic statement in words. Use p , q , r , s , t , and u as defined below. p :The tour goes to Italy. q :The tour goes to Spain. r :We go to Venice. s :We go to Florence. t :The hotel fees are included. u :The meals are not included. s ~ r

A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 20 27 24 23 19 21 18 17 22 15 18 32 16 20 19 19 Find a 90 percent confidence interval for , assuming that the sample is from a normal population. (Round your standard deviation answer to 4 decimal places and t-value to 3 decimal places. Round your answers to 3

The local news provided poll results from 2000 adults who interview job applicants. The results showed that 35% of the adults said their biggest issue with interviewers is them not knowing company history. The margin of error was given as +/- 4 percentage points. Answer the following questions: a. What importan piece of information was omitted

como yo calculo el coeficiente de variacion para : 200, 350, 123, 300, 300, 315, 187, 200, 300 y 215. y para : 200$ 330$ 375$ 500$ 220$ 340$ 425$ 525$ 275$ 350$ 450$ 560$ 280$ 350$ 460$ 650$ 300$ 360$ 490$ 250$ tambien para: 75 86 86 87 89 95 95 95 95 95 96 96 96 97 97 97 97 98 98 99 99 99 99 100 100 100 105 110 110 110 115 120 122 125 132 135 140

A bacterial population has an exponential growth rate of 11.2% per hour. If there were 480 bacteria initially, what would the bacterial population be after 5 hours? A y = 940 B y = 480 C y = 840 D y = 750
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Tell whether the matrix is in row eTell whether the matrix is in row echelon form, reduced row echelon form, or neither. CHOOSE ALL THAT APPLY. There is more than one correct statement. chelon form, reduced row echelon form, or neither. CHOOSE ALL THAT APPLY. There is more than one correct statement.

Assume that females have pulse rates that are normally distributed with a mean of mu equals =72.0 beats per minute and a standard deviation of sigma equals =12.5 beats per minute. a. If 1 adult female is randomlyselected, find the probability that her pulse rate is between 68 beats per minute and 76 beats per minute

In a given year, residents of a country spent approximately $54.5 billion on their pets. Of this amount, $16.5 billion was for veterinarian bills. What percent of the total was spent on veterinary care?

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Know what each of these are, and how they differ: enterprise, business area, business process, business application. Think of how they relate in the hierarchy of systems
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15. Drew a graph (neatly) that ha a order of 5andjan Euler circuit (J pointr)
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) A test has been devised to measure a student's level of motivation during 1st year in university. The motivation scores on this test are approximately normally distributed with mean of 25 and a standard deviation of 6. The higher the score the greater the motivation to do well in university. i. What percentage of students taking this test will

problem carefully and make sure you understand what is being asked. Look for keywords and phrases that indicate what operation(s) you need to perform to solve the problem. Identify any unknowns or variables that you will need to find or calculate. DO ENTIRE QUESTIONs Read the problem carefully: Before you start solving the problem, make sure you
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c)Let C be the event that a woman in this age group has cancer and P be the event that a woman in this age group has a positive mammogram. Would you expect these events to be independent? Explain. Are they independent? Show your work.

Kendra bought four pairs of socks. She paid a total of $11.88, which included $0.88 sales tax. If each pair of socks cost the same amount, what was the pretax cost of one pair of socks

The daily circulation of the largest newspaper in the country is about 1.77 million.The daily circulation of the third largest newspaper in the country is about 1.05 million. Express the relative difference using a percentage. Use the second given value as the reference value. The largest newspaper has _____% than the third largest.

Graph the following exponential function. Show work in how you find the y intercept, talk about the end behavior, and state if it is a growth or decay function. y=5(0.8)""1-3
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There are 110 calories per 28.4 grams of Cereal X. Find how many calories are in 48.28 grams of this cereal.

ACH is deceptively simply but incredibly easy to do incorrectly. In an ACH you are looking for information that DOES NOT support the hypotheses in question. Explain reasons why ACH's focus on disconfirming hypotheses.

What are some factors to address during the validation of a survey that can contribute to errors in data coding and data entry? WOuld they impact data analysis and interpretation and if so can they be reduced?

If the continuous random variable X is uniformly distributed over the interval [120, 140], then the mean of X is:

A baker purchased 11 lb of wheat flour and 15 lb of rye flour for a total cost of $19.55. A second purchase, at the same prices, included 12 lb of wheat flour and 10 lb of rye flour. The cost of the second purchase was $15.60. Find the cost per pound of the wheat flour and of the rye flour. \f
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what standard deviation of the Z distributation equals?

Read the descriptions and select the name of the corresponding place from the drop down list. 1. El auto est aqu. select answer 2. Aqu usamos el inodoro. select answer 3. Aqu hacemos una barbacoa. select answer 4. Aqu preparamos la comida. select answer 5. Es el lugar donde dormimos. select answer 6. Es el lugar donde comemos a la mesa. select

Anastasia knows that she has about $105 in her bank account. She knows she earned an interest rate of 4 percent, but she doesn't remember how much she opened the account with 2 years ago. How much did she put in

how to put in calculator Total Interest = (Monthly Payment, Number of Payments), and Loan Amount

Um pai leva a filha de 3 meses ao mdico, com a queixa de que ela est mal h dois dias. Qual dos sintomas, descritos pelo pai, permite suspeitar que o beb possa ter Gastroenterite por Rotavrus? 1 - Erupes na barriga. 2 - Vrios episdios de diarreia por dia. 3 - Febre alta. 4 - Dificuldade para respirar. 5 - Vermelhido ao redor do umbigo. 6 - Vmitos.

Use traces to sketch the surface. (If an answer does not exist, enter DNE. Select Update Graph to see your response plotted on the screen. Select the Submit button to grade your response.) 7x2 + 6y2 + z = 0 (Write an equation for the cross section at z = 5 using x and y.) (Write an equation for the cross section at z = 5 using x and y.) (Write an

The joint probability density function of X and Y is Problem B.2. The joint probability density function of X and Y is f (x, y) = a(y2 - x2) e-23, if - y 0; O otherwise. (a) Find the value of a. (b) Are X and Y independent? Verify your
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In an ad to sell an electric car, a seller should only include the following relevant statement: Group of answer choices It was formerly owned by a teacher. It has a driving range of 300 miles on one charge. The seller is leasing another car. It has was the sellers first car

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Find the present value for the following future amount. $7000 at 2% compounded annually for 4 years Question content area bottom Part 1 The present value is $ enter your response here. (Do not round until the final answer. Then round to the nearest cent as needed.)

Evaluate [ \sqrt[5]{3} ( \frac{ \sqrt{3}}{2}+ \frac{i}{2} ) ]^{10}

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Cul de los siguientes NO estara bajo la cobertura A de la pliza para propietarios de empresas? A. La estufa instalada permanentemente en la cocina de un restaurante B. Una ampliacin del edificio principal que an est en construccin. C. Los sofs en la sala de espera de una tintorera. D. La alfombra de una habitacin de hotel

Solve the equation. 3 2 d i=3x3(4+y2] r::i An implicit solution in the form Fury) = C is D = C: where C is an aroitrarfir constant. {Type an expression using :6. and y as the variables.)
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Please help with this question The p-value is the probability you will observe that statistic from data or more extreme values. Possible values greater if the statistic is positive or values lesser if the statistic is negative? O This some sometimes correct O I am nor sure about this O Statistics is a Ponzi Scheme This is true all the time
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Question 2: Using the information from Task 2, provide a statitistical description of whether or not a relationship exists between Profit and Defective Items by interpreting the meaning of the correlation coefficient. \f
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Based on the Successive-Over-Relaxation (SOR) technique, assume (+1) can be written in terms of () and the relaxation factor by: (+1) = () + [ 1 [ ( + ) () ] () ] Show, by manipulation of the above result, that (+1) also solves (+1) = 1 [(1 ) ( + )] () + 1

Determine the interval(s) for which the function shown below is increasing. do -8 -7 -6 -5 10 1 2 3 5 6 T 7 8
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Which of the following is the formula for the equation of a circle? O ( x + 1) 2 + ( y + K ) 2 = 12 O ( x - 1) 2 + ( y - k ) 2 = 12 O ( x - k) 2 + (y - 1) 2 = 12 O ( x - h) 2 + ( y - k) 2 = 1

Question 4 Suppose you roll a special 9-sided die. What is the probability that the number rolled is a "1" OR a "2"? > Next
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B. APLICACIN DE LA PARTIDA DOBLE Realizar el registro contable simple o compuesto conforme a la siguiente informacin: El da 10 de febrero se compra mercanca a crdito por un valor de $42.860.000 Cdigo de Cuenta Nombre de Cuenta Debito Mercanca no fabricada por la empresa Crdito 143501 220501 Proveedores Sumas Iguales $ $

Dentro de la computadora, un reloj del sistema genera pulsos a un ritmo rpido, marcando el ritmo para que se lleven a cabo los eventos de procesamiento, del mismo modo que un metrnomo marca el tiempo para un msico. True False

x-2y=7To a batch of make oatmeal cookies, use 3 eggs and 1 cup of cream. To make a batch of almond cookies, use 2 eggs and 3 cups of cream. You have 80 eggs and 50 cups of cream. How many batches of each type of cookie can you make? Submit your answer as an ordered pair (x,y) without spaces. If there is more than one solution, enter (x,mx-b) where

Answer the questions below about the quadratic function. g (x) =x*+ 10x+22 Does the function have a minimum or maximum value? 0O VO Minimum Maximum X 5 What is the function's minimum or maximum value? Where does the minimum or maximum value occur? X =
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The graph to the right represents the expenditures of a company. . . . Question content area top right Part 1 Question content area bottom Part 1 (a) How is the graph misleading

Consider a binomial random variable X with n = 10 and p = .6 .Find the following probabilities: a)P (X = 2) b)P (X > 10) c)P (3 < X < 6) d)P (5 < X < 9) e)P (X < 4)

Each pair of figures is similar. Use the information given to find the scale factor of the figure on the left to the figure on the right. \f
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A four years and two months year old child wants to start care with you next week but has missed their four year old immunisation. According to the immunisation schedule,what steps should you take?

A researcher is examing preferences amounf four new flavors of ice cream. A sample of n=80 people is obtained. Each person taste all for flavors and the picks a favorite. The distribution of preferences is as follows. does this data indicate any significance preferences among the four flavors? Test the .05 level of significance. Icecream: A B C D

Calculatethesamplestandarddeviationforthefollowingdistribution: 4,6,7,3,5,6,4,5

An object is launched at 19.6 meters per second (m/s) from a 102.9-meter tall platform. The function that represents the object's height s at time t seconds after launch is s ( t ) = 4.9 t 2 + 19.6 t + 102.9, where s is in meters. When does the object strike the ground? ______sec

(1+z^2)/(1-z^2)=i z=a+bi find a and b where a and b are real numbers find what is a and what is b

in a simple linear regression where x is the independent variable and y is the dependent variable. if the y intercept is positive: -there must be a negative correlation between x and y -there must be a positive correlation between x and y -the correlation between x and y is 0 -none

Discussion 3: Seeing Changes Over Time Please review the presentation, Looking for Patterns (Links to an external site.), and how the presentation affects your view of making sense out of numbers and data.

b. Determine the strength of the linear relationship between temperature and ice cream consumption by using correlation
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suppose Ken is riding a ferris wheel. The maximum height he attains is 12 m and the maximize height 1m. The time it takes to make one cycle is about 36 seconds. Draw a graph of one to represent this scenario if Ken started at a height of about 1m. (label the axis)

The Carnot engine is the "workhorse" of thermodynamics. This cyclic process plays a hidden role in many analyses, and may be used to derive several well-known thermodynamic relations. For example, consider a differential Carnot cycle that follows two different tie-lines across the coexistence region of a pure component substance

14.Let p be the population proportion for the following condition. Find the point estimates for p and q. In a survey of 1043 adults from countryA, 279 said that they were not confident that the food they eat in country A is safe. The point estimate forp, p, is_______. (Round to three decimal places asneeded.) The point estimate forq, q is_______.

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabolay=3x^(2). What are the dimensions of such a rectangle with the greatest possible area? Width= Height=

Answer Question 10. Show all work 10. (35pts) Let A be an n x n matrix over a field. Prove that dim (span(/, A, A', A3, ...))
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Write a polynomial that describes the surface area of the figure. Recall that the surface area of a solid is the sum of the areas of its faces. 3x 3x 5y

2 MathTutorDVD.comAlgebra Word Problems-Lesson 8 - Worksheet 8 - Algebra Word Problems Involving Interest Problem 1)You make two investments into two accounts. One pays9%and one pays6%interest. If you invest$15,000and the interest after one year is $1110, how much did you put in each investment? Problem 2)Tom invested$8,000in two investments, part

Find the indicated derivative and simplify. f prime left parenthesis x right parenthesis for f left parenthesis x right parenthesis equals StartFraction 24 RootIndex 3 StartRoot x EndRoot Over x squared minus 7 EndFraction

]1. A las nueve Luisa, la novia de Toms, select answer a nuestro apartamento. 2. Nosotros tres select answer por unos minutos. 3. Despus, Toms y Luisa select answer a clase pero yo select answer en casa hasta las once. 4. Y t? select answer temprano? select answer para algn examen

Use the substitution u = 1x and v = 1y to rewrite the equations in the system in terms of the variables u and v. Solve the system in terms of u and v. Then back substitute to determine the solution set to the original system in terms of x and y. 2x + 1y = -4 2x - 3y = 20

(CO 3) Sixty-four percent of those that use drive through services believe that the employees are at least somewhat rude. If you asked 87 people who use drive through services if they believe that the employees are at least somewhat rude, what is the probability that at most 60 say yes? O 0.802 O 0.057 O 0.198 0.860
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Revise los recursos incluidos en el mdulo, incluyendo power point, enlaces y videos. Se Insta al estudiante a buscar informacin adicional. Conteste Cmo vemos colores? Qu es el daltonismo? Qu procesos bsicos sustentan el sentido de la vista

Explain decisions for p values. Instructions: Read the following and respond to the prompt. The value of apvalue. In a critical commentary on the use of significance testing, Lambdin (2012) explained, "If ap < .05 result is 'significant,' then ap= .067 result is not 'marginally significant'" (p. 76). Explain what the author is referring to in

The next model of a sports car will cost11.4%more than the current model. The current model costs$55,000.How much will the price increase in dollars? What will be the price of the next model?Increase in price: Price of next model:

1.For each of the following statements, indicate whether it is True/False. If false, explain why. I.The sample size of the survey should at least be a fixed percentage of the population size in order to produce representative results. II.The sampling frame is a list of every item that appears in a survey sample, including those that did not

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