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Mathematics Questions and Answers November 06, 2021

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7x+3y=-12 Please show how to sketch a graph of the above line and show all work.

(1)What is the first step in solving theequation x +3=9? Why? (2)Are all real numbers also complex numbers?Are all complex numbers also real numbers?

Chad's property tax is $ 614.96 and is due April 25. He does not pay until June 3. The county adds a penalty of 9.1 % simple interest on unpaid tax. Find the penalty Chad will pay. (Assume there are 365 days in ayear.)

graph the equation y=2x-4 graph the following equation

Dalam sebuah penelitian, seorang peneliti ingin mengambil sampel acak sederhana dari kelasberisi 50 siswa. Setiap siswa memiliki nomor identifikasi, dan peneliti akan menggunakangenerator angka acak. Bagaimana peneliti dapat melakukan sampel acak sederhana dalam halini

Convert the following number from decimal form to the given base. 200 to base six 200= ? 6

)'k w AiLEKSLiardan Baghe ' i ii: ".mm."....a...\"an...\"hm.mm.mmmmw-wymm_m-m-.._,._~.._.._......___..._.__. Secure i httpszwwa An ordinary (fair) die is a cube With the numbers Ithr-ou painted spots)\" Imagine that such a die is mlied twice the two roiis are added tngether.' This Sum randnm 'exgerimvnnti Compute the gmheihiiity hf Each of the

PLease help me with this maths 009 questions. QUESTION 1 0.4(4.6x+4.7) =1.6(2.2x+6.9)4.5 QUESTION 2 A secretary is granted a 2.8% salary increase.If the secretary's current salaryis $3,600 per month, find the secretary's new monthly salary, rounded to the nearest dollar.

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Jamie Dean contributes $125 at the beginning of each month into an RRSP paying interest at 6.5% compounded semi-annually. What will be the accumulated balance in the RRSP at the end of 25 years?

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Exercise Set 7.4: The Binomial Distribution Determine if each of the experiments below is a binomial experiment. (Answer Yes or No.) If the answer is No, explain which requirement(s) have not been met. 1. A fair die is tossed 5 times to determine the number of times that an odd number is obtained. 2. A fair die is rolled until a \"2\" is obtained.

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There are 2000 students in a course. They wrote a mathematics test which was scored out of 40 and then converted to percentage. Q1 . Draw a flowchart that reads the name, sex and score of each student, and outputs the names of the female students that scored below 45% and how many they are. Q2. Write a pseudocode program that reads the name, sex

You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each. The results are shown in the table below. At alpha equals 0.01 , can you

Please answer the following question thoroughly in no less then 100 words or less. Thank you! What is the difference between Equation and Expression?

if an object is projected upward with an initial velocity of 127 ft per sec, its height h after t seconds is h= -16t2 +127t. Find the height of the object after 5 seconds

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For the polynomial function, y=3x 4 +6x, identify the degree, lead coefficient, and maximum number of turning points. Not sure how to set this one up.

Jessica takes a loan of $800 for 4 months at 12% simple interest. how much does she owe at the end of the 4-month period?

A tank contains 2000 L of a solution consisting of 50 kg of salt dissolved in water. Pure water is pumped into the tank at the rate of 10L/s, and the mixture (kept uniform by stirring) is pumped out at the same rate. How long will it be until only 5 kg of salt remain in the tank?

Determine whether the lines are parallel, perpendicular, both, or neither. L1:y=3x+5 L2:y= -1/3x+5 Parallel Perpendicular Both Neither

#49 Hello I am having problems figuring out how to find the solution to this answer - may you show me the steps so I may better understand? Thank you. \f
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The scores on a test are normally distributed with a mean of 50 and a standard deviation of 10 . Find the score that is 1 and 1/2 standard deviations above the mean.

In a population health sense, how do you think the quality of larger groups can improve if the mental health class is implemented at a larger scale? You mentioned there is a significant increase in nurse competency pre and post, was there also a statistical significance? What was the statistical test they ran to show significance, and what was the

Find the minimum value ofxe^x-1with your graphing calculator. Graph in the window [-3, 3, 1]by [-1, 1, 1].

12:00 ..| LTE C41} Take Quiz Exit Ch 8 & 9 Homework Quiz A' Started: Jun 5 at 10:04am Quiz Instructions Chapter 8 & 9 Homework Quiz. There is no time limit and you may take the quiz four mes, with only the highest score counting. The quiz will close Sunday night, 6/5/22. Question 5 1 pts Select the missing formula from the following Bronsted
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A store owner ordered 25 calculators that cost $30 each. He can sell each calculator for $35 each. He sold 22. And had to return 3 calculators and pay $2 for each returned. What's his profit? Explain.

Three critical number problems, no long explanation needed..thank you!! \f0mm 5 Find the critical numbers ufx} = 4x3 + 12.: 2 and classify all local extreme values. a} .3. Critical nos. :1; lccal masl) = 14; lacs] miuf(l) = 13. b} .3. Critical uc. D; lccal maxil] = 2. c} Q'C'ritical ncs. :I:l; lccal mastl] = 13;lccal miuf[1)= 14. d} .3. Critical
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A catering service offers 6 appetizers, 9 main courses, and 7 desserts. A banquet chairperson is to select 2 appetizers, 6 main courses, and 6 desserts for a banquet. In how many ways can this be done? If you need help click on "Explain".

Use the discriminant to find the number and kind of solutions for the following equation. 5a=4a^2-4 D= Is D: One Rational Two Rational Two Irrational Two Complex

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Choose the correct simplification of the expression 4 over y to the power of negative 3. 4y3 4 over y to the 3rd power y to the 3rd power over 4 This expression is already simplified.

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Consider the following statement (x is a real number): > 10(2 > 100). a. Rewrite the statement equivalently in the form (()) where is some predicate with the set of real numbers as the domain. State the general rule you are using. b. Negate formally and simplify, but do not use conjunction. c. Negate the statement you found in a. and simplify. d.

a certain characteristic is present in 4% of a given population. If X represents the number in a sample of size n who have the characteristic, the X has a binomial distribution. How large must n be in order that the normal approximation to the distribution of x be valid?

150 mg of an antibiotic to be given every 6 hours. Your child weighs 30 lbs. Your research indicates that 20-40mg/kg/day is the recommended dosage.is this prescription safe for your child. If not what would a safe dose be?

A box with a lid is to be made from a rectangular piece of cardboard measuring 24cm by 72cm. Two equal squares of a side x are to be removed from one end, and two equal rectangles are to be removed from the other end so that the tabs can be folded to from a box with a lid. Find x such that the volume of the box is a maximum.

The length of a rectangle is 2 meters longer than the width. If the area is 20 squaremeters, find therectangle's dimensions. Round to the nearest tenth of a meter.

Translate the sentence into an inequality . The difference ofb and9 is at most17

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Subtract the following polynomials: (4x - 9x - 7) - (3x - 5x - 6) Multiply and combine like terms: (x - 10)(x + 9) Multiply: (3x - 5y) 2 Factor completely: 10r 3 s 2 + 25r 2 s 2 - 15r 2 s 3 Factor the trinomial: 3x 2 + 7x + 2 Factor by grouping: 2ax + 5a - 8x - 20 Factor: Solve the equation byfactoring: x 2 - 7x + 12 = 0 Write using

To determine what effect the salespeople had on purchases, a department store polled 700 shoppers as to whether or not they had made a purchase and whether or not they were pleased with the service. Of those who had made a purchase, 120 were happy with the service and 113 were not. Of those who had made no purchase, 149 were happy with the service

1. QUESTION 3 Use grouping to fill in the factorization: (___)(___) A . B . C . D . 4 points QUESTION 4 1. Which of the following is a factorization of ? A . B . C . D None of the . above 4 points 1. QUESTION 5 What is the greatest common factor of A . B . C . D . and

MATH 233 Unit 5 Individual Project NAME (Required): _____________________________ In this IP assignment, you will have a choice between two different Unit 5 IP assignments. Complete only 1 of the following two assignment choices. Unit 5 IP Assignment Choice 1 The Internet is defined as a worldwide interconnection of individual networks operated by

29. The fuel EfCiEle' F fer a particular ear is given by Frx) =4).me +1.6561 + 5.4 whemx is the speed of the ear in miles per 1|er (mph) and Fljx} is the corresponding fuel r.:l'r:iel1i;:r in miles per gam] (mpg). {21] What is the fuel efciency if the car's speed is 2121 mph? [In] What Speed Will yield the maximum fuel efciency? Show work. x+13 34

1. Fill in the membership table below. A B C B AB A AU(BC C C ) 1 1 1 1 1 1 1 1 1 0 0 1 0 1 1 0 1 0 0 1 1 1 0 0 0 0 0 1 0 1 1 1 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 (AB) U(AC) 2. From the membership table above, we determine that AU(BC) = (AB) U(AC). a. True b. False 3. Find 4. Find 5. Find 6. Find 7. Find

1.Find the augmented matrix representing the system of equations. x1 + x2 + x3 = 4 x1 + 3x2 + x3 = 2 x1 + 3x2 + 2x3 = 5 2. Find the augmented matrix representing the system of equations. 2x1 + x2 + 4x3 + 5x4 + 2x5 = 5 x1 + x2 + 5x3 + 3x4 + 3x5 = 2 3. Interpret the row-reduced matrix as the solution of a system of equations. (Enter your answers as

14. You plan to purchase a house for $325,000 and you will make a 20% down payment. You are evaluating two mortgages a 30-year fixed mortgage at 2.77% and a 15-year fixed mortgage at 2.15%. Your goal is to have a monthly payment that fits within your budget. a. Which mortgage will give you the lowest monthly payment? What will that payment be? How
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How to prove Prop. 2.7? It is from a invertible function class. \f
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solve the absolute value equation |40-10x|=25 solve the absolute value equation |3y-2|=|26-4y|

Don was helping to manage the customer lines at his store. He had been spending a considerable amount of time on the phone with customers. He wanted to start recording the number of minutes that each call lasted with the customers that he spoke with in each hour. He spoke with customers for 22 minutes total during the first hour, 26 minutes the

The function that models the consumption of a certain medication over the years 2000-2010 is f(x)=115.21x + 2245, where x is the number of years after 2000 and y is measured in grams per 100,000 people. Find the inverse of this function. Please help because I am lost

f(x) is a linear function that has valuesf(-2)=-43andf(6)=53 Find an equation for the function in slope-intercept form.

Determine the area under the standard normal curve that lies to the left of (a)Z=0.57(b)Z=1.13 (c)Z=1.39,and (d) Z=0.02. (a) The area to the left of Z0.57 is (b) The area to the left of Z -1.13 is (c) The area to the left of Z 1.39 is (d)The area to the left of Z 0.02 is

Faith wants to use the formula C(f) = 5/9 (f 32) to convert degrees Fahrenheit, f, to degrees Celsius, C(f). If Faith calculated C(68), what would her result be? 1) 20 Celsius 2) 20 Fahrenheit 3) 154 Celsius 4) 154 Fahrenheit

Types of problems you will be solving in your career. Health and Services Scenario. The purpose of this assignment is to get you to think about what types of problems you will be solving in your career using data. In this assignment, you choose a topic and the associated problem to solve. You will solve the problem throughout the rest of this

Use a proportion to set up and solve the following problem.Round your answer to the nearest tenth if necessary. A 8.5 ft tall telephone booth standing next to a woman casts a 48.5 ft shadow.If the woman casts a shadow that is 30.2 ft long, then how tall is she?

One common method of converting symbols into binary digits for computer processing is called ASCII (American Standard Code of Information Interchange). The uppercase letters A through Z are assigned the numbers 65 through 90, so A has binary code 1000001 and Z has code 1011010. Lowercase letters a through z have codes 97 through 122 (that is,

A researcher wanted to know if the content of Amazon programs has an impact on viewer's recall of ad content. He randomly assigned 108 people to view a program on Amazon with violent content, and 110 people to view a program on Amazon with neutral content. The same 9 commercials were inserted into each Amazon program. After viewing the Amazon

for the function 3x 4 - 4x 3 + x 2 + 6x - 2 a. State the degree of the polynomial b. State the number of zeros the polynomial function will have. c. Use the Rational Zero Theorem to list all of the possible rational zeros. d. Use your calculator to determine which numbers in the list of rational zeros are probable rational zeros. e. Use synthetic

The number of kilograms of water in a person's body varies directly as the person's mass.A person with a mass of 90 kg contains 60 kg of water.How many kilograms of water are in a person with a mass of 50 kg?

can you please help me with these set of questions A physician orders 2000units of heparin an hour for a patient to be given by IV infusion.The pharmacy provides a bag containing 25,000units of heparin in 250mL of 5% dextrose. What should the infusion rate for the bag be set to in mL/hr to achieve the physician's desired dose? Round your answer to

can you show and explain how to solve each inequality, graph each solution and give interval notation: 4 + 2(a + 5) less than or equal to -2(-a - 4)

Question 9 The percent markup on a video game is known to be 108% based on cost. If the seller paid $35 for one, then what would be the corresponding percent markup based on the sale price? (Round to the nearest tenth percent) a. 51.9% b. 28.0% c. 31.2% d. 355.8%

Homework 3 (I need specific solution to this question, have no clue how to do it) Decision Models 1.Consider a single queue single server system. Manually, simulate the customer arrival, service times, and customer departure for the first seven customers of the day. Assume that the number of customers arriving to the system follow a Poisson

suppose you want to buy a car and have decided that you can save $100 a month using information from internet source determine the current interest rate on savings accounts and use the information

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Use the normal distribution of SAT critical reading scores for which the mean is 514 and the standard deviation is 111. Assume the variable x is normally distributed. (a) What percent of the SAT verbal scores are less than 625? left parenthesis b right parenthesis (b) If 1000 SAT verbal scores are randomly selected, about how many would you expect

Tayshawn is playing a dice game. He will roll a die (an ordinary, fair, six-sided die) three times. In order to win the game, he must roll a "6" on the first roll and at least one of the other rolls. What is the probability he will win?

Find the simple interest. Principal = $2000 Rate =6 % Time in months= 3

How much would it cost for Chester Corporation to repurchase all its outstanding shares if the price fell by 10%? Assume no brokerage fees. Select: 1 $105.8 million $90.2 million $100.2 million $95.2 million

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Youve received your raise pool for the year and its not as big as you had hoped. You fear that you wont be able to provide the kind of raises you think most of your employees deserve. The only problem is that the human resources department requires that performance evaluation scores be aligned with raises. Thus, you wont be able to give your

Traffic signs are regulated by the Manual on Uniform Traffic Control Devices (MUTCD) The perimeter of a rectangular traffic sign is 120 inches. Also, its length is 12 inches longer than its width. Find the dimensions of this sign. The width of the sign is ______ in. The length of the sign is _______ in.

For each of the following data sets, write system of equations to determine the coefficients of the natural cubic splines passing through the given points. If a computer program is available, solve the system of equations and graph the splines. \f
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Review sections R.1 through R.4, and 1.1 through 1.7 in your text. As you review this information, think about how some of the formulas that were presented to you can help you in your life or in business. For this discussion, post a real-life formula and explain how it is used in everyday life or in business. Use this book to Algebra For College

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At noon, ship A is 100 km west of ship B. Ship A is sailing north at 40 km/h and ship B is sailing south at 24 km/h. How fast is the distance between the ships changing at 4 PM? {3 pelnte} At noon, ship A Is 1DD km west of ship [3. Shlp A Is eelllng north at 4B kmm and ship B Is eelllng south at 24 kn'v'h. Hew fest Ie the dletence between the
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The standard error of the regression: A) may be cut in half to get an approximate 95 percent prediction interval. B) is based on squared deviations from the regression line. C) may assume negative values if b 1 < 0. D) is in squared units of the dependent variable.

For people who are not selfemployed, the 2012 FICA tax rates 2012 Marginal Tax Rates, Standard were as follows: Deductions, and Exemptions 5.65% on the first $110,000 from wages and tips Tax Rate Single 1.45% on income in excess of $110,000 10% up to $8700 Taxpayers are not permitted to subtract adjustments, exemptions, or deductions when

e. I, II, III, IV, V, VII, VIII. Use the following information to answer questions 4 - 6 3 6 {Op 1929 33 49 53 65 79 8) 2, 4, 6, 8}9F:{193349 59798} 3 3 8, 9}. Find each of the given sets. 4. EC a. {O, 1, 51, 6, 9} b. Q c. {1,3,5,7,9} d. {O, 1, 4, 6, 8, 9} e. {3} 5. FHE . 0Math 1313 Homework 13 Section 5.1 If", A' n Dl A n .

When Jerome improves his game of darts the chances that a she hits a bullseye is 3/5. Assume that each throw is independent. (4 marks) What is the probability exactly 2 of the three hit the bullseye?

I am really confused on a math problem. Iam not quite sure how to find estimates. The question is: Is 6,874 a reasonable answer for an estimate pf 7,000? How do I find this out

I need help with taking a test. I am willing to pay for the help. I struggle really bad in math and I can't fail this class. I have to work out all my problems and some of the math I don't understand.

below I need to find the slop of the line passing through the pairs of points, (0, -6) and (3,-3) (-4,-10) and (2,8) (6,10) and (2,6) (5,-3) and (3,3)

24% 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. Find the probability that the number of college students who say they use credit cards because of the rewards program is(a) exactlytwo, (b) more thantwo, and(c)

1.An elevator is able to raise 9,800 N to a height of45m in20s. a.How much work does the elevator do? b.What is the elevator's power output? 2.It takes140minutes for a middle-aged physics professor to ride his bicycle up the road to Alpe d'Huez in France. The vertical height of the climb is1,120 m,and the combined mass of the rider and bicycle

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1) Discuss specific challenges associated with qualitative "people" research. 2) Practically, how can these challenges be worked around or avoided? 3) What role does the Christian researcher have, specifically, in the ethical conduct of people research.

Anthony purchased a $246 stereo system at Wrigley's Department Store. He paid $50 down and agreed to pay the balance in 12 equal monthly payments. The finance charge was 8.8% simple interest. What was the amount of each payment? State your answer in terms of dollars, rounded to the nearest cent, but do not include a $ sign or the word "dollars"

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How the degree completion frequency is affected by the student's GRE test score and gender?HypothesisNull hypothesis: There will be no existing significant effect on the student's degree completion by their gender and GRE test scores.Alternative hypothesis: A significant effect exists on the degree completion by the student's GREtest score and

-100L of patient sample was mixed with 300L of diluent and then multiplied the result by 3 to make up for the correct. Is this corrected concentration accurate, too high, or too low? If inaccurate, by what percentage? -A calcium standard solution contains 10mg/dL of calcium. What is its concentration in mm/L? -How much alcohol is required to

solve: | x-3| > 8 ____________________________________________

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