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march 2018
28

Mathematics Questions and Answers March 28, 2018

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Homework: HW 14 - Section 3.1 Question 9, 3.1.37 HW Score: 28.57%, 4 of 14 points O Points: 0 of 1 The principal P is borrowed and the loan's future value A at time t is given. Determine the loan's simple interest rate r to the nearest tenth of a percent. P = $4700.00, A = $4741.13, t= 3 months % (Round to the nearest tenth of a percent.)

MATHEMATICS 5 LEARNING ACTIVITY SHEETS Q4- W 6 solves routine and non-routine problems involving temperature in real-life situations M5ME-IVf-87 Example: At the start of the marathon the thermometer registered a temperature of 36"C. After the marathon, the temperature dropped by 4"C What was the temperature after the marathon? a. What is being

(Comparing Data MC) The tables represent the points earned in each game for a season by two football teams. Panthers 14 10 10 10 17 3 28 13 17 32 16 10 14 7 21 Cowboys 10 3 8 6 24 12 21 3 10 28 28 7 7 13 3 Which team had the best overall record for the season? Determine the best measure of center to compare and explain your answer. A)Panthers;

4) The figure below explains how to determine the appropriate hypothesis test to perform. That is, the figure shows which approach to take in testing hypotheses for the two parameters discussed in this module: the population mean and the population proportion. Write a paragraph explaining and discussing the figure. (Points: 25)

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Consider the following exponential probability density function. f(x) = e -#/5 for x 2 0 If needed, round your answer to four decimal digits. (a) Choose the correct formula for P(x 5 xo). (1) P(= S 20) =1-e /5 (ii) P(z

Let R be a (not necessarily commutative) ring with unity. Prove that a,b are units in R then ab(italic) is a unity in R

1. A mass is attached to a spring, and then pulled and released 8 cm below its resting position at the start. If the simple harmonic motion 1 is modeled by y = acos (t - c), where a > 0, c the least 10 nonnegative such number, and t in seconds, find the location of the mass 10 seconds later

uiz Two 1. Perform the indicated operation: - 2. Find matrix product: 3. Find the inverse: 4. Graph the feasible region for the system of inequalities: 3x - 2y 6 x + y -5 y -6 5. Use graphical methods to solve the linear programming problem: Max z = 10x +8y Subject to: 2x + 3y 100 5x + 4y 200 x 10 0 y 20 6. Transportation A manufacturer of

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(a) Find the slope of the line connecting the point (2, 5) to the point (4, 10). Slope = help (numbers) (b) Find the slope of the line connecting the point (4, 10) to the point (8, 15) Slope = help (numbers) (c) Find the slope of the line connecting the point (8, 15) to the point (16, 20) Slope = help (numbers) (d) Could the table below represent

Activity 2.2 Differences of Lunar and Solar Eclipses Complete the Venn diagram about the differences between lunar and solar eclipses below. Write your answers on a separate sheet of paper. Lunar Eclipse Both Solar Eclipse 2_light is passes through the blocked by the Earth's shadow Moon Happens during a Happens during a 3 _ moon 4 moon Occur when

Hi it is about Differential equuations (system of linear equations) repeated values Find all the solutions of the given difference equation and graph its phase plane with the help of some mathematical program. Remember that the first step is to calculate the values and eigenvectors and according to your case, write the procedure that leads you to

The Solve for T needs to be in Log form Define an exponential function, h(@), which passes through the points (1, 81 ) and (5, 625). Enter your answer in the form a . b. h(x) =Given log, (E) = 45 and log (G) = 29, compute each of the following quantities. (a) log (EG) Answer (b) 10gp (a) Answer (c) 105p (G6) Answer logn (E) (d) 1ogn (P)

What is a polygon? What are some of the basic characteristics or properties of polygons? How are polygons classified? How can you find the sum of the angle measures for a polygon?

Based on what you have studied in this unit, reflect and answer the following questions: What are the main characteristics of the normal distribution? Why is it advantageous to use the Z scores? For a standard normal distribution, about 68% of values falls within one standard deviation of the mean; about 95% falls within two standard deviations;

Your assistance would be appreciated with this question In a candy shop, chocolate which sells for S4 a pound is mixed with nuts which are sold for S2.50 a pound are mixed to form a chocolate-nut candy which sells for S3.50 a pound. How much of each are used to make 30 pounds of the mix- ture

schoolwide rewards pbis tier 1, Discuss how data will be collected; how often, who will collect which data, how often data will be collected, etc.? Example data collection form(s)

Ok, need some real help. 1)Which undefined terms are needed to define parallel lines? (3 points) Point, line Line, plane Coplanar, line Point, coplanar 2) A line is an undefined term because it (4 points) contains an infinite number of points can be used to create other geometric shapes describes something that does not have width or depth is a

If you decide to deposit $156 per month into an account earning 4.8% annual interest compounded monthly. (round to the penny) How much money will the account contain in 10 years? $ Blank 1. Calculate the answer by read surrounding text. How much money did you deposit in total over the 10 years? $

A. Graph the function below. \f
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Having trouble and don't think I'm right and have limited time of 13mins Justice is investigating how long his phone's battery lasts (in hours) for various brightness levels (on a scale of 0-100). His data is displayed in the table and graph below. Brightness Level (x) Hours (y) 5.5 m 5.7 .7 m 3.2 35 2.8 .6 (a) Use the Corr/Regression to find the

WW2.1: Problem 2 Previous Problem Problem List Next Problem (1 point) Solve for X. 8 4 9 5 4 = -5X + 2 3 -7 -4 6 -2 -1 X =

score: 0/ 100 0/2 answered Question 3 Convert the measurement. 280 mi = in Submit

In order for you to carry a bag on the plane, it must t inside the Carry-on Baggage Check Box. The Carry-on Baggage Check Box has dimensions of approximately 22" x 14" x 9". Your leather bag has a height of 18 inches, a depth of 12 inches, and a width of 8 inches. Your canvas bag has a height of 18 inches, a depth of 15 inches, and a width of 10

Queshoo Question 19 2 pts Question 8 Time Running: Hide Time Attempt due: Jun 7 at 1:30pm Given the dimensions shown in the figure, compute the volume of this prism. 1 Hour, 48 Minutes, 17 Seconds 12 in 20 In -14 in O 1680 cu.in th O 1675 cu.in O 1685 cu.in O none of the above Next >

A student needs $7000 every six months to pay living expenses while at college. It will take him 5 years to complete his degree. Find the (a) lump sum that must be deposited to meet this need and (b) the interest earned assuming 4% per year, compounded semiannually. Click here to view page 1 of the present value of an annuity table. Click here to

Math 216 Homework webHW4, Problem 6 Apply the eigenvalue method to find the solution to the system of differential equations , 2 4] X = X 1 1 3 x(0) [3]. which satifies the initial conditions M II

(a) Determine the end behavior and degree of the function (b) Find the x- and y-intercepts of the graph (c) Determine whether the graph crosses or touches the x-axis at each x-intercept (d) Use the information obtained in (a) - (c) to draw a complete graph of f by hand. Label and properly cross all intercepts 25) f ( x ) = x 2 ( x + 6 ) 3 ( x 4 )

The value of a lucrative stock grows exponentially and doubles in value every 8.5 years. How much is $2,500 of the stock worth after 10 years?

Recs Skill plans Math Language arts Science Geometry ) T.13 Surface area and volume re You have prizes to reveal! Go to your Ver en espanol The volume of this triangular prism is 52.0085 cubic yards. What is the value of p? 4.3 yd 4.1 yd yards Submit

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RT is a common tangent to circle P and circle Q. Points R and S are the points of tangency P R and QS are radii of the given circles QS = 7, ST = 24, RT = 48 PR = _____ QT = _ PT = _____ NOTE I got the answer for PR correct (14) but I need help on the other two. I got 22.96 and 45.91 but they are wrong because the right angle is in

How do you think the interval of testing is determined for the emergency core cooling system

In a 2 Best Ball of 4 Net format: a. The scorecard does not need dots b. The scorecard does not need a date c. The scorecard does not need names d. The scorecard needs a date, dots and players names

If the center of a circle is at (a,b) and the radius of the circle is c, how would you write the equation of the circle If the center of a circle is at (a, b) and the radius of the circle is c, how would you write the equation of the circle? A machine part is a 4-in.-square piece of metal plate with a round hole 2 in. in diameter drilled through

Question 13 (4 points) Let S be any set. Prove that there exists a unique set T such that T Q S and S T = (D

joint probability (pdf and cdf). The question is as below: Problem #4 (20 points) - Joint pdf And cdf Suppose that the joint pdf for two randorn variables X and Y is given by f (I: y) = Ah? + 1;)2E'M'J'\") for (I: y) in the rst quadrant and zero everywhere else and A is a positive corrstant. a. (3 points) Determine the value of A. b (6 points)

""J __1_._._ _ \\ 38. Prove the sum of angle formula for the sine function by following these steps. Fix x. (a) Let f(t):= sin (x + I). Show that f"(t) + f(t) = 0, f(0) = sin x, and f '(0) = cos x. (b) Use the auxiliary equation technique to solve the initial value problem y" + y = 0, y(0) = sin x, and y'(0) = cos x. (c) By uniqueness, the
$""J __1_._._ _ \\ 38. Prove the sum of angle$

What is the inverse function of the f(x)= 2 x ? A) f -1 (x)=2x B) f -1 (x)= 2 x C) f -1 (x)=x+2 D) f -1 (x)=x-2 E) f -1 (x)=2x+2

Solve the equation. If you have more than one solution, separate them with a comma. 8|x| -4=12

QUSOLICIT What are the roots of a quadratic equation? A The x -intercepts of the equation. B The y -intercepts of the equation. C The vertex of the equation. D The factored form of the quadratic

FLG (Finger Licking Good) Chicken Shack, like most eating establishments, saw a significant increase in theirDriveThrubusinessbecauseoftheCOVIDpandemic.Theestablishmentoriginallywasintendedas a casual sports bar and a DT window was added as a convenience feature for customers who want to pick up a meal to take home.However, with the restrictions

An SRS of 25 recent birth records at the local hospital was selected. In the sample, the average birth weight was = 119.6 ounces. Suppose the standard deviation is known to be = 6.5 ounces. Assume that in the population of all babies born in this hospital, the birth weights follow a Normal distribution, with mean . Based on the 25 recent birth

Problem 8 (streamlines, Haberman 2.5.17-19) (a) Show that the transport equation for the motion of mass under a velocity field v implies div v = 0 (5) when the mass density p is constant. (b) Show any velocity field given by v = (v -up) where y : 1 - R with y a solution of Laplaces equation on some open set U C R' satisfies (5). (c) Assuming the

write a small paragraph about Some people spend hundreds of dollars per year on lotteries. After considering the probability of winning such a lottery, like the Powerball, comment on how much money you think someone should budget for lottery games. Give a reason or reasons for your

What is the axis of symmetry, the vertex and x and y-intercepts? X -7 -6 -5 -4 -A -2 -1 2 3 4 5 6 7

3 There are 40 students in a college statistics class. After the first exam, their instructor told Select one answer. them that the class scores were normally distributed with a mean of 76.9 and a standard 10 points deviation of 3.2. However, one of the students pointed out that the instructor recorded 28 for his score when he actually earned 82.

The graph below plots the number of votes (in the 10005] for George Bush across Florida counties in 2000 vs. the number of votes for Bob Dole across Florida counties in 1996. Based on this plot. is the linear regression slope coefcient greater than 1 or less than 1? (Note: you have all the information necessary to make this calculation) Number of

Below is annual stock return data Year Hollenbeck 12.5 % 15.25 % - 16.82 % 4 7.2 % a) What are the average return , va 6 ) What is the expected portfolio

A musician purchases a pair of cube-shaped speakers that are 9 inches across. If the face of the speaker takes up - of the total volume of the speaker, how much volume is left in both speaker cabinets? 1215 cu.in. 800 cu.in. 607 cu.in. 1458 cu.in

22. [-/0.13 Points] DETAILS LARMPMT1 15.4.011. 0/100 Submissions Used MY NOTES ASK Use the function y = 10x + 4 to make an input-output table. Use 0, 1, 2, 3, and 4 as the inputs. Input, x Output, Need Help? Read it 23. [-/0.13 Points] DETAILS LARMPMT1 13.3.012. 0/100 Submissions Used MY NOTES ASK YO Describe how to use a compass and a

In the construction A is the center of one circle and B is the center of the other identify all segments that have the same length as segment AB

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Round each decimal to the tenths place (one decimal). ABCD B (6, 6) A (9, 0) 10 10 10 GOKMARK C (6, 0) D (3, 6) 18 What is the length of AB

It is often said "If you cannot measure it, you cannot improve it" and "You cannot manage what you cannot measure." Give one example which justifies these and another example to refute them. In order to refute it, simply provide a situation where you can show how it is not easy to quantify some measure. For example, the number of attacks that were

According to your What You Need To Know section, a _______ is a statement that there will be no relationship between two variables. Group of answer choices research question independent variable null hypothesis dependent variable

SOLVING RADICAL EQUATIONS WORKSHEET Solve each radical equation. Remember to check your solutions! 1) x = V2x + 3 2) V3x - 4 = 5 3) V3 - x = V2x +5 4) V2x + 4 =0 5) 2Vx = 10 6) V2x + 12 = 8 + x 7) x - 8 = 2 - Vx+ 2 8) V2x + 3 = 2+Vx+2 9) Suppose you solved v3x + 1 = x - 1 and found the solutions to be x = 0 or x = -5. Are these solutions correct?

6.) {2, 6, 10, 14 ,18} {14 ,10 ,18 ,2, 6} Determine whether C. C, both, or neither can be placed in the blank to make the statement true. (2, 6, 10, 14, 18} (14, 10, 18, 2, 6} Choose the correct answer below. C & C None of the above
$6.) {2, 6, 10, 14 ,18} {14 ,10 ,18 ,2, 6}$

Add the following terms if possible. 6J7? +541oa m7, , . . ,, ,w Select the correct choice below and, if necessary, fill in the answer box to complete your choice. 0 A. 64/ 75 4* 54108 = L (Type an exact answer. using radicals as needed.) 0 B. The radicals cannot be combined

The average age of residents in a large residential retirement community is 69 years with standard deviation 5.8 years. A simple random sample of 100 residents is to be selected, and the sample mean age of these residents is to be computed. The probability that the average age, , of the 100 residents selected is less than 68.5 years is 0.805.

The top of a rectangular box has an area of 63 cm". The sides have areas of 84 cm- and 108 What are the dimensions of the box? The dimensions of the box are (Use a comma to separate answers as needed.)

V4x + 1+7 = x+6 ac Hint: Enter DNE if there is no solution or add a comma if there are more than One solution

Please answer and include matlab code (By Hand) Here are three facts: i. If B and C are square matrices, then | det (BC)| = | det(B) | | det(C)|. ii. The absolute value of the determinant of a unitary (orthogonal in real arith- metic) matrix is 1.iii The determinant of a diagonal matrix is the product of the diagonal entries. Use these three facts

1.Una funcin es una regla que asigna a cada elemento del dominio al menos un valor del rango? es cierto o es falso y porque lo es?

Please help me with this question. Problem FA (30 points) Consider the problem minimize a'x subject to A119 g b, 1191-E{0,1}1 3': 1,...371, and the problem \":1 minimize a'x + CZ $41 921) 21 subject to A119 3b, 03$!- 3 11 3': 1,...,n, Where a E R", b E Rm, A is an m X 71 matrix, and c is a positive scalar parameter. Show that if c is sufciently

5 ,4 2 0 4 4 4 4 , ' Are the vectors , and linearly Independent? 0 5 3 0 4 1 2 5 Choose V If they are linearly dependent, find scalars that are not all zero such that the equation below is true. If they are linearly independent, find the only scalars that will make the equation below true. COCO 75 74 2 0 DB4+UE+C1+C13 = 4 1 2 75

Can you tell me if my answers are right or give me the correct answers? the Sum of Two Dice Theoretical Probability Theoretical Probability Sum of the dice as a decimal rounded as a nonreduced Fraction to three places 2 1/36 0.028 3 2/36 0.056 3/36 0.083 4/36 0.111 5/36 0.139 6/36 0.167 5/36 0.139 4/36 0.111 10 3/36 0.083 11 2/36 0.056 12 261

Exercise 2 Let F be a field and let A E Max,(F) be a diagonalizable matrix. (a) Let k 2 1. Show that A* is diagonalizable. (b) Show that the transpose AT of A is diagonalizable. (c) Show that if A is invertible then A-' is diagonalizable

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SUMMARY OUTPUT Wins v. Team Payroll Regression Statistics Multiple R R Square Adjusted R Square Standard Error Observations 30 ANOVA df SS MS F Regression 1032.6 1032.6 13.7 Residual 2109.7 75.3 Total Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 67.6 4.02 16.8 3.515E-16 59.4 75.9 Payroll 0.249 0.0673 0.0009 0.387 Based

Answer all questions down below. Find the limit of question 1-5 X42 x+6 , for *

Assigned any numbers for x and y in the first two columns. x y x 2 y 2 xy x y x 2 y 2 (xy) Complete the table and calculate sums in the last row. We will use these sums to calculate Coefficient of Correlation and Equation of Linear Regression. Part 1. Use following formula to calculate Coefficient of Linear Correlation: After you have your r value

Subject : Differential Equation (It's a Very Important AssignmmentSo Please If you don't Know the Answer Please Don't put any Wrong Answer Its a humble Request) ? 3. Find two power series solution of the given differential equation (10) (x21)y\"+xy' y=0

women and men as they age from 25 to 75 years. Age is represented along the x-axis, and percent body fat is represented along the Adth y-axis. For what age does the percent body fat in men reach a maximum? What is the percent body fat for that age? h. C) With aging, body tat increases and muscle mass declines. The graph to the right shows the

Math 113 Joe is a cell rep whose territory consist of six cities in the mileage chart to the right Joe wants to visit customers at each of the cities starting and ending his trip in his hone city A his travel costs ( guess insurance etc.) average $1.25 per mile find the cheapest -link tour , and give the total cost for his tour the A B C D E F A *

1. What is the sum of the interior angles of a quadrilateral? 2. What is the sum of the exterior angles of an octagon? 3. How many sides does a polygon have if the sum of its interior angles is 1260? 4. How many sides does a polygon have if the sum of its interior angles is 1807 5. What is the measurement of an interior angle of a regular nonagon?

For continuous data (like Age), create "bins" (ranges, such as 10-19, 20-29, etc.), and use the Frequency function to group data into these ranges.explain this to me and how I would do it in excel

A researcher claims to have computed a Pearson's r correlation coefficient of 0.802 for the relationship between biological sex and height. Statistically, explain what is wrong with this researcher's analysis.

What is a prediction drawn directly from a theory? Group of answer choices Dependent Variable Independent Variable Research question Hypothesis

I need to upload a word document for tutors to see and it says it is not supported. Can someone assist me with this?

Example 2: Frequency of Women in Parliament , by Type of Electoral System , Controlling for the Cultural Acceptance of Women in Political Leadersth .ts there are difference in the acceptance of women in political leadership when it comes to electoral systems 3 [Test it at tr=0.05.]

Please follow the similar sample question's answer format. Main question: 9. Use substitution method to simplify the following expression step-by-step by using only one law at each step and with the name of the law cited: An(BUC)~(A-B)~(BUC') AU(Un(BUA)) = U Proof AU(UA(BUA)) = AV(BUA) Identity law = AV(AVB) Commutative law = (AVAUB Associative

Required: Read the remainder of this detailed article and, with the aid of a graph, explain the concepts of supply, demand, production, scarcity, choice and opportunity cost in the context of the article. Reflect on how inconsistent access to energy will affect the South African economy. In addition, briefly discuss an ethical approach to the

Use the ALEKS calculator to evaluate each expression. Round your answers to the nearest hundredth. si 56 tan 54% Cos 10%

Solving a word problem using a quadratic equation with rational roots The length of a rectangle is 4 ft less than three times the width, and the area of the rectangle is 55 ft . Find the dimensions of the rectangle. At 00 Length : X 5 Width : I ftAn aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars to make each

The half-life of chemical substance is approximately 9 years. Initially there is 80 grams of the chemical substance, the amount of chemical substance remaining, A, at any time during the process can be modelled by the function Amen where t is the approximate age of the sample, in years. Algebraically determine how long, to the nearest year, until

1524.023 Fall 2021 Homework: HW 13 - Section 2.6 Question 4, 2.6.11 HW Score: 0%, 0 o Points: 0 of 1 Write the equation in equivalent logarithmic form. Complete the equivalent logarithmic equation. F = RW

Answers please Name Real Number System Each number has been classified as a real number, rational number, irrational number, natural number, whole number, and/ or integer. Directions: Tell whether each statement is true or false. If the statement is false, cross out the classification that makes it false, or add the classification that is needed

23 Use the following information for the next question. put of 60 W Light bulb Internal 'Neutral' line Circuit 'Ground' line External casing of la in p In a lamp there are two electrical connections one at the bottom of the socket referred to as the bottom button and the other is in the threads along the inside of the socket. When a light bulb is

D solve the equations and 2 3 ) Sx - 1 = - 2 3) use calculator to get appproximate real solution of the equation 4 Solve the inequality Interval notation 5) Given f(2 ) = - 3212- sets find + ( - 2 ) Given F (2)= 2- be and 9( 2) - 726+4 find (fig ) z (1 Given F() : 426-9 and g( 20) = 6 + 4 find ( fg ) ( ) 8 ) Onven flee ) =-sacty and g( 20 ) =

Solve for this particular solution of every differential equation. 1. (2xy+x)dy - [x 2 +y 2 +y+1]dx=0 when x=1;y=0 2. (x+1)dy + 2(y+1)dx=2(x+1) y + 1 dx whenx=2;y=3

What is the primary purpose of a comparative bar graph? Select one: a. To compare the frequency distribution of a single dataset b. To compare multiple datasets across different categories c. To display the proportion of parts to a whole d. To show how a single category changes over time

f(x)=3x1 and g(x)=x2+1 .Evaluate the following expression. Round approximate answers to three decimal places

Which of the following represents the distributive property? Question options: O A) If a = b and b = c, then a = c O B) If a = b, then ac = bc C a(b + c) = ab + ac D) If a = b, then b = a

Question 8 Given that x = -1 is a zero of the polynomial P(x) = 23 +7x2 + 14x+8 find the other zeros of P(a). a) Ox = 1, x = 6

A dairy company gets milk from two dairies and then blends the milk to get the desired amount of butterfat. Milk from dairy I costs $2.40 per gallon, and milk from dairy II costs $0.80 per gallon. At most $144 is available for purchasing milk. Dairy I can supply at most 55 gallons averaging 3.9% butterfat, and dairy II can supply at most 80

Given that the formula for the calculation of the area of a rectangle is A: L W; where A is the area, L is the length of the rectangle and W is the width of the rectangle. Calculate the width of a vegetable garden with an area of 280 square feet (or ftz) if the garden is 15.5 feet long. W =

Como responsable del area de calidad de la cadena de Hospitales ABC, eres el encargado de analizar los problemas a los que se enfrentan los usuarios de los servicios hospitalarios para tal efecto, se ha organizado una ronda de entrevistas y encuestas mediante un muestreo representative con los usuarios, durante un periodo de tiempo de un mes, que

Can someone help me with these two questions :( 5 pts i can ride my bike 24 miles in 2 hours. How many feet can I ride per second? Notes: 1 mile = 5280 feet 60 minutes = 1 hour 60 secondi = 1 minute Answer: feet/sec D Question 6 5 pts , - w W , l When Ibuprofen is given for fever to children 6 months of age and up to 2 years. the usual does is 5

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