S
  1. study help
  2. subject categories
  3. sciences
  4. mathematics
  5. may 2023
  6. 13

Mathematics Questions and Answers May 13, 2023

Expert-verified solutions to help you succeed

What is the answer and how do you solve this equation? 3 3 + 4 2 5y= if y =4

1.)Two common names for streets are Second main Street and Main Street, with 15,122 streets bearing one of these names. There are 290 more streets named Second Second Street than Main Street. How many streets bear each name? 2.)About 250,000 people of a certain community live in the country. Of that number, 73,940 live in state A and state B. The

Competitive Advantage to Uniform Colors? In this exploration, we are going to explore three factors that inuence the strength of evidence in a test of signicance: (1) the difference between the observed sample statistic and the value of the parameter used in the null hypothesis; (2) the sample size; and (3) one-sided tests versus two-sided tests.
image text in transcribed

I don't know if this is the full proof for the following question (1). The images are just the theorems.... I am struggling to complete it starting how I did: This is my written proof: Suppose we have [(x,y)] = [(0,1)]. Then (x,y) ~ (0,1) Which implies x1=y1=0 It follows that x=0 Conversely if x-0 then [(0,y)]=[(0,1)]={0}. Exercise 1.5.3. [Used in
image text in transcribedimage text in transcribedimage text in transcribed

Income Expenses Part-time job: $800 / month Rent: $450 / month College fund from grandparents: $300 / month Groceries: $40 / week Scholarship: $4200 / year Tuition and fees: $2400 twice a year Incidentals: $140 /week
image text in transcribed

5. Minnie Rose deposited $16,000 in Street Bank at 6% interest compounded quarterly . What was the effective rate (APY)? Round to the nearest hundredth percent. (p. 301)
image text in transcribed

using the interest formula A=P(1+rt) solve for the indicated variable.

Along with this PFD, the demand was calculated to be around 7.61 batches per day, or 38.05 batches per week. This is the basis for determining if NoBul! Burger is successfuliy meeting demand with its current production
image text in transcribed

Math Question related to programming models in business: A simple random sample of 227 university students were asked what pasta they usually order and with which sauce. The preferences of these respondents are summarised below :

if cost of one mango is rs. 10/- then in rs.100/- how many mangoes can we buy ?

Find the first five terms in sequences with the following nth terms. a. 2n 2 +5 b. 3n+3 c. 10 n -2 d. 5n-3

Let E and F be events in a sample space with Pr[E] = 1/3, Pr[F] = 1/6, and Pr[E F] = 7/18 . Find Pr[E F], and use it to determine whether or not E and F are independent events.

Determine whether each statement is true or false. If the statement is false, make the necessary change (s) to produce a true statement. If f(x) = x 2 and g (x) = 5(x 2 - 2) then the graph of g can be obtained from the graph of f by stretching f five units followed by a downward shift of two units. If f(x) =xand g (x) =-xthen the graph of f and g

9. Create the stored procedure(s) that will withdraw a patient for both studies. You can do this together or 1 for each study. Remember a patient can go from Screening Visit to Withdrawal without being randomized. This will be up to the Doctor Your code just has to be able to do it
image text in transcribed

Belinda finds a CD with 2.8%APR compounded annually. How much money will Belinda need to invest in this CD if she wants to have a yearly income of $35,000 from her investment?

1. (40 points) a. (10) Calculate the general Euclidean distance between each of these instances, resulting in an upper (or lower) triangle of distances
image text in transcribed

Which is another option besides the one I chose? Which of the sets is a Dedekind Cut? Which of the following sets is a Dedekind cut (select all that apply): (2/3,co)nQ N
image text in transcribed

a)Give an example of a function and a point x=a such that the limit of the function as x approaches a does not exist but the function is defined at x=a. b)Give an example of a function and a point x=a such that the limit of the function as x approaches a exists but x=a is not in the domain of the function.

Factor Trinomials. y = 3x 2 +25x+42 Put this in factor form. Please explain the steps.

1) Formulate the situation as a system of inequalities. (Let x represent the number of goats the farmer can raise and y represent the number of llamas.) A rancher raises goats and llamas on his 400-acre ranch. Each goat needs 2 acres of land and requires $100 of veterinary care per year, while each llama needs 5 acres of land and requires $80 of

8. What is the probability that this student does spend more than $25 a week on gas, given that they commute to school each day? a. 0.1200 13. 0.8300 c. 0.0500 (1. 0.9500 e. 0.8800
image text in transcribed

Lamar is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges an initial fee of $ 55 and an additional 90 cents for every mile driven. Company B charges an initial fee of $ 60.50 and an additional 80 cents for every mile driven. For what mileages will Company A charge

Determine if the statement is true of false, and justify your answer. If A and B are invertible n n matrices, then the inverse of A + B is A 1 + B 1 . True, by the Big Theorem. True, by the definition of matrix addition. True, by the definition of invertible matrices. False. For example, let A = I n , and B = I n , then A + B = 2 I n , which is

5. The choices for problem number 40 part e from the book are given below. a. 0.5806 b. 0.1270 c. 0.8183 d. 0.6580 e. 0.4138
image text in transcribed

Write the expression as a single term, factored completely. Do not rationalize the denominator. 1 - 10 x -3+ 23 x -12

e. Provide examples of other lurking variables that may have an effect on weight besides height
image text in transcribed

Math Question related to programming models in business: A simple random sample of 227 university students were asked what pasta they usually order and with which sauce. The preferences of these respondents are summarised below : \f
image text in transcribed

10) How do your experimental values of "g" compare with the accepted value (g = 9.80 m/s2) for the acceleration of gravity? Give a mathematical comparison using what you learned about measurements previously. (Show work)
image text in transcribed

Last year, Shen deposited $2000 into an account that paid 2% interest per year and $3000 into an account that paid 6% interest per year. No withdrawals were made from the accounts. Answer the questions below. Do not do any rounding. (a) What was the total interest earned at the end of 1 year? (b) What was the percent interest for the total
image text in transcribed

\f
image text in transcribed

Questions: 1.) How can graphing methods be used to solve a system of linear equations, and how can you determine the equations of the two lines by analyzing the graph? 2.) How do you use properties of exponents and logarithms to rewrite functions in equivalent forms and solve equations?\

1) A lawyer has found 60 investors for a limited partnership to purchase an inner-city apartment building, with each contributing either $3,000 or $6,000 . If the partnership raised $261,000 , then how many investors contributed $3,000 and how many contributed $6,000 ? 2) The concession stand at an ice hockey rink had receipts of $7400 from

3. A survey showed that among 785 randomly selected subjects who completed four years of college, 144 of them are smokers. Use a 0.01 significance level to test the claim that the rate of smoking among those with four years of college is less than the 27% rate for the general population
image text in transcribed

Help help me with my quiz review sheet. Divide using long division 1) (4 a 4 - 29 a 3 - 59 a 2 + 27 a + 37) (4 a + 7) 2) (9 x 3 - 41 x 2 - 56 x - 25) (9 x + 4) 3) (28 b 4 + 24 b 3 - 60 b 2 + 40 b + 74) (4 b + 8) Divide using synthetic division 4) (10 x 3 + 92 x 2 - 71 x + 89) ( x + 10) 5) ( p 4 + 8 p 3 + 18 p 2 + 10 p - 13) ( p + 2) 6) ( x 4 + 4 x
image text in transcribed

Please can you help? :) Final Exam - Form A 1. Find the domain. a. f(x) = 3x-27 15x -21-3 b. f(x) = x +7x+10 x+4 2. Find p and q such that (2x + 3| $ 4 implies ps 23x-4 5 -Sq. 3. Show that a triangle with vertices (3, 7), (-1, 3), and (1, 9) is a right angled triangle. Find its area. 4. Find x such that a straight line passing through (x, 3) and
image text in transcribed

Here is the data for a graph: Vertex Set:{A, B, C, D, E, F} Edge Set:{AC, BC, BD, BF, CD, CE, DF} What is the degree of vertex F?[Hint:You may try drawing the graph below.] \f
image text in transcribed

Tengo dudas en las respuestas que tengo en blanco y si las que conteste estn correctas? MDULO 2 Nombre: Sheila Grier Hernndez | TAREA 2.2 Fecha: 12 de julio de 2020 Seccin: ONL Mdulo 2 2.2 Ejercicios de aplicacin (Valor total: 40 puntos) Instrucciones: Para los siguientes ejercicios, analiza cada una de las grficas. Completa la siguiente tabla con
image text in transcribed

1) Solve the system of equations by the Gauss-Jordan method. (Enter your answers as a comma-separated list. If the system is inconsistent, answer INCONSISTENT. If the system is dependent, parametrize the solutions in terms of the parameter t .) x 1 + x 2 + x 3 = 7 x 1 + 2 x 2 + 2 x 3 = 16 x 1 + 3 x 2 + 2 x 3 = 20 X1, X2, X3 = ( ? ) 2) Formulate

Help if you write hand it should be clear. The problem is fully not worries Combinatorial analysis: 1.Using the inclusion and exclusion method, calculate the number of Integers x such that 0 = x - 999,999 and the sum of the digits of x is 23. Tin lar in th
image text in transcribed

Please solve these two question, thank you so much ! Consider the matrix A = X(X X)-1XT. 6. X has 5 rows and 3 columns. What are the dimensions of A? 7. Pick any 5x3 matrix for X (at least 9 of elements of X have to be different from 0 or 1). Your choice! Calculate A ( A - I ). (Hint the answer to this question is possibly much shorter than what
image text in transcribed

Show whether or not a real 3x3 matrix A with eigenvalues -0.5, 0.2+3i, and 0.2-0.3i, and the following corresponding eigenvectors are diagonizable. \f
image text in transcribed

Transactions Consider the following transactions for Thomas Company and their effect on the accounting equation. Click on each transaction for transaction details. Determine the new balance for each component of ti accounting equation resulting from the transaction. (You will not need to enter the amount of each transaction, oniy the balance
image text in transcribed

1) Solve the linear programming problem by sketching the region and labeling the vertices, deciding whether a solution exists, and then finding it if it does exist. (If an answer does not exist, enter DNE.) Minimize C = 15 x + 45 y Subject to 2 x + 5 y 20 x 0, y 0 C = 2) Solve the linear programming problem by sketching the region and labeling the

a. Calculate Philagem's 2003 earnings per share (BPS). b. If the firm paid common stock dividends of $0.80 per share, how many dol-lars would 20 t0 retained earnings
image text in transcribed

word problem involving composition O GRAPHS AND FUNCTIONS Word problem involving composition of two functions The are. ) (in square meters) of a circular algae colony with radius r meters is given by A (r)= The radius M (t) (in meters) after t minutes is given by M (1) - - 14 3 Write a formula for the area Z () (in square meters) of the algae
image text in transcribed

A couple has up to $30,000 to invest in two mutual funds: the Templeton Global Bond fund (T) yielding 8% and Franklin International Small Cap Growth fund (F) yielding 12%. They decide to invest at most $12,000 in the F and at least $6,000 in T. They also want the amount invested in T to exceed or equal the amount invested in F. Use a geometric

A professor had students keep track of their social interactions for a week. The number of social interactions over the week is shown in the following grouped frequently distribution. How many students had at least 40 social interactions for the week?

A day on a planet X can be in 2 states: sunny or rainy. The climate of planet X is determined by the following pattern: every sunny day is followed by a sunny day with a probability of 2/3, and every rainy day is followed by a rainy day with a probability of 1/3. (a) Find the transition matrix that represents the above change in weather pattern.

\f
image text in transcribed

Consider the citiesA,B,C,D,E,FA,B,C,D,E,F. The costs of the possible roads between cities are given below: c(A,B)=16 c(A,D)=14 c(A,E)=12 c(A,F)=10 c(B,D)=17 c(C,E)=11 c(D,E)=15 c(D,F)=13 What is the minimum cost to build a road system that connects all the cities?

Create The view That will show all patients at all sites for both studies
image text in transcribed

c) Drawing a face card and drawing an ace from a full deck of playing cards are mutually exclusive
image text in transcribed

a rancher with 1000 meters of fencing wants to enclose a rectangular plot that borders on a river. if no fence is required along the river, what is the largest area that can be enclosed ?

1) Formulate the situation as a system of two linear equations in two variables. Be sure to state clearly the meaning of your x - and y -variables. Solve the system by the elimination method. Be sure to state your final answer in terms of the original question. A lawyer has found 60 investors for a limited partnership to purchase an inner-city

What are the answers Suppose H (x) = V2x2 - 9. Find two functions f and g such that (fog) (x) = H (x). Neither function can be the identity function. (There may be more than one correct answer.) x - X
image text in transcribed

4. In this problem we will be modeling how life expectancy changes across the ou states. To get more information about the data set you can do help (state. x77) First we need to convert the state.x77 matrix into a data frame. state_data
image text in transcribed

Find the continued fraction of square root of (13). (I know how to solve this part) Find all quadratic irrationals whose continued fraction has period 1. ( I am not sure how to solve this part of the question)

45. The skid marks for a car involved in an accident measured 200 feet. Use the formula, s= v24 d , to find the speed of the car before the brakes were applied. Round your answer to the nearest tenth
image text in transcribed

What differences are there in the yaw, pitch, or roll of a plane versus a shuttle? Are these mathematical differences, or simply semantics?

I need help using conditional proof. I'm having trouble with the wedge. \f
image text in transcribed

Hello, I need help figuring out how to solve 5 and 6. I know the answers are B for 5 and A for 6 I just don't know how my teacher got that. 5) Consider the feasible set, FS, shown below. Find the coordinates of the vertex B. 5) y x = 10 x + y = 20 FS X 2x + y =25 A) (0, 20) B) (5, 15) C) (10, 10) D) (10, 6) E) none of these 6) Find the slope of
image text in transcribed

if a number is 3 times bigger than the second number w, and their sum is 12, find the value of the number

Which one of these is the correct solution? I keep getting it wrong and I don't know which one its supposed to be and why \f
image text in transcribed

Is the set of Natural numbers (N) a Dedekind cut? Is the set of rational numbers (Q) a Dedekind cut?

Find the interest rate compounded semi-annually onP44,400 whose periodic deposit of P4,400 every end of six months for 6 years and 6 months. (Hint: Type II). round off your answer in two decimal places without percentage sign.

Question 4 (1 point) Given P(A and B) = 0.30, P(A) = 0.93, and P(B) = 0.32 are events A and B independent or dependent? Question 4 options
image text in transcribed

3. Purchase equipment The company pays cash for a piece of equipment. The list price was $9,100, but after negotiation, the final purchase price was $8,700. 4. Revenues earned During the year, Thomas Company earned revenues totaling $297,400. The cash has been collected from the customers for all revenue earned this year
image text in transcribed

Determine whether the correspondence is a function: {(A, a), (B, c), (C, e), (D, d), (C, b)}

Let V be a finite-dimensional vector space over a field F and let K V be a subspace. A linear functional l : V F can be restricted to a linear functional l|K : K F , so we have a function R : V K which it's easy to see is linear. (a)Show that R is surjective. (b)Show that kerR is canonically isomorphic to (V/K) .

/. A TV set listed at $1200 has a net price of $850. What is the rate of discount
image text in transcribed

find (1-cot200)(1-cot25) the answer is 2 solve only by using formulas

Please help 5.2 Activity: Graphs of Polynomial Functions For the graphs below, estimate the real roots of the polynomial function shown in the graph. Use a scale of 1 for the x-axis. 2) Use a graphing calculator to find the real roots of the following polynomial functions. 3) y=x4+x33x1 4) (x-3)(x2-x-2)=y 5) Graph y = (x 4)(x+ 4)(x2 +3x 5) . How
image text in transcribed

Mathew fr ehhhh the entire time period? 2 points ey have already charged $640. They have an APR of 22.99% with a minimum payment c below for the first few months of their new credit card: 8 points ance charge New balance Minimum payment $295,000. ey be borrowing for their mortgage? 2 points
image text in transcribed

There are many formulas for estimating the annual cost of driving. The Automobile Club estimated that fixed costs for a small car -- including insurance, registration, depreciation, and financing -- total about $5000 per year. The operating costs for gasoline, oil, maintenance, tires, and so forth were about 12.5 cents per mile. (Source:

6. Lou Ling, owner of Lou's Lube, estimates that he will need $70,000 for new equipment in 7 years. Lou decided to put aside money today so it will be available in 7 years. Reel Bank of fers Lou 6% interest compounded quarterly. How much must Lou invest to have $70,000 in 7 years? (p. 304)
image text in transcribed

The point ( 23, 13)is on the transformed function: y = 2log10[ 5( x + 3)] 9. Find the original point on the parent function f ( x )= log 10 x . Justify your answer. Please show each step and be specific. Thank you so much.

I WANT DETAIL SOLUTION THIS UESTION Q.1 Let X be a normed linear space over F. If X is finite-dimensional, then X* is also finite-dimensional and dimX = dimX*. Q.2 Find the example of above result
image text in transcribed

Discrete Math Problems: Question 1: n = 6258150940860 2 22 -33 . 51 -74 - 13". a) How many positive divisors does n have? b) How many of the positive divisors of n are perfect cubes? That is, the number can be written as (M3 for some I; E Z. c] How many oi the positive divisors of n, are relatively prime with 26? \f
image text in transcribedimage text in transcribed

Part 1 {Empirical Analysis}: Roll a die, or simulate using Excel, python, or some other option, e.g., Randomorg, 20 repetitions of obtaining a value for X, that is, roll until a 1 is rolled, record the result and repeat 20 times. For example, if the rolls are E [:1, then record 4 since 4 rolls were required. - Record your rolls and counts. -
image text in transcribed

Perform the first stage allocations l Assembling Processing Supporting Units Orders Customers Other Total Manufacturing overhead $ 250,000 $ 175,000 $ 25,000 $ 50,000 $ 500,000 Selling and administrative overhead $ 30,000 $ 135,000 $ 75,000 $ 60,000 $ 300,000 Total cost $ 280,000 $ 310,000 $ 100,000 $ 110,000 $ 800,000 Compute the activity rates '
image text in transcribed

In 2016, Donald Trump admitted he received a small loan of 1 million dollars from his father. If he paid back the loan over 32 years at a fixed rate of 3%, how much does he pay each month
image text in transcribed

Mrs. McTavish wants to establish an annual $5,000 scholarship in memory of her husband. The first scholarship is to be awarded two years from now. If the funds can earn 7.25% compounded annually, what amount must Mrs. McTavish pay now to sustain the scholarship in perpetuity? (Do not round intermediate calculations and round your final answer to 2

Please prove all parts of the problem i do not understand how to prove it Problem 5. Let V and W be vector spaces, and suppose that B = (31, ..., U,) is a basis of V. (a) Prove that for every function f : B - W, there exists a linear transformation T : V - W such that T(U ) = f(7;) for all U; E B. (b) Prove that for any two linear transformations
image text in transcribed

Please help Solve x2 - 2x = 81 using completing the square. Answer the questions below. a) To make the left side of the equation a perfect square, we need to add on both sides. b) Turn the left side of the equation into a perfect square. Once you have the perfect square on the left side, the equation will look like Preview (Enter your equation in
image text in transcribed

2) Complete the following table assuming the cost of labour is $2000/worker and fixed Costs are $2000. # Output TFC TVC TC MC AFC AVC ATC Workers ($) ($) ($) ($) $ ($) ($) 0 $2000 3 6 12 17 6 20 22 8 23 a) Draw a graph illustrating TFC, TVC, and TC b) Draw a second graph illustrating AFC, AVC, ATC and MC. At what point does diminishing marginal
image text in transcribed

1 1. Pest control services sells insect killing equipment for $40.The shop's cost is $20, and the operating expenses are 20% of the regular selling price. How much profit will the shop make on each sale? 12. At Home Depot, a light fixture is sold at a price of $280.20, including a markup of 40% of cost. a) What is the cost of the item? b) What is
image text in transcribed

Show that a matrix is: i) Hermitian if and only if it can be diagonalized using an orthonormal basis of eigenvectors and the eigenvalues are real; ii) skew Hermitian if and only if it can be diagonalized using an orthonormal basis of eigenvectors and the eigenvalues are imaginary; iii) positive definite if and only if it can be diagonalized using

Consider the equation y= 1 if x is rational = 0 if x is irrational 1) Is this a function? (2) What is its domain? (3) What is its range? (4) What is its y-intercept, if any? (5) What are its x-intercepts, if any? (6) Is it even, odd, or neither? (7) How would you describe its graph?

. You will be concentrating your work in the vicinity of t = 3 seconds. Drop the Ball - Height vs Time 50 10 30 height (feet) 20 10 0) OL -10 19 2.0 2.2 2.4 2.6 2.8 3.0 3.2 time (sec) . It may be more convienient to allow At take on negative values as you approach t = 3 from the left hand side. (That is, you might look at At = -1, -.5, -.1, -.01,
image text in transcribed

\f\f\f\f\f\f

14} A band estimated that when a random ticket holder is invited on stage, there is a 41 chance that the person will be under 18 years old, and a Echance that the person will be over St] years old. The band also estimates that half of its fans at any age are men and the other half are women. If they hand invites a random ticket holder onstage,
image text in transcribed

2. A bakery has two stores, one in Topeka and one in Lawrence. Using the past year data they t a model for the number of chocolate chip cookies they bake in a day given the store and number of workers and get the following results. ChocChipNum, = 100+200NumWorker,+5USt0reTopekai+lUNumWorker,xStoreTopekai- Where, NumWorker is the number of worker
image text in transcribed

6.A payment stream consists of three payments: $1000 today, $1500 in 70 days and $2000 in 210 days. What single payment, 60 days from now, is economically equivalent to the payment stream if money can be invested at a rate of 8.5%?

Discuss the validity of each statement. Explain why it is true or give a counter example. If a matrix game is fair then all payoffs are zero. Payoffs are each entry in a matrix.

A mortgage loan of $132,000 at 6% compounded semiannually is to be amortized over 25 years by equal monthly payments. How much interest will be included in the first payment? $792 $660 $487 $515 $652

A company's preferred shares pay a $3.25 dividend every three months in perpetuity. What is the fair market value of the shares just after payment of a dividend if the rate of return required by the market on shares of similar risk is 3% compounded quarterly? (Round your answer to the nearest cent.) Fair market value$per share

will be a random variable with values from O to 40 (not all of which are equally likely]. (Question: what is the probability distribution of the number of students who successfully complete the training?)
image text in transcribed

5) On Monday an electric bass craftsperson attaches frets to four necks and cuts three frames. Doing all ofthis takes a total off hours. 10 minutes. On Tuesday this same craftspenon spends a total of seven hours attaching frets to three necks and cutting seven frames. On Wednesday this craftsperson has to attach frets to one neck and cut four
image text in transcribed

Maria needs a ride from the Seattle airport to her hotel in downtown Seattle. She is looking at two different car companies. o Rapid Taxi uses the inequality \f
image text in transcribed

12 O O la . Calculate the real eigenvalues of the matrices A = O 2 and B = - 6 O - 18 - 36 - 7 O 4 For each eigenvalue , find a basis of the corresponding eigenspace . 1b . Diagonalize the matrices A and B, i.C. find an invertible matrix P and a diagonal matrix D such that A = PDP - 1 , and analogously for B . If this is impossible , explain why .
image text in transcribed

Showing 1300 - 1400 of 1495
  • 14 / 15