Mathematics Questions and Answers February 12, 2023

Alex earns $200 a week working part time.He receives scholarships totaling $2000 twice year and gets $1000 from his college fund yearly.Alex's monthly expenses are $50 for his cell phone, $75 on the loan for his laptop computer, and $30 for a bus pass.Twice a year, he pays $2000 for tuition, $350 for books, and $3000 for room and board at

Instructions: Answer the following Question, and select the correct response. The truth value at the statement " 2 is add if and only it 3 is even. is FALSE. Safest the correct response; True False \f\fIn the video ' The Parable of the Blind Men and the Elephant . it is said that "It is through TEAC HING what each of us knows that true

a vaccum cleaner dealership sold 450 units in 2019 and 427 units in 2020. determine the percent increase and decrease in the number of units sold

Find the sum of the first 10 terms of the following geometric sequences: 3,6,12,24,48....

Find the principal P that will generate the given future value A, where A = $10,000 at 7% compounded daily for 10 years.

1.Determine the zeros of f(x)=2x+5x-7 using three different strategies. 2.Determine the vertex of f(x)=6x+12x+1 using three different strategies. 3.Determine the solution tothe linear-quadratic system f(x)=x-4x+3andg(x)=2x+1.

6. Use a correlated subquery to return one row per customer, representing the customer's oldest order (the one with the earliest date). Each row should include these three columns: email address, order id, and order date

For each of the following sets of vectors S in the next two problems, ? Find a minimal spanning set T for the subspace W = Span(S) from the set of vectors in S (T ? S). ? For each vector v i ? S omitted from T, write it explicitly as a linear combination of the vectors in T. \f

A stack of 16 saw blades fits snugly in the carton shown. What is the thickness of 1 blade? O I- 12 in. V = 226 in.3 saw blade carton O A 1 12 In B. 00 | in. O C Lin 6 O D. 1 in

Using the quadratic formula, what's the value of b in this equation? 3k2= 4k +7 O 4 O 7 O 3

Indicate the preterite form of the underlined verb. El agente me da todo tipo de informacin. Multiple Choice diste dio di dimos

Match the graph to its function please. Question 11 (1 point) -8 7 6 5 -4 8 2 -1 12 3 4 5 X Match the graph to its function: O a) y = - 2(x+ 4)? + 3 O b) y=- 2(x+ 4)? - 3 O c) y=-2(x -4)2+3 O d) y=-2(x-4)? -3

I need help with question 2 on this sheet. 1. Consider the function sinc f(I) = 1 1=0 Use the Maclaurin Series of sina to find a power series representation of f(r) centered at ro = 0. Conclude that f(r) is an analytic function. The function sing is often redefined to be the function f(x) so that is can be treated as an analytic function. This is

Cassianmonica 4. State the non-permissible values for the following rational expressions: (2 marks each ) 3 x 2 b. 6 x -4 * +5 3 x - 6 4x 5 2x-1 + 3x2 5. Simplify. (Include the non-permissible values.) a. x-1 4-4x (2 marks each ) b. x- - 9 6x-18

1. Considerez la fonction continue f : [0, 1] - R. (a) Montrez que s'il existe un a E [0, 1] tel que f(a) * 0, alors sup {s(f2 , p) | pe Po,1 } > 0. (b) Supposez que pour toute fonction continue g : [0, 1) - R, on a fgdx = 0. Demontrez que f = 0 sur [0, 1]. (c) Supposez que - 0 . Den f dax = 0. Demontrer que Ha E 0, 1 tel que f(a) = 0. (d) Dans

2) A perfectly competitive firm sells its product at a price of $50.Its total cost function is given as TC =150 + IOQ 1.5Q2 + g 03 Using calculus, find the profit maximizing level of output and maximum profit. Make sure your calculus results match marginal rule of profit maximization

x - y = 5 -x + 4y + 2z = 3 -x + 3y - 5z = -6 Use Elimination to find the solution.

Use a software program or graphing utility to solve the system of linear equations. (If there is no solution, enter NO SOLUTION. If the system has an innite number of solutions, set x3 : t and solve for x1 and X2 in terms of t.) 1 3 2 B3 xx +x= 21 72 93 105 2 4 2 3 ix+ix 77x=7 31 92 53 5 4 1 4 479 x +x= 51 82 33 200 (X1: X2: X3} =( ) X Need Help?

()) What quantity of red pepper would you need to make a third of the original recipe? 4 Spicy hot-wing sauce Time elapsed INGREDIENTS: 00 24 20 1 cup hot sauce HR MIN SEC 12 tablespoons vinegar SmartScore out of 100 7 5- tablespoons butter 36 7- teaspoons garlic powder 1 teaspoon black pepper 1 teaspoon salt teaspoon red pepper ()) Write your

Question 5 The number of pages printed before replacing the cartridge in a laser printer is normally distributed with a mean of 11,500 pages and a standard deviation of 800 pages. A new cartridge has just been installed. a. What is the probability that the printer produces more than 12,000 pages before this cartridge must be replaced? [5m] b. What

A small radio transmitter broadcasts in a 44 mile radius. If you drive along a straight line from a city 60 miles north of the transmitter to a second city 57 miles east of the transmitter, during how much of the drive will you pick up a signal from the transmitter?

Which is more likely to occur? Seeing 7 heads in 10 tosses of a fair coin or seeing 70 heads in 100 tosses of a fair coin? justify the solution by putting it into aprobability principle

For both nPr and nCr, n is bigger or equal to r . Explain why this is true.

Properties of GF(p) (a) Show that, if p(x) and q(x) are polynomials over the reals (or complex, or rationals) and p(x) q(x) = 0for all x, then either p(x) = 0 for all x or q(x) = 0 for all x or both. (b) Show that the claim in part (a) is false for finite fields GF(p).

GR has coordinates G (2,-2) and R (3,8) and H is the result of the dilation of centered at origin, and it is the result of HM centered at he oriigin. The coordinates of HM (-1,1) and M (-1.5,-4). Complete the following algebraic description that it represents the transformation of HM (x,y)(____x, ____y)

According to a recent Wall Street Journal article, 75% of smartphones in the world use the Android operating system. Suppose that ITS wants to know whether the percentage is the same for SLU students. In a survey of 248 students, 211 say that their phone uses the Android system. ITS is especially concerned about committing a Type II error. Based

Prove that for every sets X and Y in Rn, if X Y then cl(X) cl(Y ).

Remplissez les espaces vides avec un des mots de la liste suivante : dpouillement, profilage, s'accommoder, durabilit, vacant, prodiguer, faiblesse, chaleureux, rendre l'me, envouter. Attention, faites l'accord ente adjectif et le nom qu'il dtermine et conjuguez les verbes, si ncessaire. Question 10 (1 point) Options de la question 10 : Elle

2. ( 3D+2EII pts) Consider the differential equation: gig} I llytl Qym = 2:52 I :1: ex 3:2 e52 | 2.7; sin[6:r) (a) Find the complementary solution ya. (1)) Find the form of a particular solution yp of the ODE below if the method of undetermined coefcients is used; do not compute the coe'ictents)

Select the conic section represented by the equation 7x^2 + 7y^2 + 3x -5y -1=0 A.) circle B.) ellipse C.) hyperbola D.) line E.) parabola F.) point Thank you.

You are conducting a study to see if the proportion of men over 50 who regularly have their prostate examined is significantly more than 85%. With H, : p > 85% you obtain a test statistic of z - 2.435. Find the p-value accurate to 4 decimal places. p-value = Submit QuestionTest the claim that the proportion of men who own cats is larger than 60%

Let T : R4 > R4 be a linear transformation with A as the standard matrix, and B = {u1,u2,u3,u4} be a basis for R4 such that T(u1) = 1&2, T('u2) = 11-1, T(u3) = 1&3, T(u4) = m + 1&2. Let S : R4 > R4 be a linear transformation dened as follow: For every 1) E R4, write '0 = (v1, v2, v3,v4). Then 8(1)) = mm + '0qu + 12311.3 + v4u4. Compute T 0 3(1))

Formulate Exponential Equations 1) The deer population in a national park is expected to decline overtime. The park ranger started a research study, and at the end of the first year there were 800 deer in the park. The park ranger anticipated the population would reduce by 50% each yeah A) Write the recursive form of the geometric sequence for

prove that for all integers n, if n mod 5 = 3 then n^2 mod 5 = 4

Find the general solution of the differential equation x^(2)y'' + xy' + (2x^(2) - 4)y=0. Please See attach image for full question. I am stuck on how to start this problem, please explain clearly. Find the general solution of the differential equation my' + zy + (212 - 4)y = 0. Answer: y = c Cn. In n=m where Cn if n > m and n = 2k is even, Cn = if

rfmishing both roveb, make notes and mummum 3 relevant and comparative ations between A Long Way Gone and The Kite Runner focused on a minimum of themes. Each quotationshould be followed byananalysis commecting directly to heme ( themes are listed at the end). e a complete introductory and first bodyparagraph (with three quotations ) with er

Change their equation into an inequality. Choose the inequality ( , , ) that makes sense for your classmate's problem. Explain what the inequality is modeling. Solve the inequality. Explain how the solution to the inequality is different than the solution to the equation in the context of their scenario. Starr goes to the salon twice a month to

What's the answer? Find the area of the region which lies between y = In and x = 1, from y = 0 to y = In 5. A 15 - In 5 B. 16 O c. 20 - In 5 O D. 15 O E. 16 - In 5

Could you assist me with this question pls? Question 2 Let u be a. vector in C\" which is orthogonal to every vector in Cm. Prove that u is the zero vector

use method of variation of parameters to solve the differential equation Use the method of variation of parameters to construct a particular solution. Then form the general solution of the following initial value problem sin(t)y' + cos(t)y = tsin(t), y(31r/2) = 0

The value V(in dollars) of an airplane depends on the flight hours xas given by the formula V = 1,800,000 - 250x.After one year, the value of the plane is between $1,200,000 and $1,300,000. Which range for the flight hours does this correspond to

Use the graph of the quadratic function f to f(x ) write its formula as f(x) = a(x - h) ~ + k. 2 6 -4 -2 2 6 -2

Suppose R and S are relations from A to B. Must the following statements be true? Justify your answers with proofs or counterexamples. R = Dom(R) Ran(R) (R S) -1 = R -1 S -1

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2. Match the rational expression in the left column with the non-permissible value(s) in the mig, column. Record your answer in the right column. (4 marks - 0.5 marks each) Rational Expression Non-Permissible Value(s) Matching a. a. 4 x2 1 x#2,-2 8x b. x - 2 ii. x *-1,0 b. x +1 C. x +1 iii. x *-1 C. I - x d. 3x +2 unto be riv.x * 0,2 2x -4 e. 2x -

Please solve!!! Thank you SO much for your help.......I just plugged it into my calculator but wasn't sure that was the correct way to go about it. Algebra 2 Part 2 Final Ex Directions: Answer the questions below. Make sure to sho answers. 19. Solve sin @+ 1 = cos 26on the interval 0

Use the internet to research financial systems and procedures for similar businesses and modify Financial Procedures to include these. This will be the first draft of the document. You will discuss this with your client at a meeting in activity 4, and then make a final draft. Your document should address the following: Petty cash: Rosa thinks that

Please solve this problem 2. Consider the lines 1: [x,y,z] = [21,-4,14] + q[2,-1,1] 12: [x,y,z] = [28,-11,19] + r[-1,4,-2] 13: [x,y,z] = [49,-11,25] + s[2,-1,1 ] 14: [x,y,z] = [18,8,8] + ([-1,4,-2] Determine the type of quadrilateral formed by these lines

Case 2 b. WBC would like to expand the capacity of the network so it can handle the peak requirement of Broadcasting the Olympic Games 35 GB/s from the Olympic site (A) to the home studios (G). WBC can increase the capacity of The Management of the WBC television network has been celebrating for days. What a coup! each link of the computer network

Question 21 Starting in the year 2012, the number of speeding tickets issued each year in Middletown is predicted to grow according to an exponential growth model. During the year 2012, Middletown issued 230 speeding tickets (Po = 230). Every year thereafter, the number of speeding tickets issued is predicted to grow by 15%. If Pn denotes the

I'm just a bit confused as to how to solve this. Problem 4. Find the derived series for G and the solvable length of G if (1) G = D4, (2) a = A4, (3) G = 34

After 6 years, what is the total amount of a compound interest investment of $35,000 at 4% interest, compounded quarterly?

A few Calculus questions 8. The differential equation gJL; (2 points) I. will have a slope field with positive slopes in quadrant I II. will have a slope field with negative slopes in quadrant II III. will produce a slope field with columns of parallel tangents 0 None of these 10. Match the slope field with the differential equation. (4 points) a.

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The functions f and g are defined as follows. f (x) =3x -3x g (x) =4x -3 Find f (-4) and g (- 2). Simplify your answers as much as possible. f (-4) = 0 9 (-2) = [

Apply Your Knowledge Project 13 - Adequate Acquisitions Input boxes in tan Output boxes in yellow Given data in blue Answers in red Adequate Acquisitions Worst Case Revenue Expenses Revenue Growth Expense Growth Years Expected Revenue Expected Expenses Total Profit Expected Case $ $ 100,000,000 150,000,000 0.2 0.1 Revenue Expenses Revenue Growth

hey! could you tell me the answers to these questions? thank you! 117% 0 |4 1 ; abl Out 1. Which of the following could be the equation of the quadratic shown below? Explain your reasoning. (1) y=-3x3 +8x -5 Reasoning: (2) y=4x -6.x +7 (3) y=-2x3+12x+11 (4) y=x -8x -2 A 2. Based on the quadratic function shown in the table below, which of the

11. Calculate the standard deviation of playing this game one time. Interpret in context

2 need help understanding Let -30015 O 10 - 1 10 be the REF of augmented 0 0 0 1 1 - 7 matrix of a linear system AR = 6 0 0 0 0 0 0 Identify Pivots, basic variables, and free variables (if any) and write the solution of the lincar system in vector parametric form 6 ) What is the solution to the homogenous system AX = D

You can model that you expect a 1.25% raise each year that you work for a certain company. If you currently make $40,000, how many years should go by until you are making $120,000? (Round to the closest year.) I have this worked all the way down to this and not I am stuck A=P(1+r)n 120,000=40,000(1+0.0125)^N (1.0125^N) 120,000/40,000 n=log

6. You own a wheat warehouse with a capacity of 20,000 bushels. At the beginning of month 1 you have 6000 bushels of wheat. Each month, wheat can be bought and sold at the price per bushel shown in the table below: nm- Sellin ; Price $ Purchase Price $ At the beginning of each month you observe the amount of wheat you have on hand. You first sell

Julia has negotiated with a local pizza delivery company to deliver 14-inch cheese pizzas twice each game2 hours before the game and right after the opening kickoff. Each pizza will cost her $6 and will include 8 slices. She estimates it will cost her $0.45 for each hot dog and $0.90 for each barbecue sandwich if she makes the barbecue herself the

Select the conic section represented by the equation. 4y-3=0 A.) circle B.) ellipse C.) hyperbola D.) line E.) parabola F.) point Thank you.

My music player has a capacity of 450 gigabytes. Write using scientific notation

A B C D m Hotel Shuttle Purchase Options 2 Percent Down Payment 3 0% 5% 10% 4 Price of Car 47500 47500 47500 5 Down Payment Amount 6 Loan Amount 7 Interest Rate (per year) 5.9% 5.9% 5.9% 8 Terms of Loan (years) 4 5 6 9 Monthly Payment 10 Total Paid 11 12 13 14 15

How to solve this question? 2.6.14 Question Help Use the method for solving homogeneous equations to solve the following differential equation. dy 50 sec + 6y de 60 Ignoring lost solutions, if any, the general solution is y = 0 sin - 1 5 In 0 + c (Type an expression using 0 as the variable.) * That's incorrect. X To solve a homogeneous equation ~

A manufacturer of calculators has a fixed costof $24,000 per month. Suppose that themarginal cost of producing a calculator is $40, and the calculators sell for $130 each. How many calculators must the company produce and sell per month to break-even?

Why are we using the a(n) thing to solve this? I do not quite get what it means by finding the derivate of a(n)1. Please do provide explanations as to why you are doing something particular. Little comments will be enough. Thank you so much! 7. Use the method of Frobenius to find y,(x) and y,(x) for x'y" +x(x' -3)y'+4y=0 Use a = - [( r + k) Pu - k

Use your graphing calculator to find the linear regression equation forp as a function ofx x 1 2 3 4 5 6 p 646 633 766 677 642 647

Step 5: IP Header Checksum We will now look at the IP header checksum calculation by validating a packet. The checksum algorithm adds the header bytes 16 bits at a time. It is computed so that re-computing the sum across the entire IP header (including the checksum value) will produce the result of zero. A complicating factor for us is that this

1. Is the equation Bx = p consistent for all p in R^4? Explain.2. Are the columns of B linearly independent? Explain Consider the matrix B and the reduced row echelon form of B. - 4 2 0 0 0 1 -4 0 1 0 B = 0 2 7 0 0 2 9 -7 C

C . ixl.com matty/grade-6/ by-whole-numbers-in-recipes "What quantity of baking soda would you need to make a half recipe 1 Lemon cookies Time INGREDIENTS: elapsed 1 cup sugar 07 00 HR MIN SEC 1 cup flour SmartScore out of 100 7 cup butter 10 2 teaspoons lemon juice 2 teaspoons lemon peel 1 teaspoon salt teaspoon baking soda 1 egg ")) Write your

Suppose you deposit some amount of money for some time at each of these two banks: Bank A, which offers an annual rate of 4.77% with continuous compounding. Bank B, which uses annual compounding. What annual rate would Bank B need to use in order to give the same future value as Bank A?

4. Suppose m is a positive integer. Show that for each polynomial q in Pm(R), there exists a polynomial p such that q = ((x3 + 2x] + 1)p)"

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A = {1, 2, 3}, B = {4, 5}, C = {a, b, c, d}, R = {(1, b), (2, a), (2, b), (2, c), (3, d)} and S = {(4, a), (4, d), (5, b), (5, c)}. Note that R is a relation from A to C and S is a relation from B to C. Find S -1 R. This is a relation from which set to which other set? Justify your solution. Find R -1 S. This is a relation from which set to which

QUESTION 1 Normalized Vector Choose one 4 points What are the magnitude and normalized vector , ^v=vv , of v=(1,2,2) ? v=3 ,^v=(13,23,23) v=5 ,^v=(15,25,25) v=9 ,^v=(19,29,29) QUESTION 2 Parallel Vectors Choose one 4 points Which of the two vectorsp andq are parallel ? p=(2,7,1) and q=(0,14,2) p=(6,9,15) and q=(2,3,5) p=(1,6,4) and q=(0,3,2)

When multiplying two rational expression what directions can you not cancel like terms?

Points : 5. Chaque blanc vaut 1 point. Compltez les espaces vides avec un des pronoms relatifs suivant : qui, que, dont, o. Question 29 (1 point) Options de la question 29 : Nous avons rcemment visit le pays nos grands-parents sont ns.Points : 5. Chaque blanc vaut 1 point. Compltez les espaces vides avec un des pronoms relatifs suivant : qui, que,

The simplest interest on an investment is directly proportional to the amount of the investment. By investing $6000 in a certain certificate of a deposit, you obtained an interest payment of $276.00 after 1 year. Determine a mathematical model that gives the interest, I, for this CD after 1 year in terms of the amount invested, P.

Find the explicit formula for the general n^th term of the geometric sequence described below. a 1 = -3 and a 2 = -6 and r > 0 ****underlined numbers are subscripts

I need help with math...I don't know how to work a math problem, 2 problems. Kindes regards, u 2 + u - 72 3u - 15 2w - 1 w 2 - 9

With which tool is it possible to decompose periodic functions to the simplest infinitesimal sum of sinusoidal functions, combinations of sines and cosines with integer functions, in order to analyze them? Select the correct answer Weber's law Fechner's law Fourier analysis O Stevens' Law

Please help with these word probelms Determine the seating capacity of an auditorium with 32 rows of seats if there are 14 seats in the first row, 19 seats in the second row, 24 seats in the third row, and so on. seatsConsider a job offer with the given starting salary and the given annual raise. Starting Salary Annualr Raise $32,500 $1800 (a)

6. What are the vertex figures of the Archimedean tilings with 5 polygons meeting at a vertex ? 7. What are the vertex figures of the Archimedean solids with 5 polygons meeting at a vertex ? 8. What is the vertex figure of a regular hexagonal prism ? 9. What is the vertex figure of a square anti-prism ?

D 5.3-1.* Consider the following problem. Maximize Z = X1 - x2 + 2x3, subject to 2x1 - 2x2 + 3x3 - 5 X1+ X2 - X3-3 X1 - X2 + X3-2 and x1 20, X2 2 0, X3 2 0. Let x4, x5, and x6 denote the slack variables for the respective con- straints. After you apply the simplex method, a portion of the fi- nal simplex tableau is as follows: Coefficient of:

1. Which of the following is a null hypothesis for the averages of three groups in a one-way, between-subject ANOVA? 1. Ho: Average1 * Averagez = Averages 2. Ho: Average1 * Averagez * Averages 3. Ho: Average, = Average> = Average

1.} Find a differential equation whose general solution is y = them + C264\". v 2.} Solve the initial value problem y\" _ 3y} _ 409 = 0} y(0) : CE, yr(0) = _5' Find a so that the solution approaches zero as t > oo. I Determine the values of o, if any, for which all solutions of the differential equation y" - (20 - 12)y' + (a2 - 12a + 27)y = 0 tend

Find the solution to tan 2 (x)+1 Show the problem and answer.

Use DEF shown below to answer the question that follows: Which of the following must be given to prove that DEF is similar to GDF? (5 points) Segment DG is an altitude of DEF. Segment EF is a hypotenuse. Segment ED is shorter than segment DF. Angle E is congruent to itself. \f

DERISIVE. d the development of mechanical on steam power, which enabled honey by mechanising production Br n was the birthplace of the

The time-shifting property says that a shift in time corresponds to a phase shift in frequency. As an example of why the time-shifting property makes sense. let the time signal to be the complex sinusoid x(t) = e '2'". By referring to the following gure. the time signal now is x(t-t0) = e 9"\"). Shifting this signal in time corresponds to

OI CHIC DIOlogIC l, Assignments, and Test Page (Winter 2023) ly courses / SC/MATH1507 M, N, O, P, Q, R, S - Mathematics ll for the Biological and Health Sciences Tutorial, Assignments, and Tes When creating a left-endpoint Riemann sum on the interval [-87.5, 226.8] using 33 rectangles, the 3th endpoint used to calculate the height of the

I already did the top part. I now need help with the questions on "packing a box" A) answer the questions on packing a boxB) what is some of the prerequisite knowledge students may use to make sense of this activity?C)The activity asked students to make a net on graph paper for a box that is 8 x 8 cubes on the bottom and four cubes high. Why do

Bata Aerobics manufactures two models of steppers used for aerobic exercises, X number of luxury models and y number of standard models. Manufacturing each luxury model requires 10 lb of plastic and 10 min of labor. Manufacturing eac standard model requires 16 lb of plastic and 8 min of labor. The profit for each luxury model is $30, and the

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3 6 12 21 15 51 At the Galapagos Islands, Dr. Owen finds 102 giant tortoise eggs that he brings back to his research center to be hatched in safety. At the research center, six of the eggs hatch, and the hatchlings are placed in a nursery. Dr. Owen places equal but unknown numbers of the remaining eggs in eight different labs. Which of the

Can you help me to solution this problem? Thank you! 10. {15} Solve the Initial Value Problem: X1' = -4 X1 - X2 X2' = 2 x1 x2 X1(U) = 1; X2(0} = -1 11. (10 pts) Solve the system of differential equations: X1' = 3 X1 - 5 X2 X2'=5>

Let A be an m x n matrix. Which of the below is/are true? Module 20: question 1 . Let A be an m x n matrix. Which of the below is/ are true? A. A linear independent set of vectors in R", which is not a basis for R", can be expanded into a basis for R" by adding, for instance, some vectors from the standard basis for R". B. The Row A is the set of

Let G be a group for matrices of the form ( 1 0 x 1 ) , for x R , where the group operation is matrix multiplication. Prove that G is isomorphic to the group H = ( R , + ) of real numbers under addition.