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mathematics
february 2018
4

Mathematics Questions and Answers February 4, 2018

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Suppose you have four identical pieces of wood like those shown below. Ifm? b = 40 , can you construct a frame with opposite sides parallel? Explain. \f

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A specific park is rectangular-shaped and has a 6-mile perimeter. The length is 4 times the width. What are the dimensions of the park? width mi length mi

step 2: Assume you measured

Question 5 (4 points) Consider the following algorithm: 1+4 while (x mod /) # 0 do x + 2x Now suppose x is an element from the set (EN | 2sns50). What is the worst-case number of # comparisons that this algorithm will perform? O1 O2 O3 04 O7 O 49 Question 6 (4 points) Consider the following algorithm: 1+2 while (x mod () # 0 do 1+ i+1 Now suppose

Is square a rhombus? Defend your answer using theorems and definitions.

3. (a) Suppose V = U OW, where U and W are nonzero subspaces of V. Define P : V -> V by P(ut w) = u, for every vectorl u + w E V. Find all eigenvalues and eigenvectors of P. (Note that P is what is known as a projection operator!) (b) Show that, for P as defined in (b), V = null(P) @ range(P). (c) True or false: for any linear operator T : V -> V,

Can I get some help with this question? Consider the function y = \\ 2x -4. What are the domain and range of this function? O domain: x 2 O domain: x 2 0, range: y > 2

Find the tangents of the acute angles in the right triangle. Write each answer as a fraction. R 53 28 T 45 S tan R = tan S =

An airplane takes 4 hours to travel a distance of 3200 miles with the wind, The return trip takes 5 hours against the wind. Find the speed of ' the plane in still air and the speed of the wind. c3 _,__ The speed of the plane in still air is D E and the speed of the wind is E] [El (Type a whole number.)

y = h(x) 4 7 5- 2 -8-7-6-5-4-3-2-1 1 2 4 - 2+ -3+ a) Evaluate h(-4) b) Solve h(x)=4

Rational Numbers '1. List whole numbers 2. List integers 3. List rational numbers 4. List irrational numbers |

The graph shows Marc's distance from a motion detector with respe to time. What was the average rate of change of distance with respec to time over Marc's entire walk? Distance from Motion Detector vs. Time Distance (feet) B C D A 1 2 3 4 5 6 7 8 9 Time (seconds) 2 feet per second O 1 foot per second O 1 feet per second o 1 foot per second 4

Harvey is paid a graduated commission of 1% on his first $50,000 in sales, 3% on the next $75,000 in sales, 4% on the next $75,000 in sales, and 5% on all sales above that amount. If his total gross earnings were $9,516.25, determine his sales during the pay period.

Part2. Investigating the total potential two batteries 1. a) b) C) Suppose there are two batteries, each of 9V, connected in parallel and series to each other (no circuit). If connected in parallel, what is the output potential? If connected in series, what is the output potential? Why measuring an electric current is not possible in these

Best friends Olivia and Sylvia both get a weekly allowance. Olivia's and Sylvia's allowances are in the ratio 2:3 . If Sylvia gets $21 one week, how much did Olivia get? Use a tape diagram to help organize your thinking

For nonzero variables a and b, which of the following is not true about the expansion of (a+b) Superscript n, where n is an integer such that n0? Question content area bottom Part 1 A. The expansion of (a+b) Superscript n always has n terms. B. The first term of the expansion of (a+b) Superscript n is always of the form a Superscript nb

Can you please explain how to answer this question? Q2: Using capital letters of the alphabet, do each of the following, or else explain why this is not possible. Each word in parts a) to d) should be at least 4 letters long and the word-lengths among these four words need to be all different. a) Find a word that has a horizontal line of symmetry

Name_________________________ Learning Journal: Class # 01 Professional Competencies in the Digital Age WHAT: What did I contribute to this class? What did I learn from the readings and coursework? What did I learn about myself? What would I like to learn? SO WHAT: Why is this concept or skill important for me? How does it make me feel? How will

12-14 Question 12. Version 1/1. Score: 0/5 Solve the following equation: 10 - 60(1.13) = - 5030 Write your answers exactly (i.e. no decimals and simplified if possible), separated by a comma. t = Hint Write your answers as decimals rounded to four decimal places. Score: N/A/2.5 N/A/2.5 Had help available: Video (7 Question 13. Version 1/1.

1. (6 points) Find the first three Picard iterations for the following initial value problem dy -t+y, y(0) -1, when the initial function of the process is do() - 1

m+2y+4z:3 2m+4y+10z:8 333+4y+92:8 a) Using an augmented matrix find the intersection of the three planes b) Check your answer. (Justify that your solution is in the intersection of all three planes

The one-to-one function f is defined below. f ( x ) = 5x - 1 2x+ 3 Find f (x), where f is the inverse of f. Also state the domain and range of f * in interval notation. 1' ( x ) = (0,0) [0,0] OVO (0,0] [0,0) Domain of f : I OO -00 Range of f X 5

(1) Let A = (1,2,3,4,5,6). In each of the following, give an example of a function f: A - A with the indicated properties, or explain why no such function exists. (a) fis bijective, but is not the identity function f(x) = x. (b) fis neither one-to-one nor onto. (c) fis one-to-one, but not onto. (d) fis onto, but not one-to-one

Question 10 2 pts Write at least 2-3 sentences for each section of the answer This question can also be answered from the Powerpoint presentation From La Belle Epoque (1880s] to Decolonization (1960s). Belle Epoque and World War I The Belle Epoque was a time of elegance, innovation, and above all peace and prosperity for France and its European

i Home | iC X () ALEKS X A ALEKS - N X _ Communic X ]Strayer | L X Online Bo X Q course he X Course He X * 44592933 X + X https://www-awu.aleks.com/alekscgi/x/Isl.exe/10_u-lgNslkr7j8P3jH-lv-6txjbonmDn7WsVrRAXK6XnHkiRvH2t180AmOX86RR... [ Import favorites | Amazon.com - Onli... Booking.com [ Express VPN Mcafee Security LastPass password... T Strayer

3. In R , let W be the subset of all vectors v= that satisfy a, - d, = a, -a. a) Show that W is a subspace of R4. 0 0 b) Show that S = spans W. 0 c) Find a subset of S that is a basis for W. d) Express V= INA as a linear combination of the basis obtained in part (c)

Find the length of the unknown side in this triangle: a =36 b = 48 Select one: O a. c = 60 O b. c = 42 O C. C = 32 O d. c = 59 Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 12 mi, the distance between the cars was 4 mi more than the distance traveled by the car heading east, How far

3) In this question you must show detailed reasoning Find the cartesian equation given by the parametric equation x = 2 + 3sin 0 y = 3cos 9 and sketch the curve. 4) In this question you must show detailed reasoning [4] Vector a = 2i + 9j + nk and b = 4i + 3j - k Find the value n if the magnitude of a is ~ 134 and n > 0 Find the value of A if the

Please provide Handwritten answer In a triangle whose angles at the base are 60 and 45 degrees, draw a rectangle so that its two vertices are at the base of the triangle, and the other two vertices are on the sides of the triangle. Find the ratio of the sides of the rectangle with the largest area

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Q6 (15 points) Suppose that G is a group and H and K are subgroups of G, with |H| = 39 and |K| = 65. Argue that the intersection of H and K must be a cyclic subgroup

A biologist is studying rainbow trout that live in a certain river and she estimates their mean length to be 542 millimeters. Assume that the lengths of these rainbow trout are normally distributed, with a standard deviation of 50 millimeters. Use this table or the ALEKS calculator to find the percentage of rainbow trout in the river that are

How would the story be different if Jones had the sound of the mother's footsteps "fade into the distance"? Why does the narrator hear them "above it all"

I need help as another tutor helped me but I still have to answer the domain and such in which they didn't do. They only gave me the answer to a The graph shown is that of a function. Determine (a) f(3); (b) the domain; (c) all x-values such that f(x) = 2; and (d) the range. (a) f(3) = 3 + (b) The domain is (Type your answer in interval notation.)

Given triangle ABC. B 80 E /52 D A. 48 Which of the statements below is correct? O A. Triangles ABC and DBE are similar. O B. Lines AC and ED are parallel. c. Triangles ABC is an isosceles triangle. O D. Triangles EBD is an isosceles triangle

HELPP 2) You can buy 3 apples at the Quick Market for $1.26. You can buy 5 of the same apples at Stop and Save for $1.05. Which place is the better buy? 3) The bakers at Healthy Bakery can make 210 bagels in 10 hours. How many bagels can they bake in 13 hours? What was that rate per hour? 4) A jet travels 440 miles in 5 hours. At this rate, how

An artist is drawing three large circles on the ground with diameters of 6m, 10m, and 13m. Identify the area of each circle rounded to the nearest tenth of a meter. O A1 = 9.4 m2; A2 = 15.7 m2; A3 = 20.4 m2 O A, = 28.3 m2; A2 = 78.5 m2; A3 = 132.7 m2 O A1 = 18.8 m2; A2 = 31.4 m2; A3 = 40.8 m2 A, = 113.1 m2; A2 = 314.2 m2; A3 - 530.9 m2

3. [8 marks] 3 6 1 1 7 Let A: 1 2 2 3 1 . 2 4 5 8 4 (3.) Find a basis for null(A). (h) Find a basis for col(A). (0) Verify that the Rank-Nullity theorem holds for A

ofiles Tab Window Help lied Libe X Questionmark Perception X 2022-06-11 21:40 X + ionmark.com/delivery/sessionProcess.php?customerid=400178 G * & . .. hot 33P Asante Assessment progress: Block 5 of 8 A O MAT-105 Math for Liberal Arts Module 09 Quiz E 3 of 4 A local credit union is offering a special CD for kids that pays 3.6% interest compounded

Quiz on SAS Similarity Theorem A. Use the SAS Similarity Theorem in writing an if-then statement to describe an illustration or in completing a figure based on an if-then statement. If: Then: R A S U AR AY If: ZA = LU; US UN N Then: ARAY ~ ASUN 375 larity Je 370 - 371 SSS Similari Similarity The et for searching t of self -- direcQuiz on the

31 . Starting with the graph of f (x): 3" write the equation of the graph that results from a. reflecting f(x) about the xaxis and the y-axis b. reflecting f (x) about the xaxis, shifting left 6 units, and down 11 units TEXAS HW 2.1.1:Transformations | 2 7/] b On Ramps EXPERIENCE COLLEGE BEFORE COLLEGE 32. Starting with the graph of f (x): 5*

Summary needed for the text in the images 2 important quotes and why they were chosen 2 discussion questions Buddhist Smpm: za. THE BODHISATTVA AND THE HUNGRY TIGRESS The Buddha told the following story to Amnda: 'Once upon a time, in the remote past, there lived a king, Maharatha by name. He was rich in gold, grain, and chariots, and his power,

Graph shifts Starting with the graph of f (x) = 4", write the equation of the graph that results from a. shifting f (ac ) 1 units upward. b. reflecting f(x ) about the y-axis. y c. shifting f (a ) 6 units left. y I

MA 266 multiple choice question need to be answered as soon as possible please and thank you. Which of the following is a solution to the differential equation? y (4 ) = y Select one: O y = cos(ex) O None of these Oy=a - et Oy=e-25 O y = -10sin(x) - 100cos(x) + 1000e

1. Complete the following statements. (15 points) A. Points that do not lie on the same line are called points. B. A quadrilateral that has only two sides parallel is called a(n) C. A heptagon is a polygon that has sides; whereas a(n) has 10 sides. D. Two lines that do not intersect but do not lie in the same plane are called lines. E. A(n)

a. 1 0 3 Let A = N 2 Find an orthonormal basis of the column space of A. Orthonormal basis for C(A): { Enter your answers as a coordinate vector, such as , or a comma separated list of coordinate vectors, such as , .Let V be the plane in R3 given by the equation: 2:c y z = 0 4 Find the closest point on V to the vector; 2 8 . 2 closest point: C] A

A club with 50 college students is doing volunteer work this semester. Each student is volunteering at one of four locations. Here is a summary. Location Number of students Nursing home 14 Tutoring center 15 Hospital 8 Pet shelter 13 Three students from the club are selected at random, one at a time without replacement. What is the probability

Please see the attachment below. 1. One important component of problem solving is to extract general insights from specic mistakes. Find one problem that you solved incorrectly on a previous assignment. In one paragraph, describe the specic mistake you made. In a second paragraph, describe a general modication you can make to your problem solving

PROOF Complete the two-column proof. The statements are provided on the left. Drag the reasons to the corresponding statements. C Given: Quadrilateral ABCD is circumscribed about OP. Prove: AB + CD = AD +BC Proof. @ Instructions 1. Quadrilateral ABCD is circumscribed about OP 2. Sides AR. BC, CD, and DA are tangent to OP at points H, G, F, and E

The shaded region inthis figuremust be painted. What is the surface area of the shaded region? \f

You determine that you can afford $430 per month for a car. What is the maximum amount you can afford to pay for a car if the interest rate is 2.8% and you want to repay the loan in 3 years? Question Help: Written Example Submit

[4] (15 points) Find two linearly independent power series solutions about the ordinary point x =0 for y" - 4y' = 0. 2x

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Find eigenvalues and eigenfunctions of the boundary value problem x?y" = ly, y(1) = 0, y(2) = 0

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For the following two time series: X = [32, 36, 27, 37, 35, 40, 34, 33, 25, 29] Y = [31, 32, 32, 30, 37, 39, 29, 34, 25, 26] Calculate the DTW distance between X and Y and point out the optimal warping path. (The local cost function is defined as the absolute difference of the two values, e.g., c(x1, y1) = d(32, 31) = 1)

Consider the following dividend and price data for Chrysler. A B C D E CHRYSLER CORPORATION (C) Year-end Year stock Dividend Growth price per share rate IN 1986 0.40 4 1987 0.50 25.00%

In each question below, you are given a scenario where you select some amount of objects from a group. Determine whether in the outcome of the selection of the objects Order Matters or Order Doesn't Matter . Sort the questions into the appropriate category

5. Suppose Xx ~ NB(k,p), negative binomial random variables with fx(x) = ( ))p*(1 -p)-k Define Yk =

-4 -2 0 2 4 6 15. Identify the line with a mistake (if any): |X - 3 = X - 3 = (1) +3 +3 (2 ) X = 8 (3)

In what sense is formative assessment compared to "tasting the soup" while summative assessment is "serving the soup"?

2. A tank contains 378.5 liters of capacity; The brine tank that contains 240 grams per liter enters the tank at a rate of 11.35 liters per minute, mixing with the cle pure water that fills the tank, at the same time an equal amount of the mixture the tank per minute. Find the amount of salt in the tank after 1 hour

please answer fast...i will give helpful rating.. Peyton (Body Mass = 74.2 kg) likes to ride the TRAX train standing up and without holding on to the pole. The train goes around one particular curve with a radius of 18.9 m at a velocity of 10.4 m/s. Peyton's center of mass is 0.81 m above the oor. How wide should their base of support be to insure

Assume that you have a function f, and you know that its derivative is ( ) = 1 1 + 2 f (x)= 1+x 2 1 . What can you say? Choose all that apply. The following checkbox options contain math elements, so you may need to read them in your screen reader's "reading" or "browse" mode instead of "forms" or "focus" mode. Choice 1 of 4:The tangent to the

Unable to solve this question, tried a couple of times but doesn't make sense. Any help on it would be great Evaluate x' dx to 4 d.p. using 4 equal intervals by applying H (a) Trapezium Rule (b) Simpson's Rule

Problem 3 a. x = (2, -3, 0, 1)", compute Ixll1, Ixl/2 and Ixlloo. b. Compute || All1 and || All of 2 -1 3 A = 4 2 -1 2

The general second order linear differential operator is Lu = do(x) dzu - daz +ai(x) di + a2(r)u, where the functions as(x) are smooth and do(x) / 0 for r E (a, b). Use Green's/Lagrange's identity (v, Lu) = [J(u, v)], + (Lv, u) to construct L and J(u, v) when the inner product includes a nontrivial weight function w(x). Find the conditions on

Problem 4: Compute a. max ow from s to t in the following graph using the Ford and Fulkerson algorithm. ' '

Find the measure of the arc or angle indicated. W 105 - 80 0 ? V A) 1010 B) 140 C) 1410 D) 950M 64 104 0 L K A) 1250 B) 1150 C) 2060 D) 1440 Find the measure of the arc or angle indic tangent

Please write the step by step solution on one piece of paper. Please do it as soon as possible. Question 4 3 pts 1 E 1 quadratic equation forthe value of y(1.2}. This equation can be written in the form The initial value problem = :l: = 1 = 1 is solved using the backward Euler method with step ii. = 0.2. Application of the method produces a 11: a

full step plx 4. Let C = NMONN -34 We know that PC(T) = -(x -1)(x - 2)?(x +1), and O 1 O T T 0 RREF C+Is RREF C-IS O OMHOO O OHOO O O O O O O O C - 215 RREF 0 "IN HINMINO FIN -INMIND 0 0 (a) Find dimEc (1), dim Ec (1), dim &c (2) and their sum, (b) From the previous part, determine if C is diagonalizable. If yes, find a matrix S such that STICS is

help Find the domain and range 6) Cole collects Star Wars figurines. He currently has 100 figurines and collects 3 more each month. The function F(x) = 100 + 3x represents the total number of figurines he has after x months of collecting. He is planning on collecting for 5 more months and then taking a break for a while. Find a reasonable domain

Solve the given initial value problem using the method of Laplace transforms. z + 32 +2z=e "u(t - 2); z(0) -2, z'(0) - -3 Click here to view the table of Laplace transforms. Click here to view the table of properties of Laplace transforms. Solve the given initial value problem. z(1) =

Let F(-co, co) = {f : R - R} be the set of all functions from the real numbers to the real numbers, as in the book. (a) Let Qn be the subset of F(-co, co) consisting of all functions which are polynomials of degree exactly n for n 2 0. Show that this is not a subspace. (b) Let Pn be the subset of F(-co, co) consisting of all functions which are

Please answer all Use the piecewise-defined function to find the following values for f(x). 3 - 2x if xs1 f ( x ) = 3 2x if 1

Suppose you invest $290 at the end of each month for four years into an account earning 2.05 % compounded monthly. After these four years, you leave the money, without making additional deposits, in the account for another seventeen years. How much will you have in the account after the first four years? (Round to the nearest cent.) How much will

Question 14 10 Points A company gives each worker a cash bonus every Friday, randomly giving a worker an amount with these probabilities: $10 - 0.75, $50 - 0.25. Over many weeks, what is a worker's expected weekly bonus? A 10 x 0.25 + 50 x 0.75 = $40 B 10 x 0.75 + 50 x 0.25 = $20 C (10+ 50) x (0.75 x 0.25) = $11.5 Cannot say as the number of weeks

what information about the parabola can be gathered from the equation of quadratic in factored form y=a(x-r) (x-s) and what information can be gathered from an equation in standard form y=ax 2 +bx+c

Solve the equation below in terms of Bessels functions xy"+y=0

please help! 15. If A C B, use properties of set operations to simplify An (An B')' cota (shade the regio

3. [-/1 Points] DETAILS HARMATHAP12 7.WU.003. MY NOTES ASK YOUR TEACHER (a) List the set of integers that satisfies 5 s x

Todava me las arreglo para entender a mi maestro con estas ecuaciones puede ayudarme por favor. Compruebe que las siguientes funciones son la solucin a la ecuacin diferencial dada en cada problema \f

1. Consider the function f(x) = x2 + 4x. a. Sketch the graph of y = f(x) and y = '/f(x) . (2 marks Review the online page L1.1 Graphing Standards.) b. State the domain and range ofy = af(x) using set notation. (1 mark). c. I-tlgebrailzallyr determine the coordinates of any points of intersection between the two functions. State all answers as

AP PHYSICS C: WELL THERE'S A CENTER OF MASS IN YOUR EYE THAT KEEPS SHINING... Label An archaeologist discovers an ancient stone axe that consists of a symmetrical 6 kg stone head attached to e sides 1. the end of a 1.5 kg stick. The dimensions are shown below. How far is the center of mass from the handle on that end of the axe? merl me me st Im

City 2. What level of measurement is the variable "City"? (5 pts) Nominal

Solve for x 10 5x Your answer 1 point X - 8 35 Your answer 1 point x+9 2x Your answer 1 point 2x 10x - 21 Your answer 1 point 4x $20 Your

5. The sum of the measures of the exterior angles of a polygon with n sides is: 6. The sum of the measures of the interior angles of a polygon with n sides is: 7. For each polygon, find the sum of the interior angles. a) hexagon b) nonagon c) 22-gon 8. For each polygon, find the sum of the exterior angles. a) pentagon b) 18-gon c) decagon

10 1 point Which sequence matches the recursive function given by an = 2*an-1 where ao = 3? 3, 6, 18, 36, 72, .. O 3, 6, 12, 24, 48, .. O 3, 5, 9, 17, 33, .. O 3, 6, 9, 12, 15, . Previous Next

Write a trial solution for the method of undetermined coefficients. Do not determine the coefficients. y\" + 5y' 6y = (x3 + x)ex

marks. Numeric Response Numeric Response Graph 1 Graph 2 Graph Match the graph with the number of vobriens for the syverme Graph has cox solucion record this number in the first column Graph has co solutics record tus slumber in the second column) has an usfinite number of sourions (record this number in the third colon (Record your answer in the

Find the solution of the given initial value problem: y^(4)+2y+y=5t+2;y(0)=y(0)=0,y(0)=y^(3)(0)=1 Enclose arguments of functions in parentheses. For example,sin(2x).

In a trapezoid, find the angle between the bisectors of the ankes formed by the bases and one nonparaleel side

The hypotenuse of a right triangle is two feet less than three times the shorter leg. The longer leg is three feet less than three times the shorter leg. The three legs of the triangle can be expressed algebraically as:

En el da de apertura de un parque de diversiones The Escape Park, los primeros 30 minutos entraron unas 584 personas. Si este promedio de asistencia contina, cuntas personas visitaron el parque el primer da durante las horas de 9:00 a.m. a 11:00 p.m.? Identifica los datos y establece la relacin entre estos. Resuelve la relacin, presentando el

1.Find the equation of the line using the point-slope forumla. Write the final equation using the slope-intercept form. x-intercept is 2, and (3,10) y= 2. Find the equation of the line using the point-slope forumla. Write the final equation using the slope-intercept form. perpendicular to 3y=x1 and passes through the point (4,15) y= 3. The volume

Activity 3: Dimensions of Difference Direction: In Lesson 3, you have learned the different dimensions of difference on youth particularly in class, gender, and race/ethnicity. Each person's identity and journey through life is shaped by the social and cultural forces of the time and place they were born into. 1. If you were to zoom out" and look

1 Consider the system 3:(|Ei Eary) a) Find the critical points. b) Classify each critical point

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