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Mathematics Questions and Answers March 23, 2018

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Need help on this problem please help 1. SHADOWS Suppose the sun casts a shadow off a 35foot building. If the angle of elevation to the sun is 600, how long is the shadow to the nearest tenth of a foot"

Complete the following vector addition and subtraction problem using vector components. Complete the table of the components of the vectors and the resultant vector components (4 marks). Calculate the resultant vector (1 mark), the angle (1 mark) and state your final solution (1 mark). (7 marks total) Note that the negative signs are already

Hello, I would really appriciate some assistance with the following questions... any solution help gratefully received. (a) Figure 1 shows two points A and B with a straight line drawn through them. y A 5 3 2 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 X -1 -2 -3 -4 B -5 Figure I (i) Write down the coordinates of the points A and B. (ii) Find the gradient of

Ques- 2 What kind of impacts does each of your identified risks have? Can you categorize these as low impact, medium impact, or high impact? Answer : High risk: Hiring college students with flexible working hours and no plans, I think this is one of the high risks. Because the working hours of part-time college students are uncertain, and the

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Answer the question given in the image below. 23. (10.06 MC) Which of the following functions has the greatest y-intercept? f (x) -3 -14 -2 -6 g(x) = 3 cos(2x) + 1 -1 -2 0 3 1 15 2 6

Probability question help please. {A} What is the probability that the state Will be hit by a major tornado two years in a roar? |:| {Simplify your answer. Round to ve decimal places as needed.) {B} What Is the probability that the state WI\" be hit by a major tornado it three consecutive years? |:| {Simplify your answer. Round to ve decimal

I need answers 3b part1 test algebra QUESTION 10 Which formula can be used to determine the total number of different eight-letter arrangements that can be formed using the letters in the word DEADLINE? OAS! O B. 8! 4! Oc. 8! 2! + 2! OD. 8! 2!-2! QUESTION 11 Which formula can be used to determine how many different five member teams can be made

En los ratones, el pelaje negro es dominante sobre el pelaje marron, y la apariencia brillosa es dominante sobre la opaca. Un cruce entre un macho y una hembra, uno de pelaje negro opaco y otro de color marron brilloso, produjo una camada de descendientes de variados fenotipos; 14 negro opaco, 14 marron opaco, 4 negro brilloso y '4 marron

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Homework: GEOMETRY Review Find the value of x. B 25 9 A C X = O (Round to the nearest degree as needed.)

10:38 4 .III LTE (E) v / Tests / Test3 Time left 0:59:36 Question 4 Not yet answered Marked out of 1.00 \\V Flag question Two events E and F are independent if P(En F) = P(E) + P(F) Select one: 0 True 0 False Previous page Next page Quiz navigation IEI Finish attempt [E ."m eclass.yorku.ca 10:38 4 .III LTE C} VL Ask SAVY v Time left 0259230

Use the graph of f(x) = J; to write an equation for the function represented by each graph. (3) y

Solve for the particular solution of every diff. equation given. Solve for the particular solution of every differential equation given. 1. (2xy+x) dy - [x^2 + y^2 + y + 1]dx=0 when: x=1; y=0 2. (x+y) dy + 2(y+1) dx= 2 (x+1) vy+1 dx. When x=2; y=3

Answer 13 -4 Consider the matrix A = -4 7 (a) Find the characteristics equation and its eigenvalues. (b) Find the associated eigenvectors

17. Corvettes A shift manager records the numbers of Corvettes manufactured during each day of production

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Between 2010 and 2020, the total number of followers of a popular Twitter account can be modelled by the linear equation: f = 8.6t ? 70 (10 ? t ? 20) Where f is the total number of Twitter followers in 100 000's and t is the number of years since the start of 2000. (a) (i) Find the modelled number of followers at the start of 2012 to the nearest

Let's say Hank does not sell the property, but that Paula does. She is from a totally different brokerage company, Century 21. How much does she make and how much does Hank make

Please show work. 26) (-0.4) 2 + (-0.1) 2 + (-0.6) 27) 22 . (5 - 10) . (-2.7) . (-3)3 28 IN + 15 29 oo | w 30) 4 31) 10 10 15 32) N - 16 33 11 34) 1 5 3 18 B-2 35 ) - 2. 5 - 4. 14 + 4.4 Find the value of the expression. 36) 2x + 9y for x = 2, y =7 37) -2x - 8y for x = -4, y =6 38) (7x - 5y)(-6) for x = -6, y = -5 39) -7x + 6y - 4 for x = 2, y = 8

Problem: Write the standard form of the equation of a circle with center (2, 1) that contains the point (-2, -2)

i need all accurate answers..9 to 18..ASAP and i will upvote you..thanks..i need exact answer and little explanation..thanks 9. Your family can choose from a trip to Virginia or Vermont for vacation. You can travel by car, train, or airplane. How many different ways can you select a destination and mode of travel? 10. The following is a geometric

Find A -1 in terms of A if matrix A satisfies the equation: 20A 5 + 18A 4 + 5A 4I= 0 A -1 =

3.) Fill in the blank. Convert the angle in degrees into the DMS system: 124.31

Someone help me on this please? clear explaination Consider the following problems in modular arithmetic. Justify every step in your solution. (b) Solve each of the following modular equations for x: (i) 342x + 448 = 73 (mod 1003

List the whole number dimensions of a triangular prism that has the surface area of 108 square units. Show ALL work

"Tami earned $20.64 in a simple interest by investing a principal of $400 in a treasury bill. If the interest rate was 1.72% /a, for how many years did she have her investment?

Jose the trainer has two solo workout plans that he offers his clients: plan A and plan B. Each client does either one or the other (not both). On Friday there were 2 clients who did plan A and 12 who Plan B. On Saturday there were 5 clients who did plan A and 3 who did plan B. Jose trained his Friday clients for a total of 9 hours and his

Explain why the graph represents an impossible situation. Distance (m) Time (sec)

Roots and Multiplicity #2 Match each graph to the possible equations. Select ALL that apply. Explain how you know. 1. 2. 3 . a. f (x) = (x -2)2(x+3)3 (x+ 1) b. f (x ) = (x - 2)3(x + 3) (x+ 1)3 c. f (x) = (x - 2)2( x+ 3)3 (x + 1)3 d. f(x) = (x -2)3(x+3)2(x+1) e. f ( x) = (x - 2)2( x + 3)2 ( x + 1)2 f. f (x) = (x - 2)2(x+ 3)3(x+1) g. f(x) = (x -

Use the graph of y =4(7)" as a model, and summarize the properties of the exponential function defined by y = ab , where a > 0. Complete parts a through e below. a. What is the domain? Choose the correct answer below. O A. The set of all positive real numbers. O B. The set of all negative real numbers O C. The set of all real numbers. O D. The set

I need help with these two problems please, and please provide a detailed explanation that is legible as well. \f\f

5 Examine each of the following pairs of triangles and the markings that indicate congruence of corresponding angles and sides. In each case, decide whether the information given by the markings ensures that the triangles are congruent. If the triangles are congruent, write the congruence relation and cite an appropriate congruence condition to

Two companies are considering a joint venture that can yield $600,000 in revenue. To succeed, the joint venture requires a cash investment from Company A and the use of a factory owned by Company B. Specifically, Company A would need to invest $200,000 and Company B's factory would need to switch away from current production worth $500,000. Which

16. Find the sum of his series: 3x + 5x + 7x + ...+ 23x Sum = X 17. Determine two of the following geometric sequences. Round to the nearest hundredth. t1= 100 and r=0.55 18. Determine the number of terms, n, in the arithmetic sequence 91, 67, 43, ... -245 PAGE 8

1. Determine the solution of the differential equation e Xy = x given that y(0) = 10 2. Determine the solution of e*dx - ydy given that given that y (0) = 4 3. Determine the solution of the differential equation y' = y+1 given that y(3) = 4 4. Determine the solution of - = 8 -3y given that y (0) = 12 5. Determine the solution of y' = x2yz given

b. Construct a line through A that is perpendicular to BC. Label the point of intersection of this line and E as point E. i. Based on their angle measures, how can you classify AABE and AACE? Type your response here: ii. Considering E as a side of AAEC, express its length in terms of variables representing side lengths and angle measures in AAEC.

6. Use the diagram to fill in the blank with a fraction. H K a. Kyle has fewer stamps than Hannah. b. Hannah has more stamps than Kyle. c. Kyle has as many stamps as Hannah. d. Hannah has times as many stamps as Kyle

Find the present value of an ordinary annuity with payments of $24,289 quarterly for 4 years at 8.4% compounded quarterly. What is the present value? Round to the nearest cent.)

I need help Surface Area and Volume of Prisms 1/10 Manuel has a box measured 1.2 meters in length, 0.9 meters in height and 0.9 meters in width. What volume can his box hold? The volume of the box is_ m3. 0.9 0.9 1.2 Enter the answer Chark it N SAMSUNG

Budgeting 3. The circle graph represents Amy's expenses for one month. Amy spent a total of $1950 for the month. What amount did she spend on food and rent in total? (2 Marks)

7. The radioactive isotope Sodium-24 is sometimes used as a tracer in medical studies. The mass, R milligrams, of Sodium-24 remaining after t hours is given by the equation R = (0.95)' , where lis the initial mass. a) Suppose 55 mg of Sodium-24 is injected into a patient. How long will it take until 5 mg remain?[ 3MARKS] b) Determine the half-life

19. Troubleshoot device configuration and network connectivity according to switch specifications

Please attach the solution to this question. Thank you in advance 8. The graph of y = Aekx has gradient 12e' at the point x = 2. Find the values of A and k and hence find the exact y-coordinate when x = 12

Please take a look at all, thanks in advance 3. For the function y = 3f (-x + 2) + 5 state the transformations that have occurred on the base graph y = f(x) in the correct order they have been performed. (4 marks) 4. Graph the following functions, properly labeling all parts and clearly showing at least three key points per graph. Show all

Question 3 for the Following differential equations; derive the isoclines for ie zy = 0, the inter temporal equilibrium point (xx#, y# ) and determine the type of equilibrium ( 9) 2 2 = ze - 3y [ q points ] - 4 te ( b ) =- 2x ty +5 [ q points ] De - Zy + 3 ( 1 ) 2 2 - - 2x - 174+ 34 [ 9 points ] = De + 24 (2) Draw a phase diagram of the System

Consider the frequency distribution to the right. Complete parts (a) Value Frequency through (c) below 624 14 540 597 580 12 582 606 (a) Find the mean of the frequency distribution. The mean of the frequency distribution is Type an integer or a decimal, Round to the nearest tenth as needed.) (b) Find the median of the frequency distribution The

4.18 In trigonometric leveling from point A to point B, the slope distance and zenith angle measured at A were 5462.46 ft and 94 08'36". At B these measurements were 5462.58 ft and 85 51'32" respectively. If the instrument and rod target heights were equal, calculate the difference in elevation from A to B

3. For each of the following matrices, use Gauss-Jordan elimination to either find its inverse or to show that it is singular (i.e., no inverse exists). 2 A = C = 0

I. A physician assistant orders 250 mL of D5NS over 5 hours. How many milliliters per hour will the patient receive

Assume that the cure rate for certain drug is 40% and that 12 patients are tested with this drug find the probability that exactly seven patients are cured. Keep 3 decimals

Part C If the center of the small gear ls rigidly attached to the center of a bicycle wheel with a radius of 1!} inches, how many inches will the bicycle travel with a single rotation of the large gear

Seven cars are traveling together in a caravan. Each car has two people in front and three passengers in back. Create an expression using the numbers 7, 2, and 3 along with and + and parentheses if necessary to tell how many people are traveling together. Tell why you did or did not need to use parentheses for your expression.

Hello, I have a discrete math question. How do you prove a subsequence of $ (n )N gan

PLEASE SHOW ALL WORK/STEPS 2. Solve by converting an augmented matrix reduced row echelon form x + 2y - z = 1 2x+y+ z=2 x +y+3z=4 answer (

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Let A be an m X n matrix with columns c1, C2, . . . ca. If rank A = n, show that { A c1, Ac2, ..., Acn) is a basis of R"

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Show that if ad bc # 0, the formula for A'1 (where A is a 2 x 2 matrix) is correct

Create a scatter p|ot for the set of data. i Choose the scatter plot on the right. i \\ L l 1 \\ ' \\ @731 Q

w Word * 0 Mail - Alexis Jimenez-Escalera - C X i (4) General (6th Period Algebra 2 X project X Course Hero | Make every study | x + V X C A desmos.com/calculator/lstopstuff E project Save desmos alexis C ? + *

Please provide a step-by-step explanation, Thanks! 9. Fungi are reproducing exponentially with respect to time, as shown in the table below. Which of the following equations expresses fungi (y) at a time (t) ? Day Fungi 0 2 1 6 2 18 a. y = 18+ 2t b. y = 2' c. y = 2(3)' d. y = 3(2)'

Explain this to me in detail please W Math 150 Test 3 Review Chapter 3 Name Here are some application problems. All parts of all problems can have calculator solutions 14) Energy consumption had a significant effect on the economy last century. The U.S. consumption of energy by residential and commercial users from 1950 - 1980 can be modeled by

Use the graph of y = f(x) to graph the function g(x) = f(x) -1. y = f(x) Choose the correct graph of g below. O A. O B. Ay x O c. O D. Ay X

2 5 ' (a) (3 points) Find the eigenvalues of A. 4. Consider A = [-3 1] (b) (3 points) Find a basis for the eigenspaces associated to each of the eigenvalues you found in part (a)- (C) (3 points) Find an invertible matrix P and a rotation matrix R = [Z :5] such that A = PRP'I. Clearly state what the matrices P and R are and Show your work on how

5-Resolver para la variable indicada. F=kx-kx0parax 6-Borrar parntesis y combinar trminos similares. 6(2x - 5) + 11x 7-Borrar parntesis y combinar trminos similares. 2x-8xy+15y-6xy+4x2 8-Resolver para la variable indicada. 9x + 6y = -3 para y 9-Encuentre el y luego grafique la ecuacin. 3x + 4y = 12 x-interseccin: (4,0); interseccin y: (0,3)

Mrs. Hanger is painting the following picture of an H to hang in the entryway of her home.She has made the following scale drawing as her model.The scale used on the drawing is 1:6. As you can see, the "H" is going to be painted brick red in the center of a rectangular beige background.This means the distance from the "H" to the top of the picture

Dear Tutor: I need to solve the following exponential function: The dollar value vt of a certain car model that is t years old. The function is V(t)= 24,500 (0.78) Exponent (t). I need to find the value of the car after 7 years. I substituted the value of t for 7. Now my function looks like V(7) = 24,500 (0.78) Exponent (7). However, the answer

7. A small local business of 25 employees needs to send 10 different employees to a small business networking event. a. How many different groups of 10 employees can be sent? b. 75 different people attend the networking event. If every person at the networking event must shake everybody else's hand exactly one time, how many total handshakes will

27.given functions f and g. perform the indicated operations. 28 given functions f and g, perform the indicated operations Given functions f and g, perform the indicated operatic f(x) - 4 - 5%, g(x) = -8x + 5 Find f + g A 8x + 4 13x 19 3x 19 D -4x Question 28 Intens Jand & perform the indicatedimberstrong

2. Let X1, ...,X5 be aid from Poi3(A) with 2:1 :13; = 20. Suppose A has the prior Gamma(or,6 ) with pdf 0: F05!) 7r(A) = A"'_le_'E , A > 0; where a = 106 = 4 (1) Find the Bayes Estimate of A. (ii) Find a 90% credible interval for A (Use the X2 table and equal tail areas) (iii) Test Hg : A = 3 vs H1 : A = 3.5 if they are the only possible values

Use the Pythagorean Theorem to find the length of the unknown side of the triangle. Write the answer as a radical in simplified form. 141 X V13

1.) Let 0 be the angle in standard position whose terminal side contains the point P(-3, -8) then find the exact value of sec 0. 8 V73 A B 3 V73 C 8 V55 73 D 3 V55 73 55 E none of 55 these

STEP 2: Sampling Distributions Using the class (population) parameters, label the axes (X & Z), calculate the mean of the sampling distribution and the standard error and label the axes with +3 standard errors. Then answer the following questions using the drawing (with shading & equations). A. Given the class parameters, what is the probability

X MATH 103 W2022 Section 4 = Test: Test Three Question 20 of 22 Next question Write the expression as a single logarithm. Express powers as factors. In(x-2) +In (xx2 )- in ( x2- 4) X In + In x *+ 2 - In (x2 -4) = 0 x - 2

Homework: Chapter 8 semester review HW Score: 39.06%, 12.5 of 32 points Question 17, 8.2.29 Points: 0 of 1 Save 9,000 The weight P in pounds that a beam can safely carry is inversely proportional to the distance D in feet between the supports of the beam. For a certain type of wooden beam, P= D What distance between supports is needed to carry

1. Find the slope, 2. The y intercept, 3. Please graph the equation clearly Find the slope and the y-intercept of the graph of the equation. y = 5x + 3 slope y-intercept (x, y) = Graph the equation. 10 9. 8 7

Solve the following: 1) A man stacks a wood pile with 32 logs in the bottom row, 30 in the 2nd row, and so on. If the stack is 10 rows high, how many logs are there total? What if the stack is 12 rows high?

d) h(x) = 3 -4.x 12. Evaluate each limit, if it exists. If it does not exist, explain why. a) lim V16 - x - 4 b) lim 3x- - 7x + 2 2x- - x - 6 13. Where is this function discontinuous? Justify your answer. -(x + 2) +1 ifx=2 f(x) =1 x+1 if -2 3 14. Use first principles to determine the derivative of f(x) = 2x X - 3 15. Determine the coordinates of

Need help.... 5. Let f(x, y) be a quadratic form with discriminant 12. (a) Show that Conway's topograph has an infinite river. (b) Show that f(x, y) is equivalent to +(x2 - 3y?). Note: Be careful, since you are not allowed to flip/reflect the topograph, only rotate and translate

2) Design a five bit Fast subtractor using XOR , AND & Complex gate using simple Pmos and Nmos and explain its operating principle

FIN- E Homework: 6-3 MyFinanceLab: Assignment:

9. Explain the difference between legislation and regulation? (2) 10. and are the types of stakeholders to whom payroll department is accountable. (3) 11.What is the primary objective of the payroll department? (3)

solve the problem 2. Suppose we employ ILP to find the highest weight matching of the following bipartite graph: 5.3 V1 3.5 uz V2 2.0 1. 6 V3 a) [5 points] Give the name of each control parameter. b) [7 points] Write all constraints in this exercise, and the objective function

b. Find the length of the second parallel side of a trapezoid whose first parallel side is 21 cm, whose height is 15 cm, and whose area is 307.5 cm2. cm

please help A refrigerator manufacturer recommends that the temperature t (in 'F) inside a refrigerator be 36.5 .F. If the thermostat has a margin of error of no more than 1 F , (a) Write an absolute value inequality that represents an interval in which to estimate t. (b) Solve the inequality and interpret the answer. Part: 0 / 3 Part 1 of 3 The

3. "All points between and including endpoints" describes which of the following terms? A angle B line C line segment D ray

7. Encuentro el area de un jardin circular que tienen por 15 pies de diametro. Exprese la respuesta en metros cuadrados

In each part list the value(s) of a for which the given matrix is noninvertible. 1 1. 1 2 1 Answer: 1 [1 0 1] 2. 0 Answer: 6 2 0 ac 3. 10 2 Answer: O 1 O 4. 0 Answer: 5

Name Select the problems that you want to work. You must complete at least 2 problems from each section. Find the sum if it exists. If it does not, explain why 1. 2. E 7 (0. 2)" 1 3. 10 4=1 4. 2 0. 75(- 0.95) The sum of an infinite geometric series and the first term of the series are given. Find the common ratio of the series S = 50, given a 4 6.

17. Find an if n = 2 of the arithmetic sequence with a,,= 14n - 3. 18. Find the first five terms of the arithmetic sequence with a, = 9 and d = -3. 7! 19. Evaluate 4!3! 35 20. Which expression can be used to find the number of permutations of n distinct objects taken r at a time? n! n! a. b. (n-r)!r! (n-r)! C. n! nir d. none of these 21. Find n of

QUESTION 6 61 The graphical representation below is not drawn to scale. The gradient of the objective function is the same as the gradient of the dotted line. The equations of the inequalities are given as -3x + y 5 0; 2x + y 2 10; x 2 0; y 2 0. A -3r + 1=0 RegionII Regionl RegionIII RegionIV 2r + y = 10 - Search line Various options are given as

Quiz 7 (1 and 2)This is a linear algebra questions please answer with step by step workings . Thanks . Let U = 10 and V = Compute U . V . V . V, and | | u | | N For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac) BIUS Paragraph Open Sans,sa... V 10pt F V A v IT The REC V X EX P QUESTION 2 Two of the following three vectors are orthogonal. The

Week 13 quiz - Google Chrome - 0 X moodle.telt.unsw.edu.au/mod/quiz/attempt.php?attempt=12639555&cmid=5073396 Question 1 A reservoir contains 1000 m of water. A pipe delivers 10 m of dye into the reservoir per day. Mixed water and dye flows out of the reservoir at the Not yet answered same rate. arked out Let y(t) be the amount of dye in the

b d -b Use row-reduction to compute the inverse of the matrix below, if it exists, and confirm your answer by comparison with the formula ad - bc . if ad - bc #0. d - c 9 2 Set up the correct augmented matrix needed in order to find the inverse by row-reduction. 9 (Type integers or simplified fractions.) Find the inverse of the given matrix, if it

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simple and compound interest, please help explain the answers please [3, A] 7 b) Marcia is investing some money!!! She is making regular contributions to a Registered Education Saving Account. She came up with the following formula to determine the 325[(1.o125)431] future value of her RESP: A = . 0.0125 What is her regular contribution (payment)?

Consider the following statements identify its truth value 1. Fibonacci Day is November 23 2. Set is a well-defined collection of distinct objects. 3. 35 + 8 = 43 is an open sentence. 4. The cardinality of set A = {1, 2, 3, 4, 5, 7, 8, 9} is 9. 5. Mathematical sentence combines tugboat terms using comparison operators. 6. (pr) (~sq) 7. (~rt) (~sp)

Answer the last part Safari File Edit View History Bookmarks Develop Window Help Q .Sun Mar 20 1 A mylab.pearson.com C GTC 4me gtc.com -.. y! The ages... C The Ages. Activity St. Content y! Exit pollin... C Exit Pollin... Content P Do Home... P COL 22SP_MAT-120-FW1 Probability and Statistics Tyera Mckenzie 03/20/22 11:14 PM Homework: 8.2 HW -

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