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Mathematics Questions and Answers October 11, 2021

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6. Record the length of your strip of paper here: 112 cm 112 7. Show your scale factor fraction here: 5.91 x 10 kil 8. As you calculate the scaled distances for the planets on table. Object Semi-major axis Scaled Distance (km) Calculated (cm) Sun Mercury 5.83 x 10' 1.1 cm Venus 1.08 x 10* 2.0 cm Earth 1.50 x 10 2.8 cm Mars 2.27 x 10 4.3 cm steroid
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The profit P, in dollars, of selling x widgets and y gadgets is given by the function P(x, y) = 7x + 3y. Which corner point of the shaded region will 40 35 10 35) 30 (10. 30) maximize the profit? 25 (15. 25) 20 15 (20. 15) 10 (20. 0) 5 10 15 20 25 30 35 40 O A. (0, 35) O B. (20, 15) O C. (10, 30) O D. (15, 25)
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Part C unit activity: similarity and proof (Edmentum) pleaseeee help Part C How does the ratio of corresponding side lengths of the two quadrilaterals compare with the ratio of the areas of the quadrilaterals? BIUX X 2 15 px v A v v V B Characters used: 0 / 15000
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1) Your company manufactures automobile alternators, and production is partially automated through the use of robots. To meet production deadlines, your company calculates that the numbers of laborers and robots must satisfy the constraint xy =10,000 where x is the number of laborers and y is the number of robots. Your company currently

At McNae's High School, one hundred students are assigned lockers from 1 to 100. The student assigned to locker number 1 opens all 100 lockers. The student assigned to locker number 2 then closes all lockers whose numbers are multiples of 2. The student assigned to locker number 3 changes the status of all lockers whose numbers are multiples of 3

Question 21 (7 marks) Suppose that f is analytic on C and for all z = rtiy in C (r, y are real numbers), we have If ( 2 ) |
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Please answer as fast as possible it's an emergency I will rate with thumbs up An architect is building a structure that will place vertical pillars at the vertices of regular hexagon ABCDEF, which is lying horizontally on the ground. The six pillars will hold up a flat solar panel that will not be parallel to the ground. The heights of the
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Determine if the column of the matrix A=[1 4 and 2 -1] are linearly independent? 4 Determine if the column of the matrix A=/ 2-1 are linkarly independent
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Let y= number of broken eggs in a randomly selected carton of one dozen eggs, which gives us the following distribution. y 0 1 2 3 4 p(y) 0.55 0.25 0.15 0.03 0.02 (a) Calculate y . Enter a number. y= Interpret y . This is the mean value of the number of broken eggs in a sample of egg cartons. This is the mean value of the number of broken eggs in

Need help from 2-12 (2) If z, w E C, show that Re(zw) = Re(z) Re(w) - Im(z) Im(w). (Hint: write z = a + bi and w = c + di, then multiply out zw.) Note: it is also true that Im(zw) - Re(z) Im(w) + Im(z) Re(w), though you don't have to show that on this problem set. (3) Using the identities for Re(zw) and Im(zw) from problem 2, plug in z = e201 and
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can you explain this because I don't understand this A bicycle frame consists of two adjacent triangles. The diagram shows some of the dimensions of the two triangles that make up the frame. n B 28 in 32" 16 in. 16 in. 28 in. A 16 in. D Answer these questions about the bicycle frame ABCD. Justify each of your answers. a. Find the measures of all
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Please help with this statistics question \fQUESTION 6 The next five questions involve a random variable X having the following probability distribution: P(X = 0] = , P(X= 1}= _3, P(X= 2) = -8, P(X = 3] = 17. 12 What is P(X > 2)? O 0 O 12 O 5 12 O w/ N O 12\f\f\f
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2 8 46 3 -15 93 Let A = B , and D = 1 3 55 Linearly Dependent v 1. Determine whether or not the four vectors listed above are linearly independent or linearly dependent. 2. If they are linearly dependent, find a non-trivial linear combination which adds up to the zero vector. Otherwise, if the vectors are linearly independent, enter O's for the
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Help 2. adJacent angles , 3. complementary ' angles \" Li. supplementary ' angles 5. linear pair __6. alternate interior "angles __7. alternate exterior angles 8. consecutive interior angles ______ Cl. consecutive exterior I. . angles mo 3: _____ to. corresponding angles 5r
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Find the measure of the angles of isosceles triangle where the ratio of the vertex to one of the base angles is 4:3.

A quality audit of a bottling company showed the number of defective batches outside of the specification limits for a particular oil product. The grouped data shown in the table below indicates the number of defective items per unit of measurement. CLASS f CUM

A researcher hypothesized that imagery instructions would improve the recall of words. In her experiment, she randomly assigned some participants to learn a list of words with the instruction to use imagery. Participan ts in the second group were instructed to learn the words with rote memorization, whereas the third group used a combination of

2. (16') The random variable X has pdf fx (*) = ka , for 0
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The population P (in millions) of Italy from 2003 through 2015 can be approximated by the model P - 57.59e Posts, where t represents the year, with t - 3 corresponding to 2003. (a) According to the model, is the population of Italy increasing or decreasing? Explain, Because the coefficient of the model is - Select- the population is - Select-
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can you please help me with the question? Angle C is shown below, along with 1/360th of the circumference of the given circle. The arc subtended by Angle C's rays is 4.5 inches long, and the unit (1/360th of the circumference of the circle) is 0.05 inches long. 4.5 inches 0.05 inches a. The arc subtended by Angle C's rays is how many times as long
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0 Use the table below for your answer . For the evaluation of your learning to learn competence, remember to use your own personal examples to illustrate the level of competency you reported a Word limit - maximum 500 words Dimension Cognitive Description Metacognitive . 'ective Evaluation with examples from your personal experience '
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Which is a unit used to measure angular distance? Group of answer choices seconds minutes kilometers arc seconds light years

Un vendedor de coches nuevos calcula que su compaa tiene un 4,8% de ganancias promedio en la venta de los autos nuevos asignados. El gerente de ventas aprob los precios para producir ese porcentaje de ganancias. El dueo de la compaa quiere estar razonablemente seguro de que la decisin es correcta, para ello se toma una muestra aleatoria de 30

The question is in the picture below. . Let n be a positive integer greater than 1. An element a: in 2,, is called nilpotent if 23;\" = 0 for some positive integer is. For example, 0 and 2 are nilpotent in Z4, and 0, 3 and 6 are nilpotent in 29. Let N = N (Zn) denote the set of all nilpotent elements in Zn and put 1+N= {1+zleN}. (a) Prove that N
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Change the chart title to Annual Visitors. Apply Blue, Accent 5, 5 Darker 25% font color to the chart title and category axis labels. Change the value axis display units to Millions. Add Primary Minor Vertical gridlines to the chart. 12 Apply data labels to the outside end of the 2017 data series. Apply 4 Number format with 1 decimal place to the
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Find the 90th percentile C90 of each of the following normal dis- tributions N(0, 1) N(20, 5) N(20, 60). (b) By calculating (C90 )/ for each of the distributions in (a), see how many standard deviations the 90th percentile is from the mean. (c) Does it follow from (a) and (b) that, to find out how many stan- dard deviations a particular percentile

Question 13 (5 points) Find the maximum and minimum points of the function y = 2 sin 2(x + IT) + 3
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The Human Resources (HR) Director is implementing a three-week training program for the manufacturing department employees, which she believes will have no impact on their productivity. In order to have data to support her belief, the three-week training program is given to 22 employees chosen randomly from the manufacturing department. We

Math 103 2.1: Homework Q1) Determine the range of the quota, "q" for the following voting system to be meaningful: [q: 5, 3, 3, 2] Q2) Determine the range of the quota, "q" for the following voting system to be meaningful: [q: 10, 8, 8, 3] Q3) How many coalitions are in a weighted voting system with 6 players? Q4) How many coalitions are in a
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A flat board makes an angle of 280 with the horizontal and is 1.2 m long, as shown below. A coin starts sliding from rest at the top of the board. The coin has constant acceleration and it reaches a speed of 0.8ms at the bottom of the board. Let the mass of the coin be m (in kg) and the coefficient of sliding friction between the coin and the
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2) A lottery offers one $1000 prize, one $500 prize, and eight $100 prizes. One thousand tickets are sold at $4.00 each. Find the expectation if a person buys five tickets. A) -$12.00 B) -$1.70 C) -$22.50 D) -$8.50

What is the term for Average of the sums of squares of the deviation scores

. A ball was floating in a lake when the lake froze over. The ball was removed without breaking the ice, leaving a hole 42 cm wide and 9 cm deep at its lowest point. What was the radius of the ball?

Solve the following inequality. -x-2
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Which answer has a word with the /o/ vowel? hope, crook,lock

Can you answer in a way where it is easy to copy down on paper 6. Let r, y, z ER. Find the von Neumann value and the optimal strategy for each player in I the matrix game: Z [Hint. Consider cases how r, y, z are related and do not forget to use domination.]
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cat has litter of 7. assuming that male / female births are equally likely. what is the probablity the kittens will be female? P(at least5)

c) G d) 380 R 15 10.4 T H 10 K 40 20 S
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5.19. A critical part of a machine is available from two suppliers. The lifetimes of the parts from the ith (i = 1,2) supplier are iid random variables with common cdf Ai (-). Suppose the following replacement policy is followed. If the component currently in use lasts longer than T amount of time (T is a xed positive constant), it is replaced
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Construct a truth table for the given Boolean expressions: AB' + A'C + B'C'

onvert the following numbers as asked, and show work: ( 4 Points) A. 35.05 cm into mm Answer______________ B. 2.50 kg into mg Answer______________

Exercise 1: Below, you will calculate masses for two supermassive black holes from the given light curves of two different active galaxies. For each of the following light curve graphs, you will first measure the time it takes to go from a maximum point to a minimum point and back to the next maximum. This should be done 3 separate times on each

Find the slope of the tangent line to the graph of the given function at the given value of x. y= - 7x + 3/2. X = 16 1/2 + X . . . The slope of the tangent line to the graph is 9Find the derivative of the function. 3.6 f(u) = 5u 0.3 - 7u f' (u) =Use the product rule to find the derivative. y = (3x
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MULTIVARIATE DISTRIBUTION QUESTION 1 (a) If an n x m matrix X is N (1u'; In 8 ) , derive the density function of X. (b) Show that if A is Wm (n, _) with n > m, then the density function of A is fA (A) = 2-7mn ( det )) zn I'm (n) etr ([A) (det A) =( -m-1) , A > 0 2m n 2mn where Vm,n ( HidH1) I'm (n) (c) If A is Wm (n, ) with n > m - 1, show that E
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Solve for the base round to hundreths when necessary what is the base if the rate 16.3% and the portion is 459

Given the functions: f (x) = x+9x g (x) = 5x h (x ) = 7x+3 Evaluate the function (h . f) (x) for x = -2. Write your answer in exact simplified form. Select "Undefined" if applicable
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Question Below, please provide explanation. Thanks. In a (200 x 200) pixel 2D game world consider a wall (line) that has equation y ; x + 10. A point P0 : (40,45) moving with a constant velocity fig : (12, 10)t where t is time (in frames). (a) [marks] Find P1 (P0 at time 1) and show that the point has \"collided\" with the wall using the dot
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Part 1: Using either Google Slides or PowerPoint, create a presentation of a minimum of four slides. Choose a math topic or concept that we have studied this year. Provide details about that topic - introduction, some examples, application to real world, where it originates from etc "You need one title slide and three information slides. .Do not
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Determine whether the description corresponds to an observational study or an experiment. Research is conducted to determine if there is a relation between height and childhood exposure to measles. . . . Does the description correspond to an observational study or an experiment? Experiment O Observational study

1. For each function below, state if it is a linear function, a power function, or an exponential function. If it is exponential, identify the initial value and the growth factor. Lastly, say whether each is increasing (growth) or decreasing (decay). Type of function Increasing or decreasing? (if exponential list initial value and growth factor)
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Mary, the PM, has estimated that Bob takes 2 days to finish the anti-virus module. Which do you think is correct if she needs to estimate how long it would take both Bob and Stephanie who is another developer with a different skill level

hello tutor please answer all the questions. thank you Learning Task 4: For you to fully master this module, analyze and solve the given problem. 1. For y=In2x, determine the equation of a tangent line parallel to 2x- 3y+ 1-0. 2. On the wall of Mr. Piamonte's house, a picture was hung in 6 me- ters high, so that its location is 5 meters above an
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The table shows the values of a function / (x). What is the average rate of change of / (x ) from -2 to 2
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Pre calc Question 6 (1 point) Given that point M(5, 10) lies on the graph of g (a ), and point M' (5, 18) lies on the graph of h (a), where h (x) = (fog) (x), the corresponding point that lies on the graph of f (ac) must be (x, y). The x coordinate for the corresponding ordered pair (x, y) will be: Your Answer:
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For #4 - #6, let A = 5. Is the vector 4 in col (A)? 6. Find a basis for col (A). Show me an example
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The equation t2x2cos(2x)=622cos2x=6 implicitly definesxas a function oft. Finddxdtdxdt. dxdt=dxdt=

Question 1 (5 points) Find the sum of the first 6 terms of the infinite series: 1 - 2 + 4 - 8+ ... O -53
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A billboard at ground level has a support length of 26 feet that extends from the top of the billboard to the ground. A post that is 5 feet tall is attached to the support and is 4 feet from where the base of the support is attached to the ground. In the figure shown, the distance, in feet, from the base of the billboard to the base of the support
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Including the monthly payment from October, how much has Sunny paid to the credit card company by the time her card is paid off? How much of this amount was interest

[RBH 3.22] Problem 1: Prove the following results involving hyperbolic functions (a) cosh(x) - cosh (y ) = 2 sinh x - y sinh 2 2 (b) If y = sinh (x) (22 + 1) day dy + X 0 dx
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Please help with this statistics problem. Please clearly highlight the answer. Thank you QUESTION 1 The next ve questions describe certain concepts that are used in hypothesis testing. In each case pick the concept that is being described. The act of rejecting the null hypothesis in the case it is true is called the alternative hypothesis 0 the
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Question 2 (1 point) D) Listen Which of the following points are invariant when transforming f(x) to f(-x)? O A) all x-intercepts O B) all y-intercepts O C) both the x-intercepts and the y-intercepts O D) no points are invariant
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can you help me Find the equation of a quadratic function whose graph satisfies the given conditions. Vertex = (4, -7); x - intercept : 2 Select one: O a f(a) = = (2 -4)2+7 Ob. f(z) = (x -4)2-7 O C. f(x) - (2 - 4)2+7 O d. f(x) = = (2 -4)2-7Given f(x) = Vx, g(x) - x2 - 9 Find ()(2) and its domain. g Select one: O a. (-00, -3) U [-3, 0) U (0,00) O
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Solve the equation x^2+6x-11=0 by completing the square, there are two solutions A and B where A

inctions The graph of a function is given. Graph the inverse function. 4 3 -2 -1 2 -- 2 Select one
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19) Write the system of linear equations represented by the matrix below. Solve, using variables x, y, and z.: * 32. Write the system of linear equations represented by the matrix below. Solve, using variables x, y, and z. -2 3 1 -8 0 1 -216 0 0 1 1-5 x-2y+3z =-8 x-2y+3z = -8 A) y - 2z =6 ; (1,4,-5) B) y - 2z =6 ; (-4,1,-5) Z=-5 Z=-5 x-2y-2z=-8
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Can you please help me to understand how to solve these problems step by step? Write a polynomial function f (x) in expanded form where the only zeros are -1, 4, and 6. Of(x) = 13 -9r2 + 14x + 24 Of(x) = x3 + 10r2 -17x - 28 Of(x) = x3 +9r2 -14x - 24 Of(x) = 13 - 10x2 + 17x + 28What can be deduced about x) 2 :4 1233232442182 from the following
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Please help with the following T/F questions in my Homework, thank you. If A, B are 2 X 2 matrices such that AB = 0 then BA = 0.If A and B are invertible 2 X 2 matrices with nonnegative entries, then A + B must also be invertible.If v, w E R4 are linearly independent vectors, then there is an invertible matrix P such that P?) and P11) are
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3. For X + Y = 3. Make a table of values, sketch the graph, find the x and y axis intercepts. Completely label the graph
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Given the statements, c: 'It is cloudy', w: 'it is windy', s: 'it is sunny'. a. Write c w in words. b. Write 'It is not sunny and it is windy.' in symbols. c. Write the negation of 'It is not windy and it is cloudy.' in words. d. Write the contrapositive of 'If it is cloudy, then it is not sunny.' e. Write the negation of 'Some days are not

Please fill in the blanks Consider points A (-4, 3) and B (-1, 2). Use the criterion for perpendicularity to find the equation of the line that passes through A and is perpendicular to AB. The equation of the line that passes through A and is perpendicular to AB is y= 2 +
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v 5. An infinite geometric series has rst four terms 14;: +16x" 64x3 +...The series is convergent. a Find the set of possible values of x for which the series converges. b Given that 2 (4.3: )H = 4 , calculate the value ofx. r=l 4. At the beginning of each month Kath places 100 into a bank account to save for a family holiday. Each subsequent
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select the key components that all optimization models have in common. (Choose all that apply) Group of answer choices

Suppose A is an n n orthogonal matrix. Use the facts/formulas to show that det(A) = 1.

How do bounding domains affect rule application in a derivation?

5.1. Check that the relation Edeg(u) = 2- #Ec holds for each of the following: (a) Cycles Cn (b) Paths Pn (c) Complete graphs K (d) Complete bipartite graphs Km,n5.5. Let G be a (simple) graph with n vertices. (a) If 2
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4. (16') Take samples of a random variable X five times. Then we get numbers 2.2, 3.9, 2, 0.1, 1.8 Assume that X obeys the uniform distribution U[0, a]. By moment method, estimate the values of a
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Question 1 (1 point) ) Listen Which of the following points are invariant when transforming f(x) to -f(x)? O A) all x-intercepts O B) all y-intercepts O C) both the x-intercepts and the y-intercepts O D) no points are invariant
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3. Studies have suggested that the stress of major life changes is positively related to subsequent physical illness.Holmes and Rahe (1967) devised the Social Readjustment Rating Scale (SRRS) to measure the amount of stressful change in one's life.Each event is assigned a point value, which measures its severity.For example, at the top of the

26. Let u = (2, 3, 1), v = (1, 3, 0), and w = (2, -3, 3). Since (1/2)u - (2/3)v - (1/6)w = (0, 0, 0), can we conclude that the set {u, v, w} is linearly dependent over Z
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Please help with the calculus problems 1) Consider the function f(z) = =1. (a) Fill in the following table of values for f(z): T = -0.1 -0.01 -0.001 -0.0001 0.0001 0.001 0.01 0.1 f(z) = 1.486600775 1.596555664 1.608143462 1.609308405 1.609567434 1.610733753 1622459127 1.746189431 (b) Based on your table of values, what would you expect the limit
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Consider the following difficult questions and thoroughly work on them! 1.Given statement A X C B X C where A B, determine whether the statement is true or false. 2.Given that set B and A have 4 and 3 elements respectively, how many subsets are there in the set (A X B)? 3.Define the lagrangian. 4.Give three features of modern control systems.

Can anybody help me with this please? 11. The measure of the seven angles in a nanagon measure 138. 154. 145. 132. 128. 147. and 130. It the two remaining angles are equal in measure. what is the measure of each angle? 12. Find the value of x. 13. Find the value of x
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Let A = 1 1 1 -2 6 An eigenvalue of A is A = 3. Find a basis for the corresponding eigenspace
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The radius of a circle is increasing at a rate of 1/2 ft/min. Find the rate of change of the area of the circle when the radius of the circle is 60 ft. Use differentials to approximate ^3 8.1 Find the second derivative of the function f(x) = 1/(2x-1) Find dy/dx by implicit differentiation. 3x 2 y-4xy+x-2y=6 Find y' and simplify. (a) y=(2x+1) 3 (x

i'm very confused about this topic, help me please \fDetermine Z VYX. Do not include units in your final answer! Z U 190\fAdrianna and Madi each calculated the measure of the external angles of a regular 40-sided polygon. Adrianna's Solution Madi's Solution In a regular polygon with n sides, the extarnal anagles Determine the interior angle, x,
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Thanks for helping QUESTION 4 Answer the following questions given that the mean weekly quiz score for a class is 72 with a standard deviation of 8 . a. Calculate the z-score that corresponds 70. QUESTION 5 Answer the following questions given that the mean weekly quiz score for a class is 72 with a standard deviation of 8. Calculate the z-score
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Somebody please come to my rescue.. 1.Determine whether C X (C X C) = (C X C) X C is true or false given that C = {1}. 2.Given sets A, B, C, and D, what is the equivalent of(A B) X (C D)? 3.What is the use of a synchro transmitter together with the control transformer? 4.The back emf equals an electric friction which serves which purpose in case

5) A student takes a 7 question multiple choice quiz with 4 choices for each question. If the student guesses at random on each question, what is the probability that the student gets exactly 3 questions correct? A) 0.043 B) 0.130 C) 0.346 D) 0.173

How do the following 3 elementary math standards build upon student understanding of number sense across kindergarten, first and second grade? Kindergarten: MGSEK.NBT.1 Compose and decompose numbers from 11 to 19 into ten ones and some further ones to understand that these numbers are composed of ten ones and one, two, three, four, five, six ,

A.Describe the major problems associated with exploiting inbound and outbound their logistics functions? -Recommend possible strategies to reduce the cost of the inbound and outbound logistics function?

Use the definition of the capital sigma notation ("summation notation" 3 of) to show that the equalities below hold. Do not use any properties ("basic results" ), unless you have shown how to obtain them from the definition. In other words, your task is to use the definition of the capital sigma notation to show that the facts below hold. [(atbri)
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Find the (d ) mean, ( D ) medianl, ( c) inlode, and (d) midrange or the data and then (e) answer the given question. Listed below are the amounts (dollars) it costs for marriage propo packages at different sports venues. Are there any outliers? 49 50 50 50 55 55 65 75 100 105 150 150 200 209 225 225 325 350 400 450 450 450 450 1500 2500 a. Find
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12. Filip is designing a can for a new vegetable product. The can should hold 750 mL of vegetables. To reduce waste, he wants the surface area of the can to be as small as possible. a) What dimensions should Filip use? b) What will the surface area be

In a cohort of 30,000 middle-aged women, the true prevalence of exposure to thoracic x-rays through screening or medical care was 15% in women who developed breast cancer and 7.5% in women who did not. There were a total of 3,000 incident cases of breast cancer during the follow-up period. Q1. Assuming perfect classification of exposure and

What is the principle of maximum entropy used for in statistical mechanics? Select one: a. To determine the probability distribution of a system's energy states b. To calculate the pressure of a gas c. To predict the movement of particles in a system d. To estimate the temperature of a system

if DJLEGS which segment corresponds to segment DL

Use the Venn Diagram Below to answer the question: 100 Teens were surveyed regarding the type of music they like. \f
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Please help me answer this. Kindly show your solutions. Thank you! Day 5: Graphing Quadratic Functions in Standard Form Standard(s): MGSE9-12.F.IF.7 Graph functions expressed algebraically and show key features of the graph both by hand and by using technology. The parent function of a function is the simplest form of a function. The parent
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The daily sales of a small retail store in Toronto for the last 365 days are normally distributed with a mean of $2,050, and a standard deviation of $300. From a sample of 49 days, what is the probability of having a sample mean more than $2,000?

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