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february 2018
4

Mathematics Questions and Answers February 4, 2018

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C) 2330 D) 2340 Solve for x. Assume that lines which appear to be diameters are actual diameters. 580 -20x 990 5x + 4 O 550 350

Name the sampling method used. The students in Cobb Virtual Academy's Personal Fitness are sorted by student number, then every 10 person is interviewed about their course. O systematic sample O stratified random sample O cluster sample voluntary response

. How do you describe a continuous random variable? . lGive three examples of discrete random variable. . lGive three examples of continuous random variable. . What do you notice about the probability values of random variable in each probability distribution? . What is the sum of the probabilities of a random variable? . Why should the sum of the

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Use Cramer's rule to find the solution to the following system of linear equations. 5x + 5y=-4 3x + 7y=3 The determinant of the coefficient matrix is D = X X = = D D

how to check this? 4. 242+ 89 - 10 = 0 2 2 (92 + 44 - 5 ) = 0 2 y + 5 = 0 9- 1= 0 y = - 5 4 = 1

Thanks in advance The radioactive isotope of lead, Pb 209, decays at a rate proportional to the amount present at time t, A(t). Set up and solve an initial value problem for A(t). If the isotope has a half-life of 3.3 hours and if one gram is present initially, how long will it take for 90% of the lead to decay

Soshi works 16 1/7 hours per week and gets paid $16 per hour. How much does Soshi get paid each week. round your answer to 2 decimals places.

Calculate using long division b) (12x4 - 56x3 +59x2 +9x-18)+(2x+1)

Question / (5 points) x + 3, x5-1 f(x) - 3 4. -1 4 is decreasing. O a (-00, - 1) Ob (4, 00) O c [-1, 4] Od Does not exist

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Solve for B AND C ONLY. Thank you! 1. Write each number as a Hindu-Arabic number: a. b. LYYV

Serena notices that she has a lot of change in her purse. She has twice as many dimes as quarters, 7 more nickels than dimes, and 17 pennies. In all, she has $2.72. How many of each type of coin does she have

Find all the angles listed, and list all the lines that are secants, chords, and tangents. Geometry- Finding Angles Below is the diagram. Line AC is tangent to the circle. Assume the lines meet where it "looks" like me angles listed. Also list all the lines that are Secant 110 150'

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Solve for x. Each figure is a parallelogram. 9) R 10) U V 44 . U 20x -5 4x+8 S T 85 W T

The solid contains a cylinder and a hemisphere. Find the volume of the composite solid. (Round your answer to two decimal places.) m3 5.4 m 6 m Submit Answer View Previous Question Question 6

3. Cundo usamos el pasado de subjuntivo en espaol? Responses a. Igual que con el presente de subjuntivo, cuando queremos afirmar, pero respecto al pasado. a. Igual que con el presente de subjuntivo, cuando queremos afirmar, pero respecto al pasado. b. Igual que con el presente de subjuntivo, cuando queremos expresar duda, negacin y reacciones

The function f(x) = 90? 0 3" + 10 describes the percentage of information. f(x), that a particular person remembers x weeks after learning the information. 3. Substitute 0 for x and, without using a calculator, nd the percentage of information remembered at the moment it is rst learned. b. Substitute 1 for x and nd the percentage of information

Give an example of how you imagine you will use whole numbers and integers in your future career. Make sure to include a mathematical calculation in your example

Hi! With explanations and full solution please, I really want to learn this but I am having a hard time understanding. Topic: Simple and General Annuities ACTIVITY 1 Find the a) present value and b) amount of an ordinary annuity of Php 5,000 payable semi annually for 10 years of money is worth 9% compounded annually

r. 7. James bought 16 bolts at the hardware store for a total of $6.00. Some were 3-inch bolts that cost 36 cents each and the others were 4-inch bolts that cost 42 cents each. How many 3-inch bolts did 'S James buy

Suppose you have an observation as 190, the mean of these data is 150, and the standard deviation is 25, the Z-score is The probability that a Z- score has a higher absolute values greater than the Z-score you got is . (Please round all your results to 2 decimal places.)

Find an angle 0 that makes the statement true. sec (30 - 54) = csc (0 + 28) . . . Choose the correct answer below. O A. 540 O C. 90 O B. 30 OE. 36 OD. - 870 O G. 87 OF. 610 OH. 290

10. Mark has 895 acres of farmland. Eighty-eight percent of the farmland is planted in grain. Fifty-five percent of the grain is corn. a.) How many acres are in grain? b.) How many acres are in corn

6. Confidence Interval for Standard Deviation (10 pts.) Shown are the ages (in years) of the Presidents at the time of their deaths. 67 90 83 85 73 80 78 79 68 71 53 65 74 64 77 56 66 63 70 49 57 71 67 71 58 60 72 67 57 60 90 63 88 78 46 64 81 93 a. Do the data represent a population or a sample? b. Select a random sample of 12 ages and find the

JollyCo sells its widgets for $19.99. However, they need to make way for the newer model of widget, so they decide to discount the widgets by 40%. What is the reduced selling price? Group of answer choices $2.99 $12 $11.99 $8.00

Suppose that the quantity q of a certain brand of mountain bike sold each week depends on price according to the equation q=8004p. What is the total weekly revenue if a bike sells for $150? The answer is $30,000. I need to know the work for the problem.

In factored form, a quadratic function can be written as y = (5 - x) (x - 15). This parabola goes through the points (5, 0) and (15, 0). Use your knowledge of the symmetry of the parabola to find the vertex. Show all work.

Find the area of the shaded part of the figure if a = 4, b = 7 0 28 11 0 48 56 none of these

a Let A E Rm\" he a nonzero matrix. Determine whether an lohal solution to the least s uares l\" g '1] problem ismsnnlmyslli mean} (3) corresponds to an orthogonal projection of ya E R\" onto the range of A. {b} Suppose that A is a matrix such Ax g t} for an},r .'I.' 7E 0. Does it mean that the equation A: = 3; has a unique solution for any y '?
$a Let A E Rm\" he a nonzero matrix. Determine$

In the diagram, point E is on side AC of AABC, and point D is A on BE. If BC = n and DB = n - Vn for some positive integer n and ZABC = LACB = ZCED = LCDE. Determine all positive integers n with 1

3. Miss Kito's grandfather passed away and she attended the reading of the will. The estate was valued at 3 54,567,890. It was decided that - of the estate would be given to his children. Of the remainder, - would be used to create a scholarship for mathematics majors at Fishtopia University and the rest would be divided evenly among his three

Answer the questions below about the quadratic function. g(x) = 3x2 30x 76 Does the function have a minimum or maximum value? Minimum Maximum Where does the minimum or maximum value occur? x=D What is the function's minimum or maximum value? D

Fill in these problems Name : DEANNA BERGMAN Score : Teacher : WRIGHT Date : 9119122 Compound Shapes Find the area of each figure, round your answer to one decimal place if necessary. 1) 3) 6 in 2) 15 cm 15 cm 7 m 4 in cm 5 mi 6 m 12 m Area: Area: Area: 5 ) K- 4) 6) 12 m om 3 yo 10 yd 9 m 3 m 10 yd 12 m 15 m Area: Area: Area: 54 ft 8) 9) 54 ft 8

12-18 please help me ASAP 12. Your family room has a sliding-glass door. You want to buy an awning for the door that will be just long enough to keep the Sun out when it is at its highest point in the sky. The angle of elevation of the rays of the Sun at this point is 70, and the height of the door is 8 feet. Your sister claims you can determine

13. John applied 28-65-65 units of fertilizer per acre to 350 acres of soybeans. He used 46-0-0 urea at $218 per ton, 18-46-0 DAP at $260 per ton, and 0-0-60 muriate of potash at $170 per ton. a.) How many pounds per acre of bulk fertilizer did he apply? DAP Ib/acre Urea Ib/acre Potash Ib/acre Total bulk fertilize applied lb/acre b.) How many tons

please show all work in calculating the total area of the space. 1 unit = 6 feet picture below. then figure out cost of each flooring. these are the cost of wood flooring per square foot. wood $1.65 engineered wood $4.09 and solid wood $5.59. please show all work. thank you Geometry B Scenario: You are remodeling a kitchen, including the formal

The sawtooth wave f (t) is the 27t-periodic function defined on [-71, 7] by f (t) = t. The Fourier coefficients Cm for this function are (-1)" m 0 Cm 0 m = 0 1. Does the Fourier series for f (t) converge in L?? 2. Does the Fourier series for f (t) pass the Weierstrass M-test? 3. Find the Fourier coefficients Am, and Bm, for f (t). 4. Apply

Imin A rich person donated 15 hectares of rice field equally to 6 cooperative organizations in his province. How many hectares of rice field did each cooperative organization receive?BUSINESS MATHEMATICS 09/20/22 G11 ABM GUFSA (Given-Unknown-Formula-Solution-Answer) Method 1. A housewife bought 2 1/2 kgs. of cabbage, 1 3/4 kgs. of green beans and

Consider the following differential equation. 4x y" + 3xy' + 6x y = 0 (c) Find the series solution (x > 0) corresponding to the larger root. O y (x ) = x1/4 1 + ( - 1)6k M k!.9.17...(8k + 1) O 00 y (x ) = x1/3 1 + (- 1) 6k k k!.9.17...(4k + 1) O 00 y (x ) = x1/4 1 + (- 1)* 4k N X k = 1 k ! .7 .15...(4k + 1) O 00 y (x ) = x1/4 1 + ( - 1 ) * 6 k

Find the linear equation in slope intercept form that best models the following graph. ANONPIE X 4 6 8 10 12 14 16 18 20 22 24 26 (Round your answers to 2 decimal places) y = X +

1. determine the adjacency matrix of thedigraph given. VI 55. V2 VS VA\f\f\f\f

i. What is the probability that a st_den is in wefaw ? .fa cu tome, is in default what. the probability that he/she is a student? ii Runth appropriate stat: ti alte t to he whether they opoition ontudents who default is andfe ent that he p.oporto.. of ..on-students who are i.. default rod may be as. a to p. o. lue the p-value of the test iii What

Q1: Rewrite the equation in logarithmic form. a) 62 = 36 b) 16-1 = 1/16 Q2: Rewrite the equation in exponential a) log7 343 = 3 b) log3 1/3 = -1 Q3: Evaluate the logarithm. a) log3 3 = b) log1/2 1 = Q4: Describe the transformation of f represented by g. Then graph each function. a) f (x) = 2% , g(x) = 2*-3 + 1\fl} Q10: graph the functions and

Complete problems 1 - 5 for independent practice. When you are finished, check the solutions with your teacher. 1. Set A is the set of factors of 24, set B is the set of even natural numbers less than 25, and set C is the set of even natural numbers less than 13. The universal set U is the set of natural numbers less than 24. Use the sets given

List coordinates that, when plotted on a graph, will make up a polygon. Find the perimeter using the distance formula.

Question 1 (1 point) Listen Assume that the demand is estimated to be governed by the following relationship Ox = 1000 - 10 Px +0.01 Income - 5Py + 10 Pz Which of the following observations is correct? Goods X and Y are substitutes in consumption Goods X and Z are substitutes in consumption Goods Y and Z are substitutes in consumption None of the

3. Rewrite the powers with the same base to solve the equation below. Show your process work. 0.5% = 8x-4

Activity 5.5 Applications of Problem Solving Instructions only one member may pass me output 1. An agency charged Php 20,000 for a 3-day and 2-night tour in Macau, and Php 25,000 for the same tour with a side trip to Hongkong. Ten persons joined the trip, which enable them to collect Php 230,000. How many tourists made a side trip to Hongkong? 2.

5. Use resolution to prove that Bob is at the party based on the following axioms. Make sure to state which substitutions you are doing and make reference to each formula you are resolving just as seen in class example. 1. likes(x,y) => together(x,y) 2. at_party(x) and together(x,y) => at_party(y) 3. likes(alice,bob) 4. a_party(alice)

Directions: Find the sum for each of the following arithmetic series below. Use the summation formula to find the sums. 1. A series with six terms, the first term is five, and the common difference is five. 2. A series with six terms, the first term is nine and the common difference is twelve. 3. A series with five terms, the first term is 5.7 and

1. A small plant manufacturing riding mowers. The plant has fixed costs (leases, insurance, etc.) of $47,747 per day and variable costs (labor, materials, etc.) of $1,359 per mower produced. The mowers are sold for $2,096 each. The resulting cost and revenue equations are y= 47,747 + 1,359 x Cost equation y= 2,096 x Revenue equation where x is the

After completing the readings and video viewings for the week, write a 500-word minimum reflection on the issues involved in the classification of workers as independent contractors or employees. Your reflection must incorporate a discussion of your understanding of the underlying legal principles in the articles and videos included in the

Outline the steps you would follow to transfer a level using a spirit level, straight edge and chalk or nail

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You order three concert tickets, at $64.50 each and two tickets to a play, at $45.49 each. What is the total cost of these tickets? Select one: O a. $110.09 O b. $265.77 O c. $284.48 O d. $239.09 Previous page

Partial differential equations The topics related to the questions are:The heat equation on an interval in R Separation of variables Fourier seriesFourier transform 3.* Use the separation of variables to solve the following initial and boundary-value problem for the Laplace equation Uxx + Wyy = 0, 0 0 u(x, 0) = 1, lim u(x, y) =0, 0 0. 4* Let f E

G. For each function, state . the domain and range . the intercepts . the equations of any asymptotes, if present H. Examine the y-values as x increases and decreases. Which curve increases faster as you trace to the right? Which one decreases faster as you trace to the left? I. Delete the second and third functions (y = 5" and y = 10"), and

* Here "without loss of generality" means "you may have to exchange o and T." We use the notation "supp(o)" for the support of the cycle, the subset of S that it acts on nontrivially. The textbook doesn't use this, but it's useful. The order of a cycle a, ard(o), is [ supp(o) |. We can generalize "support" to arbitrary permutations but the size

Is it possible to draw a triangle with the following sides? I. 3, 4, 8 II. 8, 4, 4 a) O Yes, No b) O Yes, Yes c) ONo, Yes d) O No, No

Q1 2 Points True or False? Q1.1 1 Point If ) = 4, -4 are the eigenvalues of an 2 x 2 matrix A, then A must be invertible. O True O False Save Answer Q1.2 1 Point If x is an eigenvector of an n X n matrix A with eigenvalue ), then -3x is also an eigenvector of A, and it is has the same eigenvalue 1. O True O False Save Answer Q2 2 Points [4 3 2 Let

3. (12 pts) Determine which set forms a basis for RR.. (1)

Gina has borrowed 100 songs from her friend. She plans to download an equal number of songs on her music player each week for 5 weeks. The graph shows the number of songs left to download, y, for a certain number of weeks, x: Part A: What is the rate of change and initial value of the function represented by the graph, and what do they represent

#lockdown FLAG A child has collected 50 pennies, 40 nickels, 25 dimes, and 5 quarters. Which of the following charts accurately organizes the number of coins? Coin Number of coins penny nickel OO dime quarter O = 20 coins Coin Number of coins penny IIIIIIIIII BILLHIRE nickel IIIIIIIIII IIIIIIIII dime IIIIIIIIII IIII IIIIIIIIII quarter IIIII 1 - 5

Solve 5-8 Polynomials 5 1 point Answer the following questions regarding the polynomial: The behavior at the zero, x = 5 is... Wiggle f (2) = 3(2 - 5)4 (2+3)3 (2.2 - 1) O Bounce O Goes straight through 6 1 point The multiplicity at the zero, x = -3 is type your answer... (enter a numerical value) 7 1 point The behavior at the zero, x = -3 is...

Groom Cheeks 910 QUESTION S I have a process making bicycles Task Predecessor Time (Seconds) A None 45 B None 30 C A, B 45 D B 240 If my desired output rate is 30 bicycles per hour, what is the theretical minimum number of stations? 3 UESTION 6

35 1 point In AABC, D is the midpoint of AB and E is the midpoint of BC. If AC = 3x - 15 and DE = 6, what is the value of x? B D E A C OOOO Previous O

HOW TO MAKE A CLINOMETER : Working in pairs , cut out and tape or glue a protractor scale to an index card as shown. Attach the top edge overline XY along the top edge of the card. Tape on soda straw as shown, the string into the straw at X, pull it through the straw, and staple it to the card near Y. weight to the other end of the string so that

Just making sure my answers are right State the end behavior of the function f(x) = 7x' + 3x4 - 101'- 10x- + x As x -> - 0%, f(x) -7 OO Preview As 3 -> 00. f(x) > OC Preview OO

"Let the expert who really understands it, do it. Don't take it in C.H.E.G.G please. I saw it there, i don;t like it" 6-9. Assume that the parallel lines ( and I' have a common perpendicu lar PQ. For any point X on l, let X' be the foot of the perpendicu lar from X to l'. Prove that as X recedes endlessly from P on l, the segment XX' increases

Can you please help me with this, I want to know the solution of the question Messenger X 5 exam-2.pdf X ward Tuong thuat truc tiep Manch 4 X G gg dich - Tim tren Google X 2 Diem tin bong da sang 30/10: MI x + V X -> C O File | C:/UNSW/Math%201A&1B/exam-2.pdf (PDF) Calculus: Con... M Gmail YouTube Maps PQ Why Compulsory V... Translate 93

Please show work so I can learn :) -/0.25 Points] DETAILS LARCOLALG11 1.3.019. Write an algebraic expression for the verbal description. The perimeter of a rectangle with a width x and a length that is four times the width Need Help? Read It

Name: Date : Hartford Public Schools Geo Data. Unit 4 .Investigation 3 and 4 Assessment G.SRT.C.6,G.SRT.C.7, G.SRT.C.8 7. (G.SRT.C.7) Which expression is always equivalent to sin x when 0

The CDC estimates that individuals who smoke are 15 to 30 times more likely to develop lung cancer than individuals who never smoke. If the lifetime risk of developing lung cancer for nonsmokers is about 1.3%, what is the upper limit of the estimated risk for smokers according to the CDC? Answer: __________% Explain your answer.

Los grupos informales estan formados por sus integrantes y consisten en grupos de amistad relativamente permanentes y grupos de interes. Verdadero C Falso

Identify JS rounded to the nearest tenth. \f
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8 This A is nearly symmetric. But its eigenvectors are far from orthogonal: 10-15 A = 0 1 +10-15 has eigenvectors and [?] What is the angle between the eigenvectors

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Question 5 function or not and question 4 New Tab y= 13x - 6 Not a function Function Question 5 Decide whether the relation defines a function. 10 -5 HHHHHHH+ 5

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help please 10. Let X be a separable space, Y a space, and . . Yo continuous function from X onto Y. Prove that Y is separable

580 A 35 390 Solve for

On July 1 of each year, $1,000 is invested in an account. Complete the DATA step below to determine the value of the account after 10 years if a constant interest rate of 5% is expected. data work.invest; do count=1 to 10; *Add missing lines of code. Missing lines can be more than one; end; run; in sas

A circle with circumference 20 has an arc with a 72 degree central angle. What is the length of the arc?

For f(x) = x ^ 3 - 2x ^ 2 - 7x - 4 List PRZ " then findallzeros

Un cilindro circular recto de 9 m de radio est verticalmente sumergido en agua cuya densidad es 590 kgm3kgm3. Si se empuja hacia abajo y se suelta tiene un periodo de vibracin de 0,9 segundo. Hallar el peso del cilindro.

The sensitivity curves in cones measure the amount of hich light ___________ by each type of cone Question 4

Hallar el area de la figura. (Todos los lados se unen en angulos rectos.) 3 yd 2 yd 4 yd 4 yd 7 yd

3. In this question we consider the derivation of the 0:1 statistic for model selection discussed in lectures. Consider the general linear model and write i";- fcr the tted value at 33,,- and MSE(}) for its mean squared error. Recall that if the error variance (1'2 is known, then an estimate of 3's. .a-s. . 2 .-I'-. J _ z.- MSEa) _ awe.) + 2.31::

Please provide proof in paragraph form Problem 3. (25 points) Define Euclid's GCD algorithm as follows: def Euclid (a, b) : while b > 0: , b = b, axb return a (If you are unfamiliar with Python, this means that we will start with some inputs (a, b) and will replace (a, b) with (b, r), where r is the remainder of a when divided by b. We will do so

Identify the quadratic function graphed below. -2 0 O fx) - -(x+4)' Ofx) =-x + 4x Of[x) - x - 4x Ofx) =-x-4x

Let ?= [12512] and ?? = [26]. Find ??1 and use it to solve ?? = ?? . \f

The area of the base of the cone is81square millimeters, and the area of the lateral surface is135square millimeters.Find theradius r andslant heightof the cone. r = mm l = mm

3. Using up to date peer reviewed literature, analyse the influence that the media and these ideologies have on consumer participation, empowerment and the consumer voice

Verify that your worksheet matches the example in the text. Check your worksheet by changing the discount rate to 10%. The net present value should now be between $56,400 and $56,535depending on the precision of the calculations. If you do not get an answer in this range, find the errors in your worksheet and correct them. If you did not use

Can you help me solve it? a.) Find the output. Show your work and fill in the tables. . Evaluate the equation, f(x) = -3x2 - 8, with input 4. X f (xx) 4 16 f (4 ) = - 3. 4#-8 f 1 4 ) = - 3 . 8 - 8 - 7 841. 16 Evaluate the equation, g() = = (x +4) -5, with input 0. X g (x) g (0 ) = $10+ 4)-5 - 3 14)-5 0 Evaluate the equation, h(x) = (5)2*, when x =

You should provide an implementation of any library predicates used. You may not make use of extra-logical built-in predicates such as findAll. Minor syntactic errors will not be penalised. A future is a mechanism to store the eventual result of a computation done in another thread. The idea is that the computation is run asynchronously and the

I need help with this question. What is the vertex of the function y = -x2-2x + 1? State if it is a minimum or a maximum. Select one: O a. (-1, 2), maximum O b. (-1, -2), maximum O c. None of these O d. (-1, -2), minimum O e. (-1, 2), minimum

Objects: Electronic health records (EHRs) in a nationwide service. Policy: The owner (patient) may read from its own EHR. A qualified and employed doctor may read and write the EHR of a patient registered with him/her. [8 marks] 5 [TURN OVER CST.2005.14.7 10 Compiler Construction (a) Explain the differences (illustrating each with a small program)

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