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Mathematics Questions and Answers October 13, 2021

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Apply the operators /i d dx and d 2 /dx2 to the following functions, and verify whether these functions are an eigenfunction or not: a) e^(iax) b) e^(ax^2) c) Z/x d) cos x sin x In this case, a is a real constant and Z is the core charge

5. How many words does each algorithm print? Explain your answers. Again, the indenting is important. (a) for ie {1, 2, ...,9} do for je {1, 2, ...,6} do " for ke {1, 2,3} do L L print "Cubs Win" (b) for ie {1, 2, ...,9} do for je {1, 2, ...,6} do print "Sox Win" for ke (1, 2,3} do L print "Sox Win"
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Solve the right triangle ABC, with Cequals90degrees. Aequals58.0degrees, cequals15.3 ft Question content area bottom Part 1 In the right triangle ABC, with Cequals90degrees, Bequals 32degrees. (Simplify your answer. Type an integer or a decimal.) Part 2 The length of side a is approximately enter your response here ft

3. There are 53 nurses in the local health unit of Sariaya, Quezon
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Problem 609 (Algorithmic) The Ace Manufacturing Company has orders for three similar products: Product Order (Units) A 1900 B 550 C 130D Three machines are available For the manufacturing operations. all three machines can produce all the products at the same production rate. Howeverf due to varying defect percentages of each product on each
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Simplify. Assume that all variables are nonzero. left parenthesis StartFraction 2 x Superscript 0 Baseline z cubed Over y squared EndFraction right parenthesis Superscript negative 3

Please provide Justified solution asap to get a upvote. Mention correct option Choose the graph that represents the given function without using a graphing utility Aj -10 -8 6 -2 - 10 -8 6 4 -3 C) D) 10 86721 10 8 6 4 -2 146810 1
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Qu hace el proceso de refinamiento en un proyecto de diseo? Reduce el coste del proyecto. Da forma al proyecto eliminando elementos no esenciales. Agiliza el tiempo de finalizacin

An investment advisor believes that there is a 28% chance of making money by investing in a specific stock. If the stock makes money, then there is a 43% chance that among those making money, they would also get a dividend. Find the probability that the investor makes money and receive a dividend.

The radiation unit of dose equivalent used for stating the TEDE amount is the:* A. RBE or Q.F.B. Rem or SievertC. Rad or GrayD. Roentgen or C/Kg

To test for the equality of two population means at the 5% level, independent samples gave the following summary measures: Sample 1 : n = 21, mean = 10, sd = 4 Sample 2 : n = 21, mean = 12, sd = 6 The degree of freedom of the test statistics would be ___ .

unit 2 linear functions homework 4 solving systems of equations by graphing and substition

Question 1) A continuous time signal x(t) has the Laplace transform: 2s +1 X (S) = $2 + 65 + 8 Determine the Laplace transform of the following signals: a) v(t) = x(t-4) u(t-4) b) v(t) = dx(t) (Use the initial value theorem to find x(0)) dt c) v(t) = e-3t x(2t)
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please solve this Sophia calculated her 2015 taxable income to be $121,350. Using the 2015 federal income tax brackets and rates, how much federal income tax should she report? Taxable Income (Income tax brackets) Tax Rates $44 701 or less 15% of taxable income less than or equal to $44,701, plus $44 701 to $89, 401 22% of taxable income greater
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Consider a series RC circuit as in the figure below for which R = 2.00 MQ, C = 3.00 UF, and & = 27.0 V. S R E (a) Find the time constant of the circuit. S (b) What is the maximum charge on the capacitor after the switch is thrown closed? HC (c) Find the current in the resistor 10.0 s after the switch is closed. HA Need Help? Read It Watch It
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find the vector that has the same direction as 9 6 -2 but has the same length as 3

\f2. A catapult designed as shown in the diagram below is launched so that it swings through an angle that puts its arrn 511 from the pivot and Bit above level ground. Use cosine to calculate the angle that the catapult needs to swing through. 12 Knovd-edge
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solve this one ASAP Use mathematical induction to prove that 1 - 2 + 2" - 2" + . . . + (-1)"2" = 1 (2"+)(-1)" + 1)for all integers n 2 0. Structure your answer as follows: 1. Show that the basis step is true. 2. State the inductive hypothesis. 3. Prove the inductive step, identifying where you use the inductive hypothesis
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Solve the right triangle. . . . Question content area top right Part 1 44.0895 degrees 54.853 cm A B C c a Question content area bottom Part 1 Find the measure of A. Aequals 45.9105degrees (Round to four decimal places as needed.) Part 2 The length of side aequals enter your response here cm and of side cequals enter your response here cm

Using the assumptions listed below, and your forecasted sales from question 4 above, prepare the projected Income Statement, Balance Sheet and Cash Flow Statement (using the indirect method) for 2007 and 2008 (state and explain any other assumptions you make). a. Future cost of goods sold will be 85% of sales revenue. b. Other operating expenses
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Due to keyboard limitations the following symbols will be used for the provided operation: > horse shoe (conditional statement]; ^ dot (conjunction); = (biconditional); v wedge (disjunctive statement). For a given statement, let A, B, C and D be TRUE and X, Y, and Z be FALSE. ~{~[(B > ~C) v (Y ^ ~Z)] ^ [(~B v X) > (A v ~Y)]} Which is the correct

Jul. 17 Received cash from cash clients for fees earned during: the period July 1e17, $14,100. 18 Paid cash for supplies, $1 ,400. 20 Provided services on account for the period July 1320, $12,200. 24 Received cash from cash clients for fees earned for the period July 1724, $11,500. 26 Received cash from clients on account, $116,300. 27 Paid
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Suppose you take a random sample of 20 students who are using a new algebra text which features group work and unit summaries and a second sample of 30 students who are using a more traditional text. You compare student achievement on the state test given to all students at the end of the course. Test whether new textbook improves student

Last year's annual profit (corrected to the nearest million dollars) of a random sample of small and medium size companies of industrial sector A is given below: Annual Profit ($ million) Number of companies -4-0 5 1-4 24 5-9 38 10-19 23 20-39 7 40-59 3 (b) Estimate, from the frequency distribution table, the proportion of companies having last

Jergens Clinic invested in 12 new iPads ($1,000 each) to help check in patients faster in the clinic. Each iPad is expected to save $5 per check in. How many patients need to be checked in via iPad for Jergens Clinic break even

Please show work Graphing Linear Equations Write the equation of each line with the given properties, in slope intercept form. 13. A line that passes through (7,4) and (6,3) 10-9 -8 -7 -6 -5 -4 -3 -2 -10.11 2 3 4 5 6 7 8 9 15 x
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#4 from this document is incorrect... 4.) If we wanted to use the GSS variable HEALTH (self-assessment of health: Excellent, Good, Fair, or Poor) as an independent variable in a regression model, how many independent variables would we have to create? a.) None, this variable is perfectly fine as is to use in a regression equation. b.) 2 c.) 3 d.) 4

1. Sam Long anticipates he will need approximately $225,000 in 15 years to cover his 3-year-old daughter's college bills for a 4-year degree. How much would he have to invest today at an interest rate of 8 percent compounded semiannually?

Please show me each step. Thank you so much for spending your time. \f1. Calculate .9 2 f(x )dx 2. Fill the graph with a color for the area of f(x )dx
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Solve following question Given are the following two coordinates: A(1 , 4, 3) and 3(3, 5, 1) and the force F 2 4i + 7k _ What is the angle in radians between vector 0A and vector to 3 decimal places? _ Determine the work of force F when it moves a particle from A to B; When is the scalar product between two vectors negative? Determine al as m a =
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Question 1U Assume that the average full time college student in the US. requires a total of $l,5 per year to cover the costs of tutition, hooks and fees with a standard deviation of $1,3. [fit] full time students are randomlyr sampled in the U.S., what is the probability that their total annual costs for
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explain in two or more sentences how combining radicals by addition and subtraction is similar to combining monomial expressions by addition and subtraction. use examples

Real World Applications: Similar Triangles https://www.ck12.org/assessment/ul/?test/detail/practice/geometry/indirect-Measurement-Applications-Practice&isPageView=true&collectionHandle=geometry&col- lectionCreatorID=3&conceptCollectionHandle=geometry-:-indirect-measurement-applications&ep=https://www.ck12.org/c/geometry/indirect-
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Please show work Graphing Linear Equations 3. Graph by creating an x & y table. Then plot the points and graph the line. 2y + X = 8 10-9 -8 -7 -6 -5 -4 -3 -2 -10 1 2 3 4 5 6 7 8 9 10 x 4. Graph using x and y intercepts. -2x + 3y = 6 10-9 -8 -7 -6 -5 -4 -3 -2 -10 _1 2 3 4 5 6 7 8 9 15 x
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Let H 1 H2 denote the matrix 2ncrm (ie, the matrix norm induced by the vector 2ncrm). (a) Let U e 613\"" be a unitary matrix. Show that ||U||2 = 1. (b) Show that multiplication by unitary matrices does not change the matrix 2norm of a square matrix. That is, for any A 6 CW" and unitary U. V 6 film\
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3. We also saw in the lectures that three vectors. that lie in the same have dimenaipnal plane must he linearly.r dependent. This tells us that a. b and r: are linearly dependent in the falluwing diagram: What are the values of q: and as that allow us to write a : e11: . gee? Put your answer in the following cadet-leek
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Suppose that there are 10 dimes, 15 nickels and 8 quarters in a bag and one coin is drawn from the bag. What is the expected value of the draw in dollars? (Round to the nearest cent.)

Use the average daily balance method to compute the finance charge on the 1 Month: April (30 days): previous month's balance: $3?0 credit card account for the previous month. The starting balance and _ transactions on the account for the month of April are given to the right. Assume ll April 7 Charged $52 for a 0031 an annual interest rate of 13%.
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Let U ={a,h,e,d,e,f,12,13,111.15.16.17}, X={a,b,e,13,14,15}, and '1'\" ={b,d,f,12,14,1}_ List The members nf The set K'n'r\
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I would like help on these 2 because I don't seem to figure how to solve these questions. TCA Sell Simple Interest & Financial Rourers Directions: You must show work for all problems. Answers must be in the blanks provided. If more room is needed for explanations, you may type beyond the blanks provided Providing all answers in red will carn ?
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9) Define g:R- R by g x= - 2 3 x+4 . Prove that g (x) is injective
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No need for explanation, answer only Question 38 of 50 At what year does the value of the car equal $14,500? Value of Sarah's Car 25,000 . 24,000 . 23,500 20,000 19,700 17,500 15,000 14,500 Value in 10,000 10,008 5,000 5.0 00 2001 2002 2003 2004 2005 2006 2007 Year Select the correct response. O A. 2004 B. 2005 C. 2006 D. 2007Question 39 of 50
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Part 1 Table 1 Required Selection 1 Selection 2 Selection 3 Selection 4 Company Name Apple Inc. (AAPL) Microsoft Corporation (MSFT) Coca-Cola Consolidated, Inc. (COKE) Johnson & Johnson (JNJ) Company Symbol (Ticker) AAPL MSFT COKE JNJ Website Visited https://finance.yahoo.com https://finance.yahoo.com https://finance.yahoo.com

6. (24 pts) Define the relation R on Z by: Va, b EZ, aRb 21(a + 3b). (a) Prove that R is an equivalence relation. (b) Describe all distinct equivalence classes of R. (Write them formally as sets.)
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5. Prove by mathematical induction that the sum of the first n consecutive odd integers is a square. That is, prove for any n E N, 1 + 3 + 5 + ... + (2n -1) = n
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Simplify. Assume that all variables are nonzero. left parenthesis 8 Superscript negative 5 Baseline right parenthesis left parenthesis 2 Superscript 14 Baseline right parenthesis

5 Which of the following events would cause the crust to subside? Which would cause the crust to rebound? Write rebound or subside next to each event. (a) the formation of a large delta (b) the erosion of a mountain range (c) the formation of a large lake behind a dam (d) the accumulation of sediments in a large sea (e) the building of a skyscraper
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Add the numbers below. Express the result in polar form. 1.39 83.39 + 1.51/217.69 What is the sum? (Simplify your answers. Round to one decimal place as needed. Use angle measures greater than or equal to 0 and less than 360.)
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content area top Part 1 An engineer wants to know if producing metal bars using a new experimental treatment rather than the conventional treatment makes a difference in the tensile strength of the bars (the ability to resist tearing when pulled lengthwise). At alphaequals0.05, answer parts (a) through (e). Assume the population variances are

What is the name of the second batch of stock made with the first set of bones that are rewetted? Question content area bottom Part 1 A. Concasse B. Matignon C. Remouillage D. Mirepoix E. Allumette

Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution. Two percent of hair dryers produced in a certain plant are defective. Estimate the probability that of10,000 randomly selected hairdryers, at least 219 are defective. Round to four decimal places.

The mean of a normally distributed group of weekly incomes of a large group of executives is $1,000 and the standard deviation is $100. What is the z-score for an income of $1,200?

1. The table shows the results of recent study regarding gender of individuals and their selected field of study. Field of Study Male Femal Total e Medicine 80 40 120 Business 60 20 80 Engineering 160 40 200 Total 300 100 400 We want to determine if the selected field of study is independent of gender. a. Compute the test statistic. b. Using the
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A family standing on the ground is watching a jet approach. The jet is approaching at a rate of 12 miles? per minute, at an altitude of 8 miles. a) at what speed (in radians per minute), is the angle of altitude changing when the straight line distance from the family to the jet is 36 miles? b) at what rate is the straight line distance between

a golf ball is hit off the ground at an angle of (pi/6) and travel 400 feet. how long was the ball in the air?

1 How does the "2" affect the graph of f (x) = -9 . sin (2x + 7)-4 O The graph will complete 2 In full cycles in a normal 2x time 2 O The graph will shift 2 units left O The graph will shift 2 units to the right O The graph will complete 2 full cycles in a normal 2x time O none of the aboveA sinusoidal function has its first minimum at (5, 10) and
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determine the interval(s) on which the vector-valued function r(t) =(1/(e^t))I + (1-t)^(1/2)j+(1/t)k is continuous. explain your answer

Accepting the premises: 1. () 2. 3. 4. Conclude.

Question.1 (6+4=10) a) A Tv set was priced at TK 28,000 that includes 15% VAT. Find the actual price of the TV. A store bought the item, made 50% mark up on the actual price and added 15% VAT to it and offered for sale. Find the new selling price of the TV. b) TK 72,000 was invested in an account that pays 8% interest compounded quarterly. Find
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Using a math language like LaTeX, solve the question below. You MUST use a math language for this problem. Thank you! \f
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Quick Start Company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of a Quick Start battery is normally distributed, with a mean of 45.2 months and a standard deviation of 7.3 months. (a) If Quick Start guarantees a full refund on any battery that fails within the 36-month period after

4. Factor the matrix A = ON H as A = QR, where Q is an orthogonal matrix and R is upper triangular
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Dosage calculation what is the pump setting ? 8. Order: amphotericin B (Fungizone) 50 mg in 500 mL D5W over 6 hours IV Supply: infusion pump, amphotericin B (Fungizone) 50 mg in 500 mL D5W What is the pump setting? 9. Order: vasopressin (Pitressin) 18 units/hour IV Supply: infusion pump, vasopressin (Pitressin) 200 units in 500 mL D5W What is the
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GI and JL are parallel lines. G F H K M Select all the pairs of alternate interior angles. LGHK and LJKM LGHK and LLKM LLKH and ZGHK LIHF and LGHF
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EG and HJ are parallel lines. H LE K D G Select all the pairs of adjacent angles. ZEFI and ZHIK LEFI and LEFD LJIK and ZJIF LIK and ZGFI
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Describe the level of measurement used in Brown's study. Generate two alternative strategies for measurement that would occur at different levels
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Area of a triangle/ parallelogram Two sides of a parallelogram are 710 feet and 530 feet. The measure of the angle between these sides is 137. Find the area of the parallelogram to the nearest square foot
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Brown did not report any validity information for his measures of participant perceptions. Assess the face validity of his measures
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Community Hospital compiled the discharge statistics shown in the following July Discharge Statistics table. Notice that the last three days are missing. Prepare a spreadsheet in Excel and enter the information from the July discharge statistics table. Then, use the discharge lists for July 29, 30, and 31 to enter the missing data into the

Hiya please can you help me understand this question because I keep getting part A wrong and I don't know what I'm doing wrong. If possible please can you do part B as well. Thank you The diagram shows the penalty area in a football pitch. All measurements are given in yards. O R 10 10 P 18 12 2006 P2 08 The penalty spot is marked at point P. QR
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Part B Suppose we apply the Flajolet-Martin algorithm with a single hash function /, to estimate the number of different elements in this stream. In particular, h(i) is simply the number i written as a 10-bit binary number (e.g., h(1) = 0000000001, /(2) = 0000000010 etc.). What estimate does / give as the number of distinct elements in this
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Q11. If 40% of boys opted for maths and 60% of girls opted for maths, then what is the probability that maths is chosen if half of the class's population is girls? Ans 0.5 Q12. A problem is given to 5 students P, Q, R, S, T. If the probability of solving the problemindividually is 1/2, 1/3, 2/3, 1/5, 1/6 respectively, then find the probability

Cortamos opens in a dialog el pan ahora? S, ahora. Preparamos la ensalada ahora? No, todava. Servimos la cena ahora? No, todava. Llamamos a tu pap ahora? S, ahora. Hacemos el caf ahora? No, todava. Traemos las sillas ahora? S, ahora

I need help understanding which statistical test to use? NP's conducted a pilot study to examine the efficacy of smoking cessation programs. A convenience sample of of 9 heavy smokers were assigned to 2 different programs for 2 months, 5 for weekly individual counseling and 4 for weekly group counseling. If the NP wants to compare the difference

Sketch the graphs for each of the following equations. a. y=8/3x +8 b. y=1 c. y=2x+4

Simplify. Assume that variable y is nonzero. StartFraction 1 Over y Superscript negative 2 EndFraction

I only need help solving #b 13. Consider the graph of y = f(x) provided below. Sketch the graph of each function listed. [4 points per part] y = f(x) a. y = f(x+2) +1 b. y = =f(x) -4
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In a class of400 students, Carveta's rank was80 .Find her percentile rank.

3. Verify that A'A is symmetric if 1 2 0 A = -3 4 5
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Calculate the producers' surplus for the supply equation at the indicated unit price p . HINT [See Example 2.] (Round your answer to the nearest cent.) p = 10 + 2 q ; p =26

(d) Recall that the coordinate vector of 7 relative to an (ordered) orthonormal basis ) = {ul, u2, . .., Un} is U . U1 J . U2 [uly = J . Un Using this fact, find the change of basis matrix PBA'3. (1+3+2+4=10 points) Let N be the subspace of R4 consisting of vectors (3:, y, z, w) satisfying 2:133yz+w=0. (a) Consider the sets Jl = {(1,0,0, 2), (0,
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Question 3 (20pts) R1 in2 R2 R5 R6 Vb {R1} (R2) {R5} {RB] out (vbj U2 X VDON- -VDDP VDDNA -VDDP R3 in1 Va {R3) + R4 (R4) (Va} 65 = Ry x 1 + Rx RI R3 + Ry For the circuit shown, assume the OPAMP is ideal. Write the equation for the node voltage at X, due to Va only Va x /s +Ry ) xx (1+Re ) Write the equation for the node voltage at X, due to V,
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9. (20 points) This question has two parts. (a) (10 points) Suppose p is a prime number. Prove that Q(p2/5) = Q(p1/5). (b) (10 points) Using part (a) or otherwise, prove that 3:5 p2 is irreducible over
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Describe the following characteristics of the following polynomial. Leave zeroes as reduced fractions. f(x)=7x^6+112x^5441x^4 a. Degree = b. Leading Coefficient = c. End behaviours: As x-,f(x)-,() and as x,f(x),() As x-,f(x)-,() and as x,f(x)-,()- As x-,f(x)--,()- and as x,f(x)-,()- As x-,f(x)--,()- and as x,f(x),() d. Zeroes = +

Calculate the power delivered to each resistor in the circuit shown in the figure below. (Let R, = 2.00 0, R, = 2.00 0, and V = 24.0 V.) R W R2 2 21.00 0 4.00 0 26.44 resistor R X If you replace all four resistors with an equivalent resistance, would this affect the current through the battery? How is the current through the battery related to the
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3. Suppose each card below has a number on one side and a letter on the other. Which of these cards must be turned over, logically speaking, if you want to know whether the statement below is true or false? If there is a vowel on one side, there is an even number on the other side. 7 h 4. (a) Convert the base-8 number 32156 into base-10. (b)
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What is the samples of the power+ tests? I've been trying to gather the data but it keeps saying it is wrong \fPower+, produces AA batteries used in remote-controlled toy ca rs. The mean life of these batteries follows the normal probability distribution with a mean of 20 hours and a standard deviation of 5 hours. As a part of its testing program,
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1. (3+3+2+2=10 points) Let W = Span {(1, 2, -1, 0), (0, -1, 1, 1), (1, 0, 1, 2) } CRA. (a) Find a basis for W. (b) Find a basis for WI. (c) Find an orthonormal basis for W. (d) Find an orthonormal basis for WI
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Solve the following equation for x, and check for extraneous solutions. Show all steps \f
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This question involves data from which nothing interesting can be learned about frequent itemsets, because there are no sets of items that are correlated. Suppose the items are numbered 1 to 10, and each basket is constructed by including item i with probability 1/i, each decision being made independently of all other decisions. That is, all the

Help me find the last answer which the red one, question d). The answer that I have key in was wrong, that is why it shows red instead of green. Can you show me the step with an explaination, thank youuu. The air in a 41 cubic metre kitchen is initially clean, but when Amanda burns her toast while making breakfast, smoke is mixed with the room's
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"A roulette wheel has 18 red numbers, 18 black numbers, and 2 green numbers. So, the proportion of red numbers is 0.474, the proportion of black numbers is 0.474, and the proportion of green numbers is 0.052. The table below gives the frequencies with which the ball landed on each color in 200 trials. Do the results suggest that the wheel is out
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Graph the following function. y equals negative 5 plus 3 sine left parenthesis x plus StartFraction pi Over 4 EndFraction right parenthesis Question content area bottom left Part 1 Use the graphing tool to graph the function

Question 9 In the California Community Colleges an undergraduate student survey was taken that compares the class of the student to their opinion on whether or not they favor or oppose same sex marriages. The following data is a summary of the survey taken by questioning 500 undergraduate students. Freshman Sophomore Junior Senior Totals Favor 85
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Number these reactions from one to five in order from first to occur to last to occur in the core of a high mass star Silicone fusion to iron Neon fusion to magnesium Carbon fusion to neon Helium fusion to carbon Hydrogen fusion to helium

2. For a p-type silicon as shown in Fig. 2, and there is a continuous uniform electron current flowing from the left to the right. Answer the following questions. (a) If electron mobility remains constant with temperature, how does the diffusivity, Dn, change with temperature? Any why? (6%) (b) Explain what govern the minority lifetime ( In) in a
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Consider the following numbers. Which of these numbers are natural numbers? StartSet three fifths comma 0 comma 6 comma negative 107 comma StartRoot 7 EndRoot comma StartRoot 9 EndRoot EndSet Question content area bottom Part 1 The natural numbers are StartSet nothing EndSet

The asbestos level of a talc deposit is 0.79 ppb. How many micrograms of asbestos would be found in 10g of this talc?

I tried to convert the degree to radians, but it still says its wrong. Question: Use a linear approximation to estimatesin58( sin(58 degree))

a. Find the Fourier series for f(x)=x with period from -pi to pi (same for all parts). b. Integrate the answer from part a. to find a Fourier series for f(x)=x 2 c. Alternately find the Fourier series for f(x)=x 2 by finding the appropriate coefficients directly for this function. d. Compare your answers from b. and c.

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