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Mathematics Questions and Answers January 27, 2023

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I would like assistance with the following questions, please show all steps/work taken. thank you Name. 1. Prove the following trigonometric identity below or determine a counterexample to show that it is not an identity. [6 T] sin3xcosx = 3sinxcos3x - sin3xcosx 2. For the following equation, solve and check for x for 0 S x S 27. Round your final
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Two numbers sum to 10. What are the numbers if their product is a maximum?

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Three courses, which we call A, B, and C, need final examination rooms. Three rooms, X, Y, and Z, are available. Any course can be assigned to any room, but since the exams take place at the same time only one course can be put in each room. The value of placing each course in each room is given in the following table, and the total value is the

If S is the centroid of the triangle answer the following questions If SR =32, what is SU What is the measure of UR What is TS if SV =21 If TV =15x-9 and SV =21, what is x

Data Analysis Plan 1. Name the variables and the scales of measurement. 2. State your research question, null and alternate hypothesis
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Deb Cook is given the choice of two positions, one paying $2800 per month and the other paying $2200 per month plus a 5% commission on all sales made during the month. What amount must she sale in the month for the second position to be profitable. The second position is more profitable if Deb sells more than $_____________ per month.

AlsoList the coordinates of any points of inflection in the form (?,?), separated by commas. Enter 'N' if there are none. Points of inflection: Assignment 18 - Stewart Section 4.7 - MATH (6 points) Let f(x) = 2x3 - 6x2. Answer the following questions and use your answers to sketch the function. Enter 'N' if no such values exist. List the x-values
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help solve Use the graph to determine a. the function's domain; b. the function's range; c. the x-intercepts, if any; d. the y-intercept, if any; and e. the missing function values, indicated by question marks, below. f(-2)=? f(2)=? a. The domain is -. (Use interval notation.) b. The range is D. (Use interval notation.) c. Select the correct
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business budge included sales of $410,000 and fixed cost of $95,370. if the contribution margin for the business was $135,300, what are the sales needed to break even?

MBA assignment 102 Q. Explain the role of LPP in business decision making with suitable examples

Exercise 4. Create a list of time steps, from 0 to tfinal, in steps of h. Plot N as a function of t. What happens if you omit zip? Note: Use data from exercise 2
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6. Confirm that your answer to question 5 is correct using the Pythagorean Theorem instead of trig ratios. 3 points

Please assist me with this. DATA contains Part Quality data of three Suppliers. At =0.05, does Part Quality depend on supplier, or should the cheapest Supplier be chosen? Good Minor Defect Major Defect A 100 5 8 B 160 18 4 C 150 7 11 a None of the answers fit the data. b Pvalue of 0.039 rejects the assumption of independence of Part Quality and

Need help solving and explaining. The function x} = 12 + 44x - 384 models the daily prot, in dollars, a shop makes for selling donut combos, where x is the number of combos sold and x] is the amount of prot. Part A: Determine the vertex. What does this calculation mean in the context ofthe problem? (5 points] Part B: Determine the x-intercepts.
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Help solve The formula A = P e " describes the accumulated value, A, of a sum of money, P, the principal, after t years at annual percentage rate r (in decimal form) compounded continuously. Complete the table for a savings account subject to continuous compounding. Amount Invested Annual Interest Rate Accumulated Amount Time t in Years $7500 13%
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I am having trouble getting the answer 6)/The Elk Grove Bowling Alley offers a special. Each game costs $2.50, and shoe rental $2. You spend $14.50 total. How many games did you bowl
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Find the sum of 3Ek=0 k^2 ? a, 14, b0 12, c015, d) 13

Give all solutions of each nonlinear system of equations, including those nonreal complex components. -5xy+2=0 x-15y=5

What is the formula for finding the x of a triangle inside of a circle? P is x+10 and R is 2x-25

Hi.. im kinda stuck on this question, may i receive some assistance? Thankss -5 -4 -3 -2 -1 1 2 3 4 Clear All Draw: O Note: Be sure to include closed or open dots, but only at breaks in the graph. Get help: Video Video
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Solve the recurrence relation Sn = 8Sn-1 where So = 4. Closed form Sn Submit Question .Question 2 8 pts 91 Solve the recurrence relation Sn = 2Sn-1 + 15Sn-2 where So = 16 and S1 = 8. Closed form S, Submit
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Geometry > U.8 Volume of compound figures 258 What is the volume of this figure? 2 yd. 6 yd. |:| cubic yards
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i am confused 5. Suppose that f is an entire function with f (2) = f(z + 1) = f(z+i) for all z E C. Show that f (2) is a constant. Hint: Consider a unit square. Use Liouville's Theorem
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4. Proof by Contradiction Prove the following statement by contradiction: If (n - 3)4 is an odd integer, then n is an even integer
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4. (Polar coordinates) Let X and Y be jointly Gaussian random variables with mean vector # = (0,0) and covariance matrix E = (o !) Define the random variables R and O by the equations X = Rcos(0) and Y = Rsin(0) with R 2 0, 0 6 [0, 2). (a) Find the density of R
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A weight of 800 pounds is suspended from two cables as shown in the figure. What is the tension in the twocables? 30 50 800pounds A weight of 800 pounds is suspended from two cables attached to a horizontal bar. The acute angle between the cable on the left and the bar measures 30 degrees. The acute angle between the cable on the right and the bar

5 :160 6 sise' i) If we decided to be creative and said that it took three hours for one complete revolution of the minute hand, how much time would have passed if the minute hand moved 300 degrees

a collector of football trading cards paid $11 for a 1984 dan marino rookie card several years ago, if the card is now worth $100, what is the percent of in the card's value

Let f(x) = sinx and g(x) = cosx . Which of the following combined functions has the smallest domain? A. f+g B. f-g C. (f)(g) D. f/g

Thinking & Inquiry 8) Given f (x =k 1+x), find the value of k if f*-2)=9 9) Given f (x)=x-+3x-5 and g x =2x+1 , determine x when fx =g(x)
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What is the Golden Ratio? Tell two places you can find the Golden ratio in the world

Find three consecutive integers with a sum of -39 make an equation and solve each problem. Find the sum of three consecutive odd integers if the sum of the first two integers is equal to twenty-four less than four times the third integers. Mr. Jones drove 480 miles to a business meeting. His travel time to the meeting was 8 hours and from the

Show that the sequence {an } is a solution of the recurrence relation an = On-1+2an-2+2n-9 if a. an = 5(-1)" -n+2 b. an = 7.2" - n+ 2
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A community psychologist is studying how people consume news in her area. In particular, she is interested in news consumption among Americans with different political ideologies. She surveys 120 adults and asks about their political ideology (consistently conservative (n = 40), consistently liberal (n = 40), or mixed (n = 40)) and their main

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21. When portraying the power law on a log-log graph, the y-axis is the and the x-axis is the A. cumulative output, absolute improvement in unit costs B. absolute improvement in unit costs, cumulative output C. logarithm of the unit costs, logarithm of the cumulative output D. logarithm of the cumulative output, logarithm of the unit costs
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Bob, Tom, Mary, Bill, Tony, Amy, Candy, Sharon, and Becky are all the members of a club. In how many ways can a President and a Vice-President be chosen for the club if no person can hold both positions?

When ordering the Kids' Lunch at Burger Universe, the customer must choose a size, whether or not to have cheese, a type of bun, a side order, and a type of fruit drink. Here are the possibilities for each choice. Size Small, Medium, Large Cheese? With Cheese, Without Cheese Type of Bun Plain Bun, Sesame Seed Bun, Wheat Bun Side Order Fries, Onion

2. Joe is making a toy from a rectangular block of wood. He drills two holes, each diameter 1.4 cm, through the block. The block of wood has length 15 cm, widt Hint: Look back at YOUR TURN #1 33
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$ 1500 due in seven years at 5% effective rate, then the present value is

Consider the differential equation f ( x ) = ( x + 1 ) f ( x ) with f ( 0 ) = 1 . Solve for f ( 0.20 ) using Euler's approximation method with increment h = 0.01 for x [ 0 , 0.20 ] .

1.The following is an incomplete paragraph proving that the opposite angles of parallelogram ABCD are congruent: \f\f\f\f\f\f\f\f\f\f\f\f\f\f
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4. Given the function f (a ) = 2x+6 x245x 16. evaluate the function with the domain values {-3, -2, 0, 2, 3). What is the valid domain of this function? Show all work. B i U Font Family - AAA
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List all the rational numbers in the set {-7, -4/5, 0, 0.25, square root of 3, square root of 4, 22/7}

1) Is (-3,3) a solution to the system? Is (-2,-2) a solution to the system? Is (1,-3) a solution to the system? 2) Esmeralda invested $4800 in two stock plans. On one, the risky plan, she earned 6% annual interest, and on the other, a safer plan, she earned annual interest. If Esmeralda saw a return on her investment of $246 last year, how much

How many distinct congruence classes are there modulo x^2+x+1 in Z5[x]? Can you find polynomials u(x) and v(x) in Z5[x] for which 1=u(x)*(x+2)+v(x)*(x^2+x+1)? (Hint: long division gives (x^2+x+1)=(x+2)*(x-1)+3, and 3 is invertible in Z5)

In the figure below, DEC DCE, B F, andSegment DF Segment BD. Point C is the point of intersection betweensegment AGandSegment BD`while point E is the point of intersection betweensegmentAG and Segment DF. Prove ABC GFE. \f
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For the polar function, r = 2cos(3) Complete the polar coordinates in the form (r, theta) for two polar points below which fall on the graph of this polar function. Find exact values. A. (____, /3) B. (1, ___) C. Graph the polar function. Locate and label the polar points from parts A and B on the graph of your polar function.

Please give full steps in the answerrrrrr 5. (5 points) Graph the function h(x):2IXI1 using transformations of the parent function (you should identify parent function and clearly show or describe each transformation)
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In Stanley Kubrickassic satirical film, Doctor Strangelove, a nuclear-armed, American bomber is on its way to bomb the Soviet Union and cannot be recalled. Upon learning this, the Russian ambassador is forced to reveal to the Americans that the Soviets have built a doomsday machine-a machine that will automatically detonate enough nuclear weapons
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QUESTION #4 2 MARKS Given the graphs of f(x) and g(x), y 3) Determine value of g(f(0)). b) Determine the value of g(g(2))
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1. Prove that each of the incidence axioms are independent from the rest. 2. Give a model of incidence geometry in which parallel lines do not exist. 3. Consider the following model of incidence geometry: points are the elements of the set {A, B, C, D, E}, lines are the two element subsets, and incidence is set membership. (a) Show that for every

v Consider a triangle ABC like the one below. Suppose that a=45, b=44, and c= 19. (The figure is not drawn to scale.) Solve the triangle. Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth. If there is more than one solution, use the button labeled "or". No solution CINE] ' XS)? Find
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when graphing does graph of f open upward or downward ? is the graph wider narrower or the same width as the graph of y=x square \f
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6) Compute -3 2 (-2) 3 . Select one: A.-72 B.72 C.-36 D.36 7) Compute (-4y 2 ) 3 . Select one: A.-4y 5 B.-4y 6 C.-64y 6 D.64y 6 8) Compute (-5x 4 )(4x 5 ) Select one: A.-20x 9 B.-20x 20 C.-9x 9 D.-x 9 9) Compute 5x 3 (6x 2 - 2x + 3). Select one: A.11x 3 - 7x + 8 B.30x 3 -10x 2 + 15 C.30x 5 -10x 4 + 15x 3 D.30x 6 -10x 5 + 15x 4 10) Compute (x +

You are employed as a network engineer and have been asked to analyze a communication network to determine the current data rates and ensure that the links aren't at risk of "reaching capacity." In the following figure of the network, the sender is transmitting data at a total rate of 100+50 = 150 megabits per second (Mbps). The data is
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Step 4: Write Section 4 of the DAA. Begin by pasting SPSS output of the means plot and providing an interpretation. Also report the means and standard deviations of quiz3 for each level of section. Next, paste the SPSS ANOVA output and report the results of the F test, including: Degrees of freedom. F value. p value. Calculated effect size.
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O MX Lr BENI MC & Co & Ho & MC NE| M Inb | Ne | I fbl f Fac| ly col| 13 kin| 2 Kin ly ga:| > Be: | ly tic| of We | ly col * Ho ] syl + X -> C https://www.myopenmath.com/assess2/?cid=118064&aid=9033145#/full G 2hrs58mins X Submit Question . Question 8 5 pts ) 10 0 Details The balloon festival noted that if it's windy in town, only 9500 people will
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(x,4) is a solution to 2x4y . Find one possiblemissing coordinate so that the point becomes a solution to the given inequality.

2023 Coventry University Faculty Business and Law 280ACC Financial Reporting and Analysis Instructions to candidates Time allowed: 3 hours There are five questions on this exam paper. Answer four questions in total Two compulsory questions from Section A Two of the three questions from Section B The questions in Section A carry, in total, 70 marks

Let x be the average number of employees in a group health insurance plan, and let y be the average administrative cost as a percentage of claims. x 37154074 y 4035302520 (a) Make a scatter diagram of the data and visualize the line you think best fits the data. Flash Player version 10 or higher is required for this question. You canget Flash

Create a rational expression with a variable m that has non-permissible values of 3 and -1. PLEASE HELP ASAP.

Algebra help Complete the table shown to the right for the population growth model for 2007 Population Projected 2025 Population Projected Growth Rate, a certain country. (millions) (millions) k 48.6 35.1 k= (Round to four decimal places as needed.)
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Reflect on the concept of composite and inverse functions. What concepts (only the names) did you need to accommodate these concepts in your mind? What are the simplest composite and inverse functions you can imagine? In your day to day, is there any occurring fact that can be interpreted as composite and inverse functions? What strategy are you

1.Use polynomial division and the quadratic formula, if necessary, to identify the actual zeros. H ( x ) = 3x^3+ 28x^2 52x - 48 2.Find all solutions of the following polynomial equation. 4x 18x^2+ 8 9x^3= 0 3.Find all solutions of the following polynomial equation. 10x^2 x 10 + x^3= 0 4. Use the Rational Zero Theorem to list all of the potential

Mr. Mailerhas contributed $141.00 at the end of each monthinto an RRSP paying 3% per annum compounded annually 1)How much will Mr. Maillet have in the RRSP after 15 years? 2)How much of the above amount isinterest?

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1. The triangle illustrates the side view of a roof truss with edge-lengths of 11 ft and 23 ft. The angle between the edges is 55. What is the length of AC to the nearest foot? B 559 11 ft 23 ft C
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Aggregated inventory: Example Demand information (per week) Region1: Normal with mean 250, std dev. 90 Region 2: Normal with mean 180, std dev. 70 Configuration 1: Warehouses at location A and B When available, use inventory to satisfy customer orders Service level target of 97% Lead time factory-to-location is 1 week, H = $0.27 per unit per week

a (Optimistic Time Estimate) m (Most Likely Estimate) b (Pessimistic Time Estimate) Activit V A CO 13 W 9 6 8 D 9 11 F 5 7 12
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What minimum information is sufficient to determine congruency for each of the following? a) Two rectangles b) Two convex kites c) Two isosceles triangles Question content area bottom Part 1 a) What minimum information is sufficient to determine congruency for two rectangles? A. Two pairs of adjacent corresponding angles congruent B. Four pairs of

Which of the following would result in the largest growth of $1000 after one year? [r% = annual percentage rate] Group of answer choices r% compounded monthly r% compounded daily r% compounded semi annually r% compounded quarterly

Solve the system by graphing both lines on one coordinate system. 20x - 3y = -7 10x + 2y = 28

Help Solve the system by the method of your choice. X = 6y +9 - 3x + 18y = -27 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. There is exactly one solution. The solution set is . (Simplify your answer. Type an ordered pair.) O B. There are infinitely many solutions. The solution set is {
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the question says make an application of linear programming to a real life problem and address the following points: (1) Definition of the real life problem (2) Development of the linear program that will solve the problem (3) Assumptions and limitations of the study (4) Solution of the linear program

Show work on paper only please, it helps makes things a lot less complicated and easier for me to understand. (dot down same exact graph shown on what I sent below) \f
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Question 6 (1 -3 sentences + calculations per section) You sell owers at the local farmer's market. Originally you sell your owers for $8 a bunch and you sell 87 bunches of flowers per market. You trial selling your flowers for $12 each and notice you sell 63 bunches of flowers per market. a. Use the mid-point formula to calculate the % change in
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The experimental data collected during the study of the catalytic activity of an enzyme were analyzed graphically. The plot obtained is shown below. The values of the intercepts of the best straight line on the vertical and horizontal axes have also been provided x-intercept=1.9978, y-intercept=-0.468 a) Calculate the value of Vmax. Express your

The question is in the picture. 11. [-/2.76 Points] DETAILS AUFEXC4 7.6.040. MY NOTES ASK YOUR TEACHER Use a calculator. Round to the nearest tenth. Given cos 8 = 0.4619, find 0. 0 = 12. [-/2.66 Points] DETAILS AUFEXC4 7.5.002. MY NOTES ASK YOUR TEACHER Find the volume of the figure. For calculations involving it, give both the exact value and an
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Question 3(Multiple Choice Worth 1 points) (05.05 MC) Which of the following inequalities matches the graph? 10 -10 -8 -6 -4 -2 4 6 8 10 -6 O 3x - 2y 2 4 3x - 4y S 2 ( 3x - 2y s 4 O The correct inequality is not listed.(05.05 LC) Which correctly describes how the graph of the inequality -4y - x 2 7 is shaded? O Above the solid line O Below the
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question on combinatorics. Please do not comment incomplete question. \f
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Consider the following hypothesis test. H 0 : 50 H a : > 50 A sample of 60 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use = 0.05. (Round your answers to two decimal places.) (a) x =52.4 Find the value of the test statistic. State the

Pag 4. (20 points) A tank contains 100 gallons of solution in which 50 pounds is salt. Solution containing 0.3 lb/gal of salt is poured into the tank at a rate of 20 gal/min. The solution from the tank drains at the same rate 20 gal/min. Write an equation for the rate of change of the amount of salt A(t) and solve the IVP for A(t) O m 8 75 9 hp
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. Oxygen depletion by BOD exertion (de-oxygenation): dt =-Kalt = -Kaline kat where K. is the de-oxygenation rate coefficient (time-!) L is the ultimate BOD remaining at time t . Mass balance: der dt = Ky (Cs - Cr) -Ka Lt At t=0: L. = Lo and C, = Cro Solution: Cs - Cr= Ka Lo K - Ka [(e-Kat - e-Kri ) + (Cs - Crole -Kr# ] 55\f
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32) Shown below is a regression output. Measure Value Error Measures Bias (Mean Error) MAD (Mean Absolute Deviation) 32.9342 MSE (Mean Squared Error) 1358.706 Standard Error (denom=n-2-0=4) 45.1449 MAPE (Mean Absolute Percent Error) 4885 Regression line Dpndnt var, Y = 162.9211 -1.0329 * X1 Statistics Correlation coefficient -.3422 Coefficient of
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d) Find the volume of the hemispherical portion of the silo. Hint: Use the formula for the volume of a sphere, then divide it by 2. V = 5ft. Show your work below e) What is the total volume of the silo? Hint: Add the two volumes together V = 13ft. Show your work below
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Hi, could anyone please kindly help me with my assignment. Graph the image of the figure using the transformation given. Multiple Choice Choose only the best answer. 1) translation: 6 units left and 3 units down \f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\fIn the diagram line m is parallel to line n with a transversal line t. m n
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Consider the differential equation f'(x) = (x+1)f(x) & f(0)=1. What is the exact formula for f(x)? a, f(x) = e^(2) b, f(x) = e^(2x) c, f(x) = exp^{((x^2)/2)+x)} d, f(x) = exp^{x^2 + 2x}

need clear solution. 3. Suppose u is a unit vector in R". . This problem is about the n by n symmetric matrix H = I - 2out : (a) (5points) Show directly that H? = I. (b) (10 points) Show that H is an orthonormal matrix. (c) (10 points) One eigenvector of H is u itself. Find the corresponding eigenvalue. (d) (10 points) Is H diagonalizable? Why or
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Use the child support guideline calculator in Kentucky to figure out the following child support orders. If you need to make up any facts to come up with answer, please do so.Jane and John have three children: Jessica, Jordan and Jerry. Jane works at The Gap where she makes $10 an hour for 25 hours a week. Jerry has daycare expenses of $200 a

Which of the following shows a correct procedure to simplify 8-/796? 8-/796 = 8-/4.199 = 8-/4 = 32-/199 8-/796 = 8-/4.398 = 8-/4./398 = 16-/398 8-/796 = 8-4.199 = 8-/4./199 = 796-/4 8-/796 = 8-/4.199 = 8-/4.-/199 = 16-/199
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Determina el valor de x que satisface que: a. 5^x=4 b. 7^x =11 c. 4^x =-8 d. 3^2x-1 = 9 e. 5^x+3 =125 Conjunto B: Determina el valor de x que satisface que: a. log2 x=7 b. log5 x=4 c. log5 (x) =-3 d. logx 36=2 e. log6 (x^2 + 20)=2 a.Un capital de $100 se invierte a una tasa de inters del 12% anual. Cul ser la ganancia de la inversin al cabo de 3

Part 1) STRUCTURAL INTEGRITY (10 points) You are a middle school science teacher and you've been working with your students on a special project as part of a unit on structural engineering.You've asked your students to construct a platform at least 1" tall that could hold as much weight as possible before collapsing.But, of course there's a bit of

Find the vertical asymptotes of f (x) x2-4 = by taking limits x2-3x+2
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3. (14 points) Assume that the monetary base (B) is $600 billion, money supply is $3300 billion, the reserve deposit ratio (rr) is 0.1. 1) What is the currency deposit ratio (or)? (7 points)
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As the picture shows 3. For a fixed A (full-rank), b, c and vector de IR", let g(0) = min(c + 0d)]x Ax = (a) Prove g(0) is a piecewise-linear and concave function. (b) Suppose that g(0) is linear for 0 E [01, 02]. Is it true that there exists a unique optimal solution when 01
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