Show that in a group of people there must be two individuals that have the same number of friends within the group.

Q: Give an example (any representation is allowed) of a function from Z to Z that is a) one-to-one but…

A: (a). For one-to-one and not onto:      Suppose that be function defined from

Q: CAN YOU EXPLAIN IN  DETAIL PLEASE how to find particular solution I have trouble undertsanding how…

A: The detailed answer is shown below Explanation:I hope this helps.Thankyou Please do rate

Q: Solve for r to two decimal places. 2=e²r (Do not round until the final answer. Then round to the…

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Q: An engineer in consulting company to do a 25 -years investment. The engineer planned to invest…

A: An engineer in consulting company to do a years investment.The engineer planned to invest  in the…

Q: Matrix Transform (Post Italicizing N Sequence) For this activity, think of each of the matrices…

A: Image Attached.Explanation:A function is invertible if and only if it is one to one and on to.All…

Q: Use Cramer's Rule to solve (if possible) the system of linear equations. (If not possible, enter…

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Q: Determine if the following improper integral is convergent ог I'si sin(1/2) dr divergent...

A: Given .We need to determine whether it is convergent or divergent.Let 1x=u⇒−1x2dx=du.Also, as x→0,…

Q: 3. For each n€ Z+ let fn : [0, 1] → R, fn(x) = 1/(1+x"). (a) Prove that (fn) converges uniformly.…

A: We have solved both the parts. I hope it will help you.Explanation:### Part (a): Prove that (fn​)…

Q: Please answer this question and show all the steps

A: Given .We can simplify it as given,.

Q: 1. Solve the following homogenous differential equations using two methods: 1) x(t) = et…

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Q: An angle with an initial ray pointing in the 3-o'clock direction measures radians (where 0 ≤ 0 < 2).…

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Q: Can you use the information provided to answer question 2 please.

A: summery nahi likya direct answer likhaExplanation:

Q: Problem 4. Suppose the vector space V = P2, given the following set of basis B={1+², t-312, 1+t-t2}.…

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Q: PLS HELP ASAP ON ALL GIVEN QUESTIONS PLS, PLS HELP ON ALL 5 PARTS

A: (a)C = 300 + 10n(b)R  = n(50-n)(c)n2−40n+300&lt;0(d)n should be from 11 to 29(e)n=20 (maximum profit…

Q: Select the option that contains the area of the region that is enclosed with the functions Y1 = 6-x,…

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Q: The data in Q. 5 were generated using the following function. Use the polynomial constructed in Q.5…

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Q: The quadrature rule [“ f(x)dx = w₁ f(x1) + w2f(x2) + E (2) -h can be made exact for all cubic…

A: Given Information:The quadrature rule is given as .Objective:Write the four equations satisfied by…

Q: Answer no. 19 only

A: 2/s( 1+e^-s/s)Explanation:Step 1:--Step 2: Step 3: Step 4:

Q: find an explicit solution and check) - Зу I = *y1/3

A: We have to solve the differential equation explicitly and check the solution :  -  = x4 y 1/3 .

Q: (a) Determine if the transformation defined by each of the following standard matrices is injective…

A: 1) NOT INJECTIVE/SURJECTIVE2)BIJECTIVE 3) NOT INJECTIVE/ SURJECTIVE4) SURJECTIVE Explanation:Step 1:…

Q: Question 1: (a) Consider the n-point Newton-Cotes quadrature rule n [^ f(x)dx ~ Σ wif(xi). i=1 (1)…

A: The solutions have been attached below.Explanation:Approach to solving the question: Detailed…

Q: Use a software program or a graphing utility with matrix capabilities and Cramer's Rule to solve (if…

A:

Q: Using c++

A: Required Function :  double mean(int n, double *xarr) { double sum = 0.0; // Calculate the…

Q: Find y as a function of a if y(0) = 5, y(0) = 17, y"(0) = 5, y"(0) = 8. y(x) = y(4) — 6y" + 9y" =…

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Q: Scotiabank Arena hosts NBA games and has eighty-three (83) rows on the east side. The first row…

A: For answer, please refer belowExplanation:To determine the maximum number of persons the east side…

Q: Find the directional derivative of f(x, y) = sin(x+2y) at the point (-3, 5) in the direction = π/6.…

A: Given function: We have to find the directional derivative for given function at the point  in the…

Q: chain rule quetion attached thanks for help awlehpawh whoewa hawp

A: The objective of the question is to identify the correct expression for the derivative of a…

Q: *16. Recall that N(s; e) = {x:|x − s| 0 there exists M€ N such that n≥M implies that s, € N(s; e).…

A: Question is solved below Explanation:

Q: 4 + 62°F Partly cloudy Assign 1+2 Jan 25 ASSIGN 3 Febl Exam Feb 5 Feb 12-13 Mardie gras Exam 3 Feb.…

A: The objective of this question is to calculate the present value of an investment that will be worth…

Q: (a) Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 6.00 x 10-5…

A: The objective of this question is to calculate the tension in a vertical and horizontal strand of…

Q: Find an equation of the plane passing through the given points. (1, −2, 19), (5, 0, 13), (4, −3,…

A: The objective of this question is to find the equation of a plane that passes through three given…

Q: The area of the region that is inside the cardioid r = the circle r8 is 8(1 sin) and inside -

A: We have plotted the cardioid and the circle on the same graph below. Blue coloured curve is that of…

Q: Round to the nearest tenth of a year. years

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Q: Solving A = Pet for P, we obtain P=Ae" which is the present value of the amount A due in t years if…

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Q: Question 34 Prove: If is an associative operation on S, then a* * * (b* (cd)) = a* ((b*c) * d) = (a…

A: Note: As per our guidelines, we can answer the first question. Please repost the remaining…

Q: 3. Tesla estimates that its profit expressed in thousands of dollars each month is given by the…

A: part ABy examining the cost function and the provided profit expression, it is possible to calculate…

Q: Verify Stokes' Theorem for the given vector field and surface, oriented with an upward - pointing…

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Q: Find f by solving the initial-value problem. f(x) = 9 f'(x) = ㄨˊ f(9) = 58

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Q: Determine all minors and cofactors of -1 5 5 87 A = 9 1 3 -5 7 8

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Q: The present value (the value in today's dollars) of an investment at time t (in the future) is given…

A: We have to find the time t at which the present value PV(t) is maximized, we need to find the…

Q: To test the series n5 - 7 for convergence one n4 +3 n=1 could use the Limit Comparison Test,…

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Q: Can you sketch a graph of the function h(m)

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Q: Description Find the values of the variables using Gaus Jacobi and Gaus Seidel 2x - 9y + 3z = -46.99…

A: a) Gauss Jacobi Method7th…

Q: Use method of characteristics to find the solution of { - 6xux(x, y)-3uy(x, y) = 0, y > 0, −∞ < x <…

A: To solve the partial differential equation (PDE) 6xux−3uy=0 using the Charcateristic equation…

Q: Explain for each of the three locations what decisions would be made using a Clark-Groves mechanism,…

A: The government is considering installing traffic lights at three distinct places, designated as 1,…

Q: Apply Green's Theorem §a f(x, y)dx + g(x, y)dy = ffe g(x,y) дх af (x,y) dxdy ду to obtain the result…

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Q: Determine if the following graphs A) a are bipartite. b f e a B) d f 0 e d

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Q: The solution of the differential equation subject to the initial conditions y(0) = 0 and y'(0) = −7…

A: The answer isy(x)=−xsin(2x)−7xcos(2x)Explanation:Step 1:

Q: the ninth and fifteenth terms of a geometric progression are 81 and 6561 respectively   Determine…

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Q: Show the general solution of the system of equation as a Real Valued Function 1100 X=21-2X 3211

A: Images attached.Explanation: