What’s 20/5

Q: b) Solve (D2 – 3D + 2)y = x² + sin x where D = dx

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Q: a) The manager of a certain office supply store plans to increase the stock of calculators by a cert...

A: Introduction: Suppose, there is an initial quantity that is given. Also, the quantity is increased a...

Q: The cost of a soccer ball to Soccer Line Sports Goods is $45. They sell the same soccer ball for $63...

A: Mark up percentage is given by the equation; Mark up=selling price -costcost·100%  

Q: A. The series is absolutely convergent. C. The series converges, but is not absolutely convergent. D...

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Q: Please write if the set that is given is a semigroup or a monoid or a group of none of all with cons...

A: Given that H be a set with a binary operation * that assigns to each ordered pair (A, B) of elements...

Q: For each of the systems below, sketch the phase portrait. Make sure to include nullclines, equilibri...

A: Solution a: Two competing species Given system is x'=3x-x2-xyy'=5y-2y2-xy for equilibrium point 3x-x...

Q: Determine the answer to the question. Fifty-six is 70% of what number? Fifty-six is 70% of (Simplify...

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Q: Given that lim n²(x- 5)" converges by the Ratio test. If xEZ then the numerical n- 00 value of x is ...

A: Using Ratio test we have to find the value of X.

Q: Find the volume of the solid obtained by rotating the region bounded by the given curves about the s...

A: Volume of the bounded curve along x-axis. Using disk method

Q: A car rental agency rents 210 cars per day at a rate of 31 dollars per day. For each 1 dollar increa...

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Q: Carry out the first eight iterations of the solution of the following system of equations using the ...

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Q: Evaluate the iterated double integral: x+4 sin (y – 3y?) dy d.x x+4

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Q: Exercise 3 Use Lagrange multipliers to find the maximum and minimum of f (x, y,z)= e»= subject to th...

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Q: Which of the following is a direction vector for the plane with Cartesian equation 3x -2y - 5z + 3 =...

A: To find a direction vector for the given plane.

Q: Find the inverse of the matrix. 5 4 -3 -2

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Q: The population of a country has been increasing for several decades. In 1990, the population was abo...

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Q: 9.5 Given the equations 0.5x,-X-9.5 1.02r,-2,-18.8 (a) Solve graphically. (b) Compute the determinan...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: 2a + b – b = 9 3a + b + 2c = 23 %3D %3D 3a + b - 2c = 11 %3D

A: Solution

Q: 2. Find the coordinate vector of i (2,3) relative to the basis B {(1,0), (1, 1)} in vector space R².

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Q: Goal: To integrate f(x, y, z) : = x over the region B consisting of the points (x, y, z) such that •...

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Q: Consider the logistic differential equation = ry(1 – ) with r, K > 0. This DE has a stable equilibri...

A: We will form the iteration formula for the Euler's method, which will turn the continuous dynamic sy...

Q: (a) The manager of a certain office supply store plans to increase the stock of calculators by a cer...

A: Given Current supply of calculator is 170.

Q: Cell phones begin to lose (resale) value immediately after purchase. After one year, an iPhone can b...

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Q: Solve (using Simplex) the following linear programs: + 4y max s.t. 2x 2y > -1 - + 3y 0 + + 8

A: We can solve this question using simplex method  

Q: Prove this theorem Let a,b,c be an element of real numbers where a is not equal to zero. The equatio...

A: Use the provided information.

Q: Thus option (c) is correct. Let G be a group with G| = 96. Suppose H and K are subgroups of G with [...

A: for abelian group -: condition -: 1 closure ,2 associative , 3 -: identity ,  4 -: inverse ,5-: comm...

Q: The population of a country has been decreasing for several decades. In 1990, the population was abo...

A: The population has decreased to 151 million from 154 million.  So, that is a decrease of (154 - 151)...

Q: Find the volume of the solid by subtracting two volumes, the solid enclosed by the parabolic cylinde...

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Q: 6- find a,b and cif: bメy + Cy Lnz い十。 tan (x. a . t-2 x = zt? てー7 y =2e and z: 2t-2e Wy = 53.25, W7=...

A: For the solution follow the next steps.

Q: Prove that: ā x (B xẽ) = (ã č)b – (ā-B )ë |

A: We have to prove that a→×b→×c→=a→⋅c→b→−a→⋅b→c→. Let a→=a1i^+a2j^+a3k^ b→=b1i^+b2j^+b3k^ And c→=c1i^+...

Q: Find Z in (1-j5) 2= tanh cos lat5 express in lagarithm Form

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Q: Give the reason(s) for each step needed to show that the following argument is valid. [p^(p→q)^ (s v...

A: We have to write the reason for the steps.

Q: Let D be the region of the plane bounded by the curve C parameterized by f(t) = [3 cos(t) – cos(3t)]...

A: (a) D is the region of plane by the curve F(t)⇀=[3cost-cos3t]i⇀+sin3t-3sintj⇀,              (1) wher...

Q: H.W 1- Find Po, F, A (Seasonal - hai) for the cash flow shown below: 3 x 10 IQD 700,000 IQD 300,000 ...

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Q: Let {a,},{b,} be sequences of real numbers satisfying Ja,|s[b,| for all n 21. Then (a) Za, converges...

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Q: Evaluate: (i) | 4x +3/2x +1 dx 4x +3 (ii) | V2x +1 dx

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Q: Find all the local maxima, local minima, and saddle points of the function. Зx2 + 2у2 - 24х f(x.y) =...

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Q: A direction field for the differential equation y' = cos(y) – sin(x) is given %3D below. a) Sketch t...

A: Introduction: Every first-order ordinary differential equation has a slope field. The slope field is...

Q: an+1 Assume that | an | converges top = ÷. What can you say about the convergence of the given serie...

A: I have used ratio test to conclude the series is convergent. 

Q: Find Hhe alope ļr=sino elpe r=sin'o when 3

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Q: (a) Find the function for the quadratic model that gives the monthly profit in million dollars to an...

A: The profit from Round-Trip Airfare from Denver to Chicago is given below. Ticket price (dollars) ...

Q: . Solve the following initial value problems: (a) Given the differential equation y"+ 2y'-3y = e- wi...

A: As per our guidelines, we are supposed to solve only first subpart. Kindly repost other subpart as n...

Q: At least one of the answers above is NOT correct. Each of the following statements is an attempt to ...

A: Given are some series and we have to check the correctness of the statements.   First we check the i...

Q: Define a recurrence relation and all necessary initial conditions for the following problem: A strin...

A: As per the question we have to form a recurrence relation for the number of ways to make a string of...

Q: A Box with a Square base and an open Top must have a volume of 500 cm'. Find the dimensions of the B...

A: A box with a square base and an open top must have a volume of 500 cm. To find: The dimensions of th...

Q: [-7 12 4 3. Let A = -4 7 Find an invertible matrix S and a diagonal matrix D such that s-1AS = D.

A: The given matrix is A we have to find the diagonal matrix D by finding the eigen value and find the ...

Q: sa lifeguard and spots a drowning child 40 meters along the nild. April runs along the shore for a w...

A: In this question, the concept of maxima and minima is applied. Maxima and Minima The extrema of a fu...

Q: Use the circle graph to answer the question. A library classifies its DVDS into one of the categorie...

A: Introduction: The percentage plays an important role in the calculation. It helps to understand the ...

Q: The temperature at 6:00 a.m. is shown on the thermometer below. 30 20 - 10 -10- °C What is the tempe...

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Q: y" + y = e=t ; y(0) = y'(0) = 0

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