A tank contains 1,158 L of brine with 15kg of dissolved salt. Pure water enters the tank at a rate of 10L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate. How much salt is in the tank after 20 minutes?

Q: wing Signals (functions) * (t) = 1 + cos (6π t + √ )

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Q: Solve the initial-value problem. y" 16y=0 y(0) = 4 y'(0) = -4

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Q: a = 268 b = 752 e. Prove that if g = gcd(a, b) then gcd (2) = = 1

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Q: 3. Let S be the surface defined by the vector function R(u, v) = (2e" sinv, 2e" cosv, u²+u), where u…

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Q: 3. Let D = {(x, y) = R²:20 and y ≥ 0} and f: DR is given by f(x, y) = (x² + y²)e-(x+y), (a.) Find…

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Q: Use the Mean Value Theorem to prove that, for all x, y € IR, cos x - cos y ≤|x-y.

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Q: Find the F.T. of the fall wing Signals (functions): F(t)=1+cos(6πt +)

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Q: Find the critical numbers of the function f(x) = 12x5 - 75x4 - 100x³ - 5 and classify them. At x =…

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Q: α Ση = 2 3 V n 4 3 4n - 2 + 5

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Q: * (t) = 1 + cos (6πt + T ) 풍 |--100 ans: F(W) = 2π S(W)+T=² ~ [S(W-(T) + 8(w+Kx)}

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Q: E CD a +b+c+d=O (2) d 2 d=6 = 0 -26-c-2d=

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Q: solve y''-y'=xex  using undetermined coefficient. The characteristic equation will be r2-r=0

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Q: Decide if the following statements are TRUE or FALSE. Write a proof for the true ones and provide a…

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Q: 3x +2y-z = 3 +7z=9 + 5z = 12 (2x-3y

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Q: Fill in the missing entries of the matrix, assuming that the equation holds for all values of the…

A: Introduction: One of the operations that can be carried out on matrices in linear algebra is matrix…

Q: Find the F.T. of the fall wing Signals (functions): F(t)=1+cos(6πt +)

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Q: 2. Consider the function below and the point (x, y, z) shaded in red. Is fa positive, negative, or…

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Q: a. Show that the Bessel equation of order one-half x²y² + xy + (x² − ² ) y = y = 0, 4 can be reduced…

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Q: F(t)=1+cos(6πt +)

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Q: The function f(x,y) x+y x²+y² define it at the origin such that the f is continuous at the origin?…

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Q: (mod 11) 116 1. = Find all solutions 0 < r < 11 to 23r+r¹¹ = 2 Use the Euclidean Algorithm to find…

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Q: A DIGITAL CHIP MADE BY YOUR MICROELECTRONICS DIVISION, COUNTS CONTINUOUSLY IN THE SEQUENCE: IC 2048,…

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