True or false 2x 4. in 72 4-2 X-2

Q: Anna and Bill share some money in the ratio 2: 5 Anna gets £A Bill gets £B Carn and Donna share…

A: Algebra Question

Q: Suppose a population has a mean of 100 and a standard deviation of 15. If repeated samples of size…

A: Given: n = 25 σ=15μ=100 The standard deviation of the sample means can be calculated as: σX=σn

Q: Q48. Three solid shapes A, B and C are similar. The surface area of shape A is 4 cm2 The surface…

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Q: 3. P(x) is a polynomial of degree 6 with real coefficients and zeros x= 2 and x = 6i . The zero x =…

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Q: The points A, B, C and D lie in order on a straight line. AB : BD = 1:5 AC: CD 7:11 Work out AB: BC:…

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Q: Use the Divergence Theorem to evaluate / F. ds where and S is the boundary of the sphere x² + y² +…

A: The Given function is , and the surface is  oriented by the outward normal.To Find: .

Q: White shapes and black shapes are used in a game. Some of the shapes are circles. All the other…

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Q: 4. Explain why pentagons cannot form a regular tessellation.

A: To explain why pentagons cannot form a regular tessellation. Firstly, we define what is a regular…

Q: (a) x, = a+bZ, +cZ,- • (b) x, = Z, cos(ct)+Z-1 sin(ct). (c) x, = Z,Z, •

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Q: Determine the derivative of the following function: a) f(x) = 2 sin x cos x f(x) = sin² a X

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Q: Solve. Express your answer using interval notation. Illustrate your solution on a number line. 5x +1…

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Q: (4) 10. Let H = {r+2x2, 1+ ka?, k + (2k + 3)r2} (a) For what value(s) of k is H linearly dependent?…

A: This belong to linear algebra.we check linear independence for the given vectors and find k so that…

Q: Year Simple Index 2010 2011 2012 2013 2014 2015 2016 2017 2018 Interpret the trend in the number of…

A: a. The formula to use the simple index: Simple Index = P1P0×100, here, P1= current year, P0= base…

Q: Q60, The diagram shows a trapezium. Disgran NOT aeeuwately drawn All the measurements are in…

A: Trapezium area

Q: Consider a rod of length 1 with a temperature distribution of u(x, t). For each problem, determine…

A: The complete solution is in given below

Q: dy (2x sin h -+3y cos h -) dx Зх cos h - 2 tan h 3 + ||

A: According to the trigonometric hyperbolic formula: tanh(x)=sinh(x)cosh(x)        ...(i) Distributive…

Q: total value of world exports (in billions of dollars) 7. This graph relates the total value of world…

A: a) Here, x –axis represents the number of years since 1950 and y-axis gives the total value of world…

Q: 1. Let f: R → R be a function defined by f(x) = x5¬* for every x E R. Sketch its function with…

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Q: Problem 3: Consider the second-order linear initial value problem: x²y" + cos(x) y = 0, y(1) = 0…

A: Existence and uniqueness theorem: Let p, q and g be continuous function on an open interval I such…

Q: A. Test each of the following equations for exactness and solve the equation. The equations that are…

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Q: Prove that for an NxN-dimensional orthogonal matrix A a) the determinant |A| = ±1 b) the sum of the…

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Q: Square E has sides of length e cm. Square F has sides of length f cm. The area of square E is 44%…

A: We will first find the areas of both the squares and then use the given information about the areas…

Q: 6. A theater has rows of seats that can seat a total of 144 people. The number of rows is 7 less…

A: Solution: Let the number of seats in each row = x so, number of rows = x-7 Total seats = 144

Q: Fill in the missing value so that the following table represents a probability distribution. x 35 45…

A: The probability distribution is given with missing value.

Q: Use the vectorized Euler method with h = 0.25 to find an approximation for the solution to the given…

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Q: An inverted pyramid is being filled with water at a constant rate of 55 cubic centimeters per…

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Q: Use the graph to determine whether the statement is true or false. lim f(x) exists. 2) x -> -3 A)…

A: As we know that, the limit limx→af(x) exists only when limx→a-f(x)=limx→a+f(x)

Q: The test statistic is tsTAT =- !! (Type an integer or a decimal. Round to two decimal places as…

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