Suppose that A is a fixed 2x2 matrix. Let U = {X ∈ M22 | AX = XA} Question: Prove that U is a subspace of M22.

Q: Auto sales in a country increased from 15.2 million in 2014 to 16.2 million in 2015. Find the percen...

A: Auto sales in a country in 2014 is15.2 million Auto sales in a country in 2015 is 16.2 million Diffe...

Q: ) What are the real and imaginary parts of (1+i)exp(-i/4)/W2? ) What are the real and imaginary part...

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Q: A construction crew is lengthening a road. Let y represent the total length of the road (in miles). ...

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Q: Describe the end behavior of ea 3) f(x) = x° – 2x' +x – 4 A) f(x) – A(x) B) f(x) → +o as x → -∞ - - ...

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Q: Find all values of d, if any, for which the given matrix is invertible. d 1 1 d 1 1 d Enter acceptab...

A: This question is related to matrix.

Q: 19. Solve. Kevin is rock climbing with his friends. Making sure that his harness is secure, he jumps...

A: Given query is to find the the time he was in air.

Q: An individual's adjusted gross income is the amount of income that is subject to federal income tax....

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Q: Determine the value(s) of k such that the system of linear equations has the indicated number of sol...

A: Let's find. 

Q: evaluate the expression (simplify your answer completely)  a)5^log5(7) b)4^log4(23) c) e^in(30)

A: Given query is to eveluate expression.

Q: Determine which property of determinants the equation illustrates. 1 2 0 o 0=0 5 6 -8 4 O If one row...

A: solution

Q: Find the Laplace transform of 6t - 5te+5. L{6t- 5te ¯' + 5} = %3D

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Q: W as d %3= 2. Write the area A as a function of I A = 3. Find the dimensions that produce the greate...

A: Given query is to find dimensions for the rectangle.

Q: ) The population of the world in 2015 was 9.75 billion people and was growing at a rate of 25% per y...

A: Given query is to find the expression for the population after t years.

Q: y = 2x+ 11 3x-2y = - 19

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Q: Let R be a relation on A = {5,6, 8, 9} and R = {(8,8), (5, 5), (6, 8), (5, 9), (9,9), (9,5), (6, 6)}...

A: Given

Q: What is the axis of symmetry of the following quadratic equation? y = 2x +12x+10

A: Given,            y=2x2+12x+10To find : The axis of symmetry of the quadratic function.We know that,...

Q: (2) The number of women in the workforce, based on data and projections from 1950 to 2050, can be mo...

A: Given query is to find the slope and the equation of the line  

Q: Evaluate the expression (simplify your answers completely) a) log10 (100) b) log8 (64) c) log9 (9...

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Q: Find the y coordinate of the vertex: f(x) =x +5x+3 О-13/4 О 5/2 O 13/4 O -5/2 to search

A: Given query is to find coordinates of vertex.

Q: Drei has 22 coins that consist of one peso and five pesos. The coins total forty-six pesos. How many...

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Q: What was Yvette's monthly payment?

A:   Balance after 36th payment = 6521.43 Balance after 37th payment = 6151.8 For monthly payments     ...

Q: 5.) 3x° + 4x - 2 + 4x – 2 - 2x – x + 6

A: Topic = Algebra

Q: In circle G with m \angle FGH= 42m∠FGH=42 and FG=6FG=6 units find area of sector FGH. Round to the n...

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Q: Use substitution to solve the system. x-3y = -8 -5x +4y = 7 y =|

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Q: Two angles are supplementary. One angle is 3° less than twice the other. Find the measures of the an...

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Q: Find each product. 2) (4p - 8)(2p² - 7p+ 1)

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Q: 7) Solve the inequality algebraically: x + 2 X – 4

A: We will do it by the following two cases when x>4 and for x<4.

Q: 2x+3 (1) Find the domain of the function_H(x)= 4r x -

A: Since you have asked multiple question, we will solve the first question for you as per our guide li...

Q: Find JA-11. Begin by finding A-1, and then evaluate its determinant. Verify your result by finding J...

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Q: Simplify each difference. 1) (5k³ + 8k? – 7k) – (2k – 2k²) - -

A: Given query is to simplify the expression.

Q: 8. The perimeter of a triangle is 55 centimeters. The longest side is 6 centimeters less than twice ...

A: The perimeter of a triangle is 55 centimeters. The longest side is 6 centimeters less than twice the...

Q: An arch of the bridge is semielliptical, and the major axis is horizontal. The arch is 30 feet wide ...

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Q: Simplify the following square root. Use absolute value notation when necessary. / 16x ... Select the...

A:   The given expression is 16x2.  

Q: The graph of the function y = f(x) is shown. Which input value corresponds to f(x)=4? Select all tha...

A: Follow the procedure given below.

Q: For each of the systems of equations that follow, use Gaussian elimination to obtain an equivalent s...

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Q: Find the general solution of the following differential equation: d²x +8-+ 9x = 0 xp d? dt The solut...

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Q: 20. A total of 800 pre-sale tickets and tickets at the gate were sold to the football city champions...

A: From the given information, x = the number of presale tickets sold. y = the number of tickets sold a...

Q: he average cost function is defined in economics as C¯(x)=C(x)x, where C is the cost of manufacturin...

A: Given:  C(x)=0.01x3−0.4x2+13x+400,

Q: The graph of f(x) = -x² - 5x+6 has the point (-8, 2) on it. O True O False

A: The function is given by fx = -x2-5x+6                                .........1 The point is  x, fx...

Q: 67. Consumption Expenditures In Keynesian macroeconomic theory, total consump- tion expenditure on g...

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Q: Find the general solution of the following differential equation: d?x dx +8– + 9x = 0 dr? dt

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Q: The diagram represents a right rectangular prism with dimensions labeled as algebraic expressions. 3...

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Q: Josh is driving to Miami. Let y represent his distance from Miaml (in miles). Let x represent the ti...

A: topic - speed and velocity 

Q: For the following problem, start with the graph of f(x) = log(2x). Then write a function, g(x), that...

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Q: 3. Refer to the given functions, fand g. f(x) =: x-4 g(x)=2x-8 a. Evaluate the function for the give...

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Q: What is the resultant of the displacement 6 miles North and 9 miles East? A. 11 miles, N 56º E If si...

A: solution:-displacement in the North disaction=6 milesdisplacement in the East disaction=9 milesResul...

Q: To be recognized as an MVP (Most Valuable Player in a sports game, a player needs to reach a certain...

A: Please see the below picture for detailed solution. 

Q: 28. -0.5x? + 3 = -5x – 2

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Q: Find the determinant of the matrix. 25 -5 4

A: Solving the problem by finding the determinant of the matrix.

Q: O GRAPHS, FUNCTIONS, AND SEOUENCES Finding the slope of horizontal and vertical lines Fill in the bl...

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