Find x such that the matrix is equal to its own inverse. A = -2 -5

Q: proportional

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Q: 3. Prove the following two theorems about pairs of "twin primes," p and (Recall that "twin primes" a...

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Q: Solve the following linear system by Gauss elimination. -2b + 4c = 8 4a + 12b – 12c = -8 %3D 12a + 3...

A: To solve the following linear system by Gauss elimination -2b+4c=84a+12b-12c=-812a+34b-32c=-15If the...

Q: The vertical shift of f(x)=3(x+7} -5 moves 5 units down. O True O False

A: When a function y = f(x) is transformed into.  y= f(x) + a ,  Then the function f(x) is moved vertic...

Q: Find the x-intercept(s) of the function (*)--+5x-6. O 2 and 3 O 6 and 1 O -1 and 6. O 5/2 and 3

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Q: Find the general solution of the following differential equation. dx - 2스-6x 3D ?-4t dt d? The solut...

A: Solution:d2xdt2-2dxdt-6x=t2-4tD2-2D-6x=t2-4tAuxiliary equation m2-2m-6=0m=2±-22-4×1-62×1m=2±282=1±7C...

Q: Use a determinant to decide whether the matrix is singular or nonsingular. 1 2 2 3 1 O singular nons...

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Q: just inherited $30,000 tax free from your grandfather's estate. You currently have: no savings or re...

A: We have inherited $30,000 tax-free from a family estate. We should use this to payoff all our debt. ...

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: Suppose that a certain radioactive substance has a halflife of 24 years. If there are presently 6748...

A: Given query is to find the amount of substance after 50 years.

Q: Solve the system using any method. Зx- 10у %3D 4500 - 5x+ 2200 =y The system has no solution, {}. (0...

A: From the given equations: 3x-10y=4500   ...1-5x+2200=yor5x+y=2200  ....2

Q: Fill in the blanks below. Find the slope of the line passing through the points (9, 9) and (9, -2). ...

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Q: 7. 15a2 - 12a + a2 - 3a 8. 13t + 14t + t = 9. r+s+ rs +2s + rs + s=

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Q: (a) Solve the following: 1 (i) 2-6 8. (ii) log, (x+3) =1– log,(x–1)

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Q: x² +x-5 1- 2x-x (1) Find lim

A: The given limit,     limx→∞x2+x-51-2x-x3

Q: A table of values of a linear function is shown below. Find the output when the input is n. Type you...

A: First find the linear function then solve for n. 

Q: Solve the following system of equations. x+2y 10 -x-5y = -19

A: x+2y=10 → (1)-x-5y=-19 → (2)adding⇒ (1)+ (2) x+2y-x-5y=10-19-3y=-9y=3

Q: Suppose that y varies directly with x, and y= 16 when x=-2. (a) Write a direct variation equation th...

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Q: Evaluate / e*cos(x)dx using integration by parts-

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Q: Find a system of linear equations corresponding to the augmented matrix. 7 0 9 7 0 -5 3 -3 1 7 -9 8 ...

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Q: A company sells three types of speakers. Mag Speakers sell for $40 each. Venson Speakers sell for $2...

A: topic- equation in one variable

Q: (b) The population of the world in 2015 was 9.75 billion people and was growing at a rate of 1.25% p...

A: Given problem:- (b) The population of the world in 2015 was 9.75 billion people and was growing at a...

Q: Determine whether the following equation represents exponential growth or decay. y = -4(4)** x+3 Que...

A: We have to find if the equation represents exponential growth or decay and multiplier.

Q: Ay

A: Find your answer below 

Q: use the Laws of logarithma to expand the expression  a) log(x^2+9/(x^2+2)(x^3-4)^2

A: topic- logarithmic expressions log(a/b)=log a -log b log(ab)=log a +log b log (ab)=b log a  

Q: The circumference of a basketball rim is 56.6 inches. a. What is the diameter of the rim? 1.50 ft b....

A: Circumference of a basketball rim is 56.6 inches

Q: Find all minors and cofactors of the matrix. 23 4 1 (a) Find all minors of the matrix. M11 = M12 = M...

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Q: The axis of symmetry is the horizontal line at the vertex. O True O False

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Q: math.com/app/student/solve/15745683/ kphilips compositionoffransformationsRigidMotionsDiscovery Dete...

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Q: Find the present value: 1. Php 40,000 due in 2 years at 3% compounded monthly 2. Php 60,000 due in 3...

A: topic - compound interest

Q: Use a calculator. Round to the nearest tenth. Find tan−1(0.6745).

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Q: Find the determinant of the elementary matrix. 0 0 1 0 10 100

A: We have to find the determinant of the elementary matrix  001010100.

Q: Determine an equation for the pictured graph. Write your answer in factored form and assume the lead...

A: solution:-zeros of given curve are at x=0,  multiplicity=1x=3, multiplicity=2{assumed an even number...

Q: During the exponential growth phase of Salmonella Enerica bacteria in a certain environment, the pop...

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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: Use Laplace transforms to solve the differential equation de +4-+ 40 = sin (8t) dt d? given that 0 a...

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Q: Simplify. Your answer should contain only positive exponents with no fractional exponents in the den...

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

A: Topic = Algebra

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: (xs a 5. Jenel bought 10 apples and 12 pears for not more than P500.00, and 15 apples and 4. Suppose...

A: Let us consider  inequalities, x≤a and x≥a, a is any real number. Then solution of these inequalitie...

Q: Find the equation of tangent to the circle x + y = 25 at the point (3, –4) %3D 25 ix + O b. y = 7 O ...

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Q: strip of uniform width is to be cut off both sides and both ends of a sheet of paper that is 8in. by...

A: a strip of uniform width is to be cut off both sides and both ends of a sheet of paper that is 8in. ...

Q: use the Laws of Logarithma to evaluate the expression.  a) log3 (15) - log3 (35) + log3 (567) b) l...

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Q: A shopkeeper raised the maked price by 30%and offered a discount @ 40%.find the actual discount offe...

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Q: 3) (5v) 2.

A: The given expression,    5v32

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: Find, if possible, AB and BA. (If not possible, enter IMPOSSIBLE in any single cell.) 1 6 1 2 3 -1 1...

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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: 16. 12 25 10 20 15 16 10 15 6. 10 12 14 14. 18. xy 40 12 19. y=- 20. y =+2 21. The distance driven b...

A: While direct variation describes a linear relationship between two variables , inverse variation des...