Use the Gauss-Jordan method to find A-1, if it exists. A-[41] = 2

Q: express 5cosθ + 12sin θ as r sin (θ+α) determine the values of α and θ

A: Express 5cosθ+12sinθ as rsinθ+α.

Q: a.A = 6-j8, B=8-j6 bA=6+j8, B=8-j6 c. A = 6-j8, B=-8+j6 C.

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Q: Find the sum, if it exists. HE 4 22/4/2 Does not exist 0|10 -1 45

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Q: Your broker has suggested that you diversify your investments by splitting your portfolio among…

A: Your broker has suggested that you diversify your investments by splitting your portfolio among…

Q: Express the angle in radian measure. 60° O 6 3

A: To convert the given degree angle into radians measure.

Q: 5. Which points are on the graph of the equation -3x + 6y + 5 = −7? Select all that apply. A. (-3,…

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Q: 4. Create a system of equations that has infinite solutions. Then prove that it has no solutions…

A: Create a system of equations that has infinite solutions

Q: 1. m/P 45° R 2. m2F 300 82 #T35H POW 3. mZG 80° 80%

A: According to baartleny guidelines we supposed to do the first three sub parts of multiple sub parts…

Q: State whether the linear model shown in the graph is exact or approximate. Then find the equation of…

A: NOTE: Refresh your page if you can't see any equations. . as we can see from the graph, all points…

Q: I 500 175 1234 ‒‒‒‒‒‒‒‒‒‒ P 2000 1030 7321 5,000 R 2% 10% 1.5% 8% T ½ yrs. 7 mos. 128 days 2 yrs.

A: Simple interest is a basic type of interest that is calculated on the principal amount of a loan or…

Q: Find the power series expansion ax for f(x) + g(x), given the expansions for f(x) and g(x). n=0 80…

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Q: 10 -8 -6 -4 -2 10/ 8 6 4 2- y-intercept -2 - 8 -10- What is the slope of the graph? Leave your…

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Q: Identify the factor pairs of ac you could use to rewrite b to factor the trinomial by grouping 15x²…

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Q: The average score of 100 students taking a statistics final was 75 with a standard deviation of 7.…

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Q: In this magic square, which uses all the integers from 7 to 15, each of the rows, columns and the wo…

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Q: alculate the upper sums Un and lower sums Ln, on a regular partition of the intervals, for the…

A: Upper sum can be obtained by putting the upper limit in the expression obtained by integration Lower…

Q: As Leo drives to Toronto, the distance he is from Toronto (in miles) is given by d(t) = 500 − 50t…

A: In Toronto trip, at any time t in hours the distance left to reach Toronto is dt = 500-50t…

Q: 10- +2 4 6 8 6 8 Fr 2 x ++ 6 8 10. 0 X O

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Q: 6. Which factorization can be used to reveal the zeros of the function f(n) = −12n² - 11n +15? A.…

A: Given Quadratic Equation f( n ) = -12n2 - 11n + 15

Q: You spin a spinner that has 8 equal-sized sections numbered 1 to 8 like the one pictured below.…

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Q: Boris bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $400…

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Q: Given that a > 0, b>0 and y > 0, and that 2 + log₁ b +3log y = 2log (a²y). Express y in terms of a…

A: 2+logab+3logay=2logaa2y

Q: . Consider the following claim: If the point (2+ d, y) is on the graph of the function f(x) = x(x -…

A: The point (2+ d, y) is on the graph of the function f(x) = x(x - 4), then prove the point (2-d, y)…

Q: The total economic impact of premature death and disability from cancer worldwide[1] was $895…

A: We have to calculate the total economic impact of cancer as a percentage of the world’s GDP.

Q: The graph of a function h is given. -6-5-4-3-2 domain range - = y 6 5 4 3 2 1 TH -2 (a) Find h(-2),…

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Q: Find A-C given that A= 1 4 4 3 3 -4 (73) and C= If an operation is not defined, state the reason.…

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Q: A bacteria culture initially contains 3000 bacteria and doubles every half hour. Find the size of…

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Q: Find the recursive formula for the following sequence: -2, -4, -9, -23, -64,

A: -2,-4,-9,-23,-64,.....

Q: 14. The value of y varies jointly with x and z. If y = 7 when z = 196 and x = 2, find the value of y…

A: We need to find value of y.

Q: In 1978, the amount of earnings required to earn one Social Security credit was $250.  Forty-one…

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Q: Evaluate the line integral ſ(2x − y + 3)dx + (5y + 3x – 5)dy, for which the path C C traverses…

A: We need to solve integral.

Q: What is the annual percentage yield (APY ) for money invested at an annual rate of 2.95% compounded…

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Q: Shen wants to build a fence for his rectangular garden. He has 440 meters of fencing. Suppose that a…

A: Let's the given side length of x and y for garden .

Q: Suppose that a trigonometric f(x) = 3 — 4 sin(2x + k) where k is a constant such that -90° ≤ k ≤…

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Q: The graph of fis translated a whole number of units horizontally and vertically to obta The function…

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Q: A pottery studio gives two-hour and four-hour ceramics classes for $46 an hour. If the studio has…

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Q: Graph the parabola. y=x²+2x+3 Plot five points on the parabola: the vertex, two points to the left…

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Q: Perform the following the operation and put in simplest form: 3 5x 4y

A: 5x4y3

Q: For the real-valued functions g(x)=x²+1 and h(x)=(x-6, find the composition g h and specify its…

A: gx=x2+1     hx=x-6    (g°h)(x)=g(h(x)=g(x-6)=(x-6)2+1=x-6+1=x-5

Q: ell phone Plan A costs $70 per month and comes with a free $500 phone. Cell phone Plan B costs $50…

A: This question of optimise problem  Cell phone Plan A costs $70 per month and comes with a free $500…

Q: In the triangle below, compute a give your answer in degrees, rounded to the nearest tenth Y 10 11 a…

A: We are required to find: The value of α in the given figure.

Q: The factory sales of cell phones from 2000 to 2005 can be modeled by the function S = 116(2) 0.018t…

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Q: 13. § + ? + — + √5 + + - + 120 + 136 =

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Q: Sketch the graph of the polynomial function. Make sure your graph shows all intercepts and exhibits…

A: The given polynomial function Px=x-62x+12. We have to sketch the graph of the function.

Q: Calculate N 1 - N 0 0 0 the following fifth-order determinants N - N 0 0 2- N 3N 0 0 2N 0 0 0 - N 0…

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Q: Suppose that $19,422 is invested at an interest rate of 5.3% per year, compounded continuously. a)…

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Q: Solve the equation. 2 4 25x61x +36=0

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Q: V. In each number, you are given two statements. The first is a conditional statement, and the…

A: Statement            if p, then qConverse             if q, then pInverse                 if not p,…

Q: Task 1 The sum S₁, of a finite arithmetic series of n terms is Sn = (a₁ + an) where a₁ is the first…

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Q: The following equation models the spread of an infectious disease: P(t) = 32e-027t where P is the…

A: P(t)=32e0.027t where P in the number of people infected in thousands and t is the number of days…