Use the formula A-1 = 15 WN d ad-bc-c -b a to find the inverse of the 2 x 2 matrix, if possible. (If an answer does not exist, enter DNE in any cell of the matrix.) 4.)

Q: In each part of Exercises 1-4, determine whether the matrix is orthogonal, and if so find it…

A: Solution is given below:

Q: Suppose you owe $12,000 on a credit card that carries an APR of 24%. Because the balance is so high,…

A:

Q: Given the triangle ABC, if side b is 33 ft., side c is 18 ft., and angle A is 52 °, find side a.…

A:

Q: If f(x) = x² + x and g(x) = x - 5, find f(g(x)) and g(f(x)). f(g(x)) = g(f(x)) = 10

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Q: Solve each equation to the nearest tenth. Use the given restriction: tan = 1.4 for 180°<<270°…

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Q: Find the area of the smaller segment of a circle of radius 10cm determined by a chord which subtends…

A:

Q: The mean always has a z-score (value) →

A: When the data is converted into z scores, the mean will always end up being zero.

Q: Find the sur 4000+200

A: answer is in next step.

Q: Suppose that the equilibrium real federal funds rate is 1 percent and the target rate of inflation…

A:

Q: for the -j 3 O de terminant 2-j3 3 2 i-s 1

A: det3j2-3j3-3j-120-j1-j=3jdet-12-j1-j-2-3jdet-3j201-j+3·det-3j-10-j=3j-1+3j-2-3j-3-3j+3-3=-3-6j

Q: You want to stimulate an experiment to draw cards out of a deck. You plan to draw 35 cards (with…

A: Please see the below picture for detailed solution.

Q: Solve for " a " (a / sin30 °) = (12/ sin 115°) Select one: O a. 21.8 O b. 6.6 O c. 24.6 O d. 24

A: Given data÷ Solve for a asin30=12sin115

Q: 6. The x-intercepts of y=x(x-2) are a. 0 and 2 b. 0 and -2 c. 1 and 2 d. -1 and -2

A:

Q: cosec A/sec A = ? Select one: O a. sin A + cos A O b. tan A O C. cot A O d. cos A

A: Select one

Q: Find the sum S30 of the first 30 terms of 300+150+75......... (round to the nearest whole number…

A: NOTE: Refresh your page if you can't see any equations. . the first term is  . the common ratio is…

Q: 65 Σ.100(3) n

A:

Q: The following are goals scored by a soccer team at each game in their recent season. Complete the…

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Q: The solution(s) to the equation 3t2 - 2t -1 = 0 is (are):   a. t = 0   b. t = 1/3   c. t =…

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Q: In this problem, p is in dollars and x is the number of units. Find the producer's surplus at market…

A: Given problem:- In this problem, p is in dollars and x is the number of units. Find the producer's…

Q: Find the first 4 terms of n+3 n² +1

A:

Q: a. The owner of the apartment decides to change to a new schedule and they set the thermostat to…

A: Concept: Here the x-axis of the graph represents the x hours and the y-axis is the temperature of…

Q: Performance Task Create Your Own Directions: Read and analyze the task given below. Perform the task…

A: Given: the open box out from a rectangle piece of cardboard whose length is 6 cm longer than its…

Q: Solve the following equation for x, where 0 ≤ x ≤ 2. Give an exact answer if possible, otherwise…

A: Given.

Q: Given the matrix A = 1 -1 -1 3 1 1 -3 1 -1. a) Find all the eigenvalues of the matrix A. b) Find the…

A:

Q: a) Given the transformation T: M2x2 → R defined by T[(a b)] = a +2c-d. Determine whether T is a…

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Q: 1. Complete the following for f(x) = 2x - 6 a. Find f¹(x). f¹(x) = y b. Graph f(x) and f¹(x) on the…

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Q: 3. Given the function f(x) = (x − 100) (x + 125) (x − 70)² + 40 explain how the equation connects to…

A: f(x) = (x-100)(x+125)(x-70)2+40

Q: [A] 32 1 0 1 -2 13 4 ||

A:

Q: The population of a city is given for several years: Year 2 4 10 14 16 19 Population 316,000 337,000…

A: Let's solve.

Q: 7. The vector i = is in a subspace II with hasis B- 32 Find the B-coordinate vector of

A:

Q: Use the graph of y = f(x) to graph the function g(x)=f(-x)-2. y = f(x) Ау 8 6- 27 Choose the correct…

A: NOTE: Refresh your page if you can't see any equations. . the graph of  is given  now we need to…

Q: The sample variance, ² = Σ(x-x)² n-1 {14, 13, 16, 9, 3, 7, 11, 12, 11, 4} is I of the data

A:

Q: A terminal point, P (x, y) is on the unit circle such that it forms a 150 degree angle in standard…

A: Given  UNIT CIRCLE

Q: One type of uranium has a radioactive decay rate of 0.4% per day. If 50 pounds of this uranium is…

A: Answer is in next step. please give a like !!

Q: Which of the following numbers can be the order (aka the number of elements) of a finite field?…

A:

Q: Use properties of logarithms to condense the logarithmic expression. Write the expression as a…

A: Let's simplify the expression in single terms.

Q: Prove that if 0 < x < 2r, then a circle of radius r has a chord of length x. (You can do this using…

A: According to given ,only 1st solved....Radius of circle = r

Q: Graph the following real-valued functions: 1. f: R→ R, such that f(x) = 10 - ³x. 2. f: R_ → R, such…

A: Let's draw the graph of given function.

Q: Solve the following equation. Round to 2 decimal places. Show all work. 4x + 2 = 25 X=

A: Given.

Q: 4. Explain how to use grouping to factor each polynomial. b. 3x5x-12

A:

Q: Write the result of the division in part (a) as both a fraction and a decimal without using a…

A: We have to write the result of the division in part (a) as both a fraction and decimal

Q: If y = 2 x, find the value of y ². Select one: O a. 4x O b. 22x O c. 24x O d. 1/4x

A: The objective of the question is evaluate y2 .

Q: Find the bases of the rowspace and columnspace of the matrix . What is the rank of x? x=(1, -3, 4,…

A: Given: x=1-34-22-69-12-69-1

Q: 3. What is the length of the missing side in the 13 8

A: This is a basic Pythagoras theorem problem

Q: Find the sum 5 Σ (3n+2)(2n-1) n=3

A:

Q: In Exercises 11-28, use the Gaussian elimination method with back substitution to solve the given…

A:

Q: x

A: Given Equation : x - 2y = -3   and point (1,-2)

Q: 23. Find the radius of the circle inscribed in a triangle formed by the lines 7x+24y-70-0,…

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Q: Which is the solution set of the inequality x -4 > 7? O {x € R/x 11} O {x € R/x ≥ 11}

A:

Q: A 61-year-old couple is considering opening a business of their own. They will either purchase an…

A: Given that , The future value of gift shoppe at time t is Gt=33600 and The future value of wine…