4. Prove that a 1 5.Let A = −1 -1 - permutation matrix is orthogonal. 0 1 1 1 -1 1

Q: Find tan 0, cos0, and csc 0, where is the angle shown in the figure. Give exact values, not decimal…

A:

Q: Use the following functions for this question: f(x) = 2x + 3 g(x) = 3x - 4 Find (f - g)(x).

A: We will find the composite function.

Q: Prove this: A≤B iff AnB=A

A:

Q: 1 1(2) + 1 + 2 (3) 1 1 + 3(4) 4(5) +...+ 1 n(n+1) = 1-¹ if n E N. n+1

A: Explanation of the answer is as follows

Q: Solve the following equation. w +9w²-400 = 0 ~··· Select the correct choice below and fill in any…

A:

Q: a) Let A be a square matrix. If A = pB and B =qAt for some matrix B and numbers p and q, show that…

A: The answers are given below.

Q: Simplify the complex fraction. 6 +2 3 + 1 2-2 x = -2, x 2

A:

Q: 19. Jack paid $13.75 to buy 3 slices of pizza and 4 hot dogs at a concession stand. Sarah paid $9.75…

A: Let the price of each hot slide of pizza is  $ x  and the price of each hot dogs is  $ y

Q: Find the coefficient specified in each item. a) ?^4 in (6−12?)^6

A:

Q: A club prepares three types of games: football, badminton and tennis. The club has 70 members where…

A:

Q: deo of Centroids Problem #1 In triangle ABC, point E (5,1.5) is the circumcenter, point H (4.3, 2.3)…

A:

Q: Finance. A person wishes to have $20,300 cash for a new car 6 years from now. How much should be…

A:

Q: Simplify (3x³ + 5z − 1) ÷ (x + 1) O 3z² + 3z +8+- O 32³-32² +8z-9 3x³ +3z² +8z+7 O 32²- 3z +8-7271

A:

Q: 1 22²-2 32+3.

A:

Q: Question 3 Given that x and y vary inversely and that yis 24 when x is 8, sketch a graph of this…

A: Given that x and y vary inversely and y is 24 when x is 8, to sketch a graph of this inverse…

Q: 14. Ken can fill a bin with blocks in 20 minutes. Kristen can fill the same bin with blocks in 25…

A: We have to find the time taken and speed of boat.

Q: a class, 100 students play cricket ,120 play hockey and 150 play Tennis. For every 5 students who…

A:

Q: Determine the present value P you must invest to have the future value A at simple interest rate r…

A: We know that, P.V=F.V(1+r)n Where P.V.is present value, F.V. Future value, r is annual rate of…

Q: tex Form Quadratic Equation #20: Vertex: AOS: Table of Values: X f(x) y-intercept:_ x-intercepts:_…

A: Given problem:- f(x)=(x-4)2-1 Find:- Vertex ,AOS ,Table of values ,y intercept , x intercept

Q: Which one of the following is a root of √2x1-x+=0? O x = 5 x = 1 O x = 7 x = 3

A: We have to find the roots

Q: Find the distance between the points (5, -3) and (-7, -3) Distance: X Ś ?

A: Distance between two pints is given by below:

Q: If your answer is a fraction like I then enter your answer as - 3/2 without using any spaces.…

A: The given line equation 2x+6y=1.

Q: Use the TF Method to determine if the following argument is valid or invalid. Create a proof or…

A: answer is in next step

Q: 9-3x Identify the rational expression that is equivalent to 12x + x O a. 9x - 3x² 3 12x² + x O b. O…

A: We can answer the question as below.

Q: Let the vector V have an initial point at (3, 0) and a terminal point at (-1,4). Plot the vector V…

A: Given

Q: Which statement about the behavior of f(x)=x^2+4x-3 are true

A:

Q: Determine if the following two lines are parallel, perpendicular or neither one of these. 2y = 3x -…

A: We know that, General equation of line is given by, y= mx+b where m is the slope. When two lines…

Q: 4 8t Simplify +2 2k+4-

A:

Q: 12. Shannon's new car sold for $21,000. Her online research indicates that the car will depreciate…

A:

Q: You have two coupons at a book store.1.) Save 15% off your next purchase. 2.) Take Php100 off your…

A:

Q: The average of 5 test scores is exactly 80. Three of the scores are 73, 82, and 88. Which of the…

A: Here is the solution:

Q: en cos 0 = 2, find the other five trigonometric functions. Draw a picture to support your answers 20…

A:

Q: Given the following functions, find each: f(x)=x^2+x−6 g(x)=x-2 (f+g)(x)= (f−g)(x)= (f⋅g)(x)=…

A:

Q: 1+x² Find the area of the region bounded by the curve y=- and the lines y = 0, y = x,x=2. 2x2

A: Follow the procedure given below.

Q: The volume V of a sphere can be expressed in terms of its radius r according to the function V(r) =…

A:

Q: 3) Pat has 5 white beads and 1 black bead in her bag. She asks two friends about the probability of…

A: The objective is to solve the above question.

Q: 34 ACTIVITY 1. Construct the truth table: (p^ q) → (~pv q) and determine whether it is a tautology,…

A:

Q: A company is trying to introduce a new product to as many people as possible through television…

A:

Q: C. log(2x + 1) = log 15

A: Topic:- algebra

Q: Use the quadratic formula to solve the equation x² + 3x-5=0. The solution is

A: Quadratic Formula :          If ax2+bx+c=0 then x=-b±b2-4ac2a.

Q: b. log₂(x 3) = log₂ 9

A:

Q: Find the inverse of g (x) = } x + }

A:

Q: balance

A:

Q: Moving to another question will save this response. Question 18 Isobel found that her car was…

A: We have to find the no.of miles

Q: A couple just had a baby. How much should they invest now at 5.3% compounded daily in order to have…

A:

Q: Solve the system of linear equations: x - 5y + 4z = -3 2x - 7y + 3z = -2 -2x + y + 7z = -1 A No…

A:

Q: Write an equation for a function that has a graph with the given characteristics. 1 The shape of y =…

A: Given query is to find equation of the graph after transformation.

Q: List the members of these sets, x | x is a real number such that x^2=1.

A:

Q: Solve equation ( if all real numbers are solutions, enter reals. If there is no no solution , enter…

A: The answer is given below:

Q: Kate and Jean paint a house together in 6 days. If they work alone, Kate takes 5 fewer days than…

A: