Calculate the net profit margin for a sweater sold for $10 that has a $5 cost of goods sold and 20% operating expenses.

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Q: To find the possible roots of the polynomial 4x3 + x4 - 7x² - 8x - 8

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Q: Choose the letter of the correct answer. Which of the following is true? The sequence whose nth term…

A: Solution of given question is written in below steps.

Q: You need a 45% alcohol solution. On hand, you have a 210 mL of a 35% alcohol mixture. You also have…

A: Let, the amount of solution of the 60% mixture is X ml.Adding 210 ml of 35% mixture,will…

Q: If A is an 7 x 12 matrix, then what is rank A² + dim nul (A²) equal to? Your

A: We can solve this as follows:

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A: To solve the given systems of simultaneous equations.

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A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: QUESTION 17 17. Solve the equation (x + 2)² = x +3

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Q: 11. What are the four vertices of the ellipse whose equation is (x2)/9 + (y2)/4 = 1? A. Vertices are…

A: Let's find vertices of elipse.

Q: Consider the matrix M = [6 5 27 026 005 For each vector given below, determine whether it's an…

A: The given matrix, M=652026005

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Q: – 6 + 3x = -4(x – 5) – 1

A: Given :-6+3x=-4x-5-1

Q: a competitive market a strategic market a thin market a power market Quantity 1 2 3 5 Price 13 13 13…

A: Topic:- function

Q: Obtain the first and second derivative of the following real-valued functions 1. ƒ : R → R, such…

A: Solution :1.fx=23x3-2xfirst derivative ,f'xf'x=29x2-2Second derivative…

Q: Use the of a the inverse Possible. w/or O matrix capabilities calculator to find the matrix, of 2…

A: Find the inverse of the given matrix.

Q: Write the compound statement in symbolic form. Let letters assigned ot the simple statements…

A: We need to give the symbolic statement of the following statement if I like the song or the dj is…

Q: ba 5. Determine whether or not matrix. A shown below is orthogonal and justify your answer. 10 0, 1.…

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Q: 7.) H Possible, Find A + B₁ A-B, 2A, and 2A-5B. A = 9 -2-3 O B = 16 b.) A 1 -4 A + B 2 A - B [?] 2

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Q: What are the graphs of y = sin(x) and y = sec(x) in the interval from - 2pi to 2pi ? Thank you so…

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Q: Consider the following relation on set B = {1, b, {1}, {b}, {1, b}}: P = {(1, b), (b, {1, b)), ({1,…

A: Law of Trichotomy: On a set X, a binary relation R, satisfies exactly one of xRy, yRx or x=y. Where…

Q: Evaluate the factorial expression  7!/5!

A: Given problem:- Evaluate the factorial expression  7!/5!

Q: 32. Which of the following is true of a Euler circuit? OIt cannot have any even vertices It can have…

A: 32 Option (d) is correct. Explanation A graph has an Euler circuit if and only if the degree of…

Q: nt and A-Pet to solve the problem given. Round answers to the Use the compound interest formulas A=I…

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Q: 1. Let 2-13 45 0 <-2 0-2 3 C=1 74 3 59 Show that 8 3 B=0 1 4-7 (a) A+ (B+C) = (A+B) + C (b)…

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Q: 8. 3a a²-1 a. b. C. −1+ e. a (a+1)(a-1) 2 (a+1)(a-1) - d. 0 a a+1 a (a+1)(a-1) is equal to: not in…

A: Given query is to find the equivalent expression.

Q: Suppose it is known that, on average, 3 customers per minute visit your website. This being the…

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Q: Find the following matrices where A = a. A + B b. A-B -1 -2 - 9 -8 1 - 1 c. - 4A and B = O A. A+B=…

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Q: What is the solution to the system of equations represented in the graph at the right? * Select one:…

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Q: Find an orthogonal basis for R3 spanned by the vector A= {(1,2,2),(-1,0,2),(0,0,1)}

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Q: Which picture below represents an equation that has no real roots? Select one: (Hint: click the…

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Q: Suppose that f: R20 R20 is defined by f(x) = x². What can we say about f a.f is one to one but it is…

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Q: 6. When z³ + 81u² −9zu² - 9z² is factored COMPLETELY, one of the factors is: a. 9+z b. -9+z C. not…

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Q: Which factoring method should you use to factor the numerator of the first fraction in…

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Q: A manufacturer of upholstery can sell 33 yards of fabric at a price of $1.63 per yard. If the price…

A: Given problem:- A manufacturer of upholstery can sell 33 yards of fabric at a price of $1.63 per…

Q: For a given geometric sequence, the common ratio, r, is equal to 2, and the 10th term, ₁o, is equal…

A: Here, nth of a GP , an = a1 × r(n - 1)

Q: Given that P= (ad), 428 Engineering Mathematics where a +d=-1 and ad-be = 1, show that and hence…

A: Given Problem:- p=abcd Given a+d=-1 and ad-bc=1 Show that  p2=d-b-ca Hence deduce that  p2+p+1=0

Q: =[12 Find (if possible) a. AB and b. BA, if A = 4] and B = 34 3 5 6 ԼՈ

A: Check order of both matrices and then go ahead.  If columns of second matrix is equal to rows of…

Q: Which of the following sets are NOT fields (you can choose more than one answer) R Z 25 Q Z9

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Q: Which of the following maps T, L, I, f: R³ → R³ is not linear? a) 1(x, y, z) = (x, y, z). b) f(x, y,…

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Q: 3. ƒ : R+ → R, such that f(x) = √2x+2. (Hint: Apply the chain rule.)

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Q: Find y if the slope between (-6,y) and (-15,-21) is 4/3.

A: The slope between two points(x1, y1) and (x2, y2) is given by,m=y2-y1x2-x1

Q: Solve the following equations. 1) tan² x + 2 sec x-7= 0 if x = [0, 2TT) ㅠㅠ if x (T € 2) 2 csc(2x) -…

A: As per Bartley guidelines we only give first question answer.

Q: For a given arithmetic sequence, the common difference, d, is equal to 7, and the 41st term, 941…

A: NOTE: Refresh your page if you can't see any equations. . here we have the 41st term of the…

Q: Determine by inspection whether the given set of vectors is linearly dependent or independent. Do…

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Q: (a) Two functions are given as follows: f(x)=3x+2 2 g(x)= x-1 (1) (ii) Determine the function…

A: Given problem:- 2. (a) Two functions are given as follows:            f(x) = 3x + 2           g(x)…

Q: Section

A: At Intersection l2 Incoming traffic = 8 car per minute from right end and z car per minute from l3.…

Q: What error did this person make while solving the equation using the quadratic formula? 6x2 +\\x…

A: Given Equation:- 6x2+11x-35=0

Q: A manufacturer has determined that the marginal profit from the production and sale of x ice cream…

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Q: Consider the R-vector space V=R². Which of the following subsets of V is a subspace? The line 2x+y=1…

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Q: Fifty chefs were interviewed regarding two meat products used in cooking adobo. They prefer to use…

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