Given: BX=6; AX-8; CX-9; DX=12 Prove: AB|| CD D B X A C

Q: Response rates for customer complaints by Companies A and B are observed for 8 consecutive days and…

A: First enter this data into Excel

Q: 1. -5 E N. 2. .65 E Z. 3. 1/2 e Q. 4. 3- 2i € С.

A: Natural number:- {1, 2,3,4......} (N)  Integer(z)  {...... -3, -2, -1, 0,1,2,3.....} Rational number…

Q: Given: 21 2, 22 L3 21 nclusion: 41 43 Reason:

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Q: a. The union of two subspaces of a vector space is always a subspace. b. The basis for the zero…

A:

Q: dz "The integral S is a definite integral " 2-4

A: we have to subtitute x = 2 sec u  then find the integral using  ∫Secxdx=|nsecx+tanx

Q: g. There is no perfect human being. h. x = 5 or x = 4. i. He is a lecturer who is not impressed by…

A: We will determine whether these are statements or not as following.

Q: Given: 21 L3, 22 L3, L2 L4 3. 4 Conclusion: L4 Reason: 3.

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Q: The sentence ~P V ~Q can be composed as:

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Q: If E is the set of all possible ways 5 people can form a line, and F is the set of all possible ways…

A: Given that E is the set of possible ways that five people can form a line. Then there are 5 ways to…

Q: (d) T(x - 1)2 can be written in the form |(2 – 1) ' B (e) If f is continuous on [0, o0) and lim f(r)…

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Q: The diagonals of parallelogram WXYZ intersect at D. Select all the statements that must be true.…

A: Consider the diagram.

Q: (c) Let p, q and r be three propositions for which p and q are true, and r is false. Determine the…

A: QC (iii) asked and answered.

Q: A circular helix in ryz-space has the following parametric equations, where 0 E R. x(0) y(0) z(0) 4…

A: L(θ) = arc length of the helix from the point P(θ) to the point (4,0,0) P(θ)=(4cosθ ,4sinθ, 3θ)…

Q: Use the information given below to indicate whether the given sets express a function or a…

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Q: A?,B,?sufficient

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Q: 2. If A = {a,b,c}, B = {1,2,3}, C = {x}, and D = 0, list all of the elements in each of the…

A: We have to find Cartesian product of part (c) and part (d)

Q: A new gasoline additive is supposed to make gas burn more cleanly and increase gas mileage in the…

A: Given : Hypotheses test : Null and alternative hypothesis is  Ho : ud ≤ 0 Ha : ud > 0

Q: The original area of an image is 10 square units and the area of its dilated image is 160 square…

A: Given The original area = 10 square units area of dilated image = 160 square units

Q: Use Excel to calculate d and Så. In Excel, enter the data in columns: i.e., sample 1 in one column…

A: Let be the population mean difference between sample 1 and sample 2.No. of data pairs To find the…

Q: a) x-3 is a factor of f(x) if f(-3)-0 b) The function y x²-1 x-1 2 x +3 c) The function y=- has…

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Q: 1. The line parametrized by x 7, y = 5t, z = 6+t is parallel to the x-axis. 2. The parametric curve…

A: (1)

Q: 1. bg {a, b, {c}} 2. b e {a, b, c} 3. {b} € {a, b, c} 4. (b) c {a, b, c} 5. {b} c {a, b, {c}}

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Q: ía) Given that z cos) + isino, show that z" + z" = 2cosn0 and z"- z" = 2isinno. Hence or otherwise,…

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Q: (a) If f is an injective function then flimf is a function. YES NO (b) If the consequence is a…

A: a)  If f is injective function then f-1imf is a function as its domain is restricted to the image of…