Which of the following are always true, and which are not alwaystrue? Give reasons for your answers. u . u = | u | 2

Q: Which of the following are always true, and which are not always true? Give reasons for your…

A: a) False

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A:

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A: We have given that,  P(A) = 0.2, P(B) = 0.3 and P(A ∩ B) = 0.1 Then,  We will find the following…

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Q: Which of the following is equivalent to (p → q) A (q → r) → (p → r} None O True (q→r) A (pq) False

A:

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A: Here identifying which type of statement included in null and alternative

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A: We have to solve

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A: The symbol ∧ means “and”.

Q: Write a mathematical statement which says that x is at least 5 units away from 9. o Ix-5| 9 Do Ix-9|…

A: follow next step

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A: Topic  -   set and subset

Q: d.Computation e. Decision (Reject Ho or Failed to reject Ho) f. Conclusion

A:

Q: Answer if the statements holds correct or not. Please explain the reason. Given: P(X) = 0.4 ; P(Y)…

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Q: 5) If C = A + B , which one of the following is possible (indicate all that apply) a) |C| | A | + |…

A: given that C¯=A¯+B¯

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Q: Which of the following are always true, and which are not always true? Give reasons for your…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 3. if a< -1 S(x) = if -1sa<3 if 3 Sa

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Q: 1 -1 2. Let A = and u = 3 -3 -5 -3 (a) Is u in Col(A)? (b) Is u in Nul(A)?

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Q: Which of the following is true? * If A = {x: x |B| Option 4 Option 3 |A| < ]B[ ]A| = |B| Option 2…

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Q: Let u =(3,-4) and v= (-1,-4). Express u+v in the form (a,b). u+v= (Simplify your answers.)

A: The objective of the question is evaluate the sum of given vectors .

Q: for part1 ,but the model ans is 0.159,is that model ans

A: Given: Total number of sides in a die = 12 Number of dice = 2 Q = product of 24.

Q: (a) Given that, Un (ил-1) + 3(иn-2), и, — 2, иz 3, find uz , U4 , U5 , U6 =

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Q: 1) 2*•23 - 25 2) 2* = 2 3) 4) x+y=-3 5) 24 • 2* = 26 6) 2* • 2 = 23

A:

Q: Which of the following is NOT a mathematical statement? O a. It rained today. O b. a · b O c. 1+1= 0…

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Q: If u ≠ 0 and if u * v = u * w andu # v = u . w, then does v = w? Give reasons for your answer.

A: Given, u≠0, u·v=u·w  &amp;  u×v=u×w Consider, u·v=u·w⇒u·v-u·w=0⇒u·v-w=0⇒v-w=0           ∵u≠0⇒v=w…

Q: The sets A = {x e I: x 1} then A' = [-1; 1] Ture False

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Q: Which of the following are always true, and which are not alwaystrue? Give reasons for your answers.…

A:

Q: Eric is taller than Annie, but he is smaller than Raul. If E - Eric's height, A - Annie's height and…

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Q: 1. Which of the following is true? H J JH is an altitude of AGJI O GI is an altitude of AGJI OJI is…

A:

Q: Which of the possible answers is logically equivalent to the expression below? (AU (((B) \ B)U (B)))…

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Q: [-4 Let A = 2 -1 -31 Which one of the following is in Nul A? a. X = O b. None of the answers is…

A: See the details solution in below

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Q: N(-2,5). Which of the following is equal to P(X > 0)? O ¤(2) 01- (2/5) Let X ~ O ¤(2//5). O…

A:

Q: 6. Which of the following expression does not make sense. a) (Ux w) u b) (3u- ) x (u- ) c) (u- 20)…

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Q: 4) Yes/No If yes, answer questions below. Postulate: Similarity Statement: T V Explain:

A: here we have to Explain the similarity of triangles.

Q: Let X haveN (μ, o²), then The value of E(x-μ|2²) is

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Q: P(A) = 0.40, P(B) = 0.35 then P(A) + P(B)-1 = 0.05 true ) false

A:

Q: Which of the following is equivalent to (p V q) ^ (-p V s) → (q V s) None O (p+ g) → (p –→ s) True…

A: Truth-table:- p q s p v q ~p v s q v s (p v s)^(~p v s)-&gt;(q v s) T T T T T T T T F F F T F…

Q: (p ^ 7(q v r)) v (((p ^ q) v Tr) v p

A: Given variables are p, q, r. Inputs of the truth table is T and F. The total number of inputs is 23…

Q: Exercise/ Sets Answer the following. 1. Let A = {1, 2, 4, a, b, e}. Answer each of the following as…

A: 1.a) it is true, because, 2 belongs to the set  b) it is false, because, 3 does not belong to the…