The following table is the frequency distribution for the amount 'screen time' (in hours) had each day by 50 employees at a large, multinational corporation. Screen time is loosely defined as time spent using a computer, tablet, gaming console, television, or smart phone. Screen Time Freq 0

Q: -2 -3 Q3) Find JA| Where A =1 0 1 1 -1

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Q: 1 - 2 9) Ans. r = 1

A: Given the matrix . We need to find it's rank. As we know that rank of a matrix is number of non zero…

Q: Why must nCr always be less than or equal to nPr for any given n and r

A: Permutations and combinations are given.

Q: 2. Let A = 201-18 and /= 2 1 1 2 01 Find A(A+1).

A: A=[2 1      1 2]I=[1 0      0 1]

Q: 4.1c. Show that the product of two integers that can be represented by x2 +dy?, is always another…

A: Prove that the product of two integers of the form x2+dy2 is always of the form x2+dy2. Consider two…

Q: 1.) Find v(t) 4+ 37 2-

A:

Q: dz 4. Compute where

A: We can solve the problem by residue method

Q: 3 2 If A = use the Cayley-Hamilton theorem to determine A?. 5 1

A: We can solve this by using given information

Q: 4) Find the value of x. A. 7 В. 15 С. 23 x+ 2 D. 35.5 15 20

A: Given-  To Find- The value of x.

Q: 4. [7.4 & 7.5] If... a = i +3j - 2k, and b=i-3j-k, and c=2i+j-k, then... a) Determine (ā- 2b) b)…

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Q: e. 3(v+ w)

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Q: 2 1) 3

A:

Q: 9. Which of the following is equivalent to E-1(3i + 2)? [5(6)] 의 + 2(5) c. 3|2의 + 2(4) а. 3 b. 3°|+…

A: (a) option is the correct answer.

Q: 2) Theo anglo hofcwoion tthe Fcoo dcines haucong slopes 347

A: The slopes of the two lines are given as following m1 = 34 and m2 =-17 To evaluate: The value of the…

Q: Given that v = and w =. Find

A:

Q: 769° 45° C. a) What is the measure of <ADB?

A: We can find the measure of angle ADB as below

Q: 5. Find all points at whi

A: 5. Given curve C with parametric equations   C: x(t)=2cost, y(t)=8sint We have to find all points on…

Q: If (R – {0}, .) = (Q,.) then 1=0 1=-1 -1=0

A: For the given statement

Q: 5. A. undefined B. 2 × 2 Consider (a) What is the size of QTP-¹? P= A. -1.5 B. -2 = [1 C. 2 × 4 D. 4…

A: Given: The matrix P=4611 and Q=22341-120 a) Find the size of the matrix QTP-1 b) Find the entry 2,1…

Q: If f'(t) = 9t² + e' and f(0) = 4. Compute f(3).

A: Since you have posted multiple questions, as per our policy we will answer first question. Please…

Q: Proving Sequents Using only the Primitive Rules of Proof, prove each of the following sequents.…

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Q: Q. 5. Show that "-C, 1+"C, =" C, . n-1

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Q: 3. Compute (+) A. 1 B. -1 C. C.D. - E. i

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Q: coth (i) со 4

A:

Q: 3. Prove the pythagorean Theorem

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Q: -1 -4] [7 111 5 ,B = |2 [4 -8 Find AB, given A -1 7. 3

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Q: Problem no10 Find gen. sol. I you +12y" +HOy² = 0 (0)²² (0)8 PPSH+vH¬"v

A:

Q: ex iR Py, z)-0 fined diz H and x=2-4

A: We have to find partial derivative.

Q: le + 2*]dx - 2*r]dr 3.

A:

Q: Suppose that f(x)=e* for x > 0. Determine the following probabilities: Round your answers to 4…

A: The question is about continuous probability distribution Given : f ( x ) = e-x     for x &gt; 0…

Q: If xly, then show that ||x+ y|| = ||x- y|!.

A:

Q: Compute. 13 2) Σ k

A: Given, ∑k=113k2

Q: (А - B) - С - (А -C)- (В - C)

A: Introduction :

Q: 10. (x² – 2x + 1)e2 dr

A: Integrate function using integration by parts

Q: 3 dr. (1)

A: