A group of 40 students in a library was sampled and the type of laptop they were using was examined. It was found that 16 were using HP, 11 were using Lenovo, 5 were using Dell, 5 were using Microsoft, and 3 were using Apple. a. Use the given information to complete the following table: Laptop Type Frequency Relative Frequency HP Lenovo Dell Microsoft b. How many degrees will the segment representing "Lenovo" have on a pie chart? c. What proportion of the students use HP? d. What is the relative frequency for Apple? Apple

Q: The answer

A:

Q: For Exercise, perform the indicated operations and simplify the expression. Зx? — х — 4 4x – 8x – 12…

A: The given function is,

Q: Simplify (2−√5)(4−√15)

A:

Q: Example Calculate 3A - B and AB where: 0 -3 2 0 -2 15 6 A = 02 3 and B =1 -1 0 0 10-4

A: Given,          A=156023-100  and  B=0-3210-210-4

Q: abc is different combination from bca

A:

Q: O 16710 O 1677 O 4r10 O 4r7

A: The exponential expression, a·bx can also be written as ax·bx . The exponential expression, amn can…

Q: 2(r+s) 98(t-5)2 7(5-1) 14(r+s)

A:

Q: Simplify: 11

A:

Q: how do you get -56 out of this? x=3, y=-3, and z=5 -3xy2-z/-3xz

A:

Q: Simplify

A: Given : -2r2s53r-1s32

Q: What is the value of ï so that 3(−5x + 4) = −2(x + 4). Select one: O 20 13 O 3 0 -3 7 12 11 8

A: here we can use simple calculations to solve this question.

Q: Dana is a math professor who usually teaches in-person but has recently started teaching online.…

A: Given that, mean , μ=76.5standard deviation,σ=19.1and sample mean(class-average),x =68.4 and sample…

Q: what is (-4r)2   simplified

A: When a negative number is squared the resultant number is positive.

Q: The final should be 4 no? Not 23/6?

A: Given Vector:- F→x,y,z=lnx+y+xzπ,1+yzsinhy,zey-cosz

Q: Simplify: 1 18 r4 v 9 3 4 9r 4 v9 2]

A:

Q: Q5: Evaluate 0-²cos² (1+) d0 -0.5

A: Let us assume: z=1+1θ=1+θ-1dz=0+(-1)θ-2dθ=-θ-2dθdθ=dz-θ-2   When θ=-1 then, 1+1θ=1+1-1=0When θ=-0.5…

Q: 7 6 (x+5) 2 =

A: .

Q: O Find: im

A:

Q: b, Jim 3m -18 7m - 12 2.

A:

Q: 2+V2+/2+20 do

A: ∫2=2+2+2  cosθ   dθ ∫2+2+21+cosθ  dθ  ∵1+cos θ=2 cos2θ ∫2+2+2×2 cos2θ  dθ

Q: Evaluate: L- 2s 1 2-2s = Blank 1

A:

Q: AB=ロ Round Your inswer to the earest hundfecth A 20 B 3

A: Given: BC=3 Angle BAC=20 Angle ACB=90 To find: AB=??

Q: If (n, 15) = 1 and o(n) = 56, find o (75n).

A: Given: n, 15=1 and σn=56.To find: σ75n

Q: D0 bas 30216 0inn 484 2 2L 2 3 1 12 6. Simplify: 4 3 5

A: Firstly, we solve (3/4)^2 which is 3*3/4*4=9/16 and factorise 12

Q: 6÷2(1+2) = ?

A: To evaluate  6÷2(1+2)

Q: Simplify: 4(2r23 24r t3 O 32r t3 O 32r53 O 24r°t3

A:

Q: 7Z 2te

A:

Q: Find (a) ∣A∣ and (b) ∣A−1∣.

A: a). Determinant of A is,

Q: Trevor has 2 of a can of paint. I he uses 4 ofP the paint in the can, what fraction of the whole can…

A: Here given Trevar has 1/2 of can of paint He uses 3/4 of paint in the can

Q: 25y2 1. Simplify the expression Show your work. 6x Answer:

A:

Q: Find (a) ∣A∣ and (b) ∣A−1∣.

A: a).  Determinant of matrix A is

Q: Find (a) ∣A∣ and (b) ∣A−1∣.

A: a). Determinant of matrix A is,

Q: (Q3) Draw multiplication table for Z5.

A:

Q: Find (a) ∣AT∣, (b) ∣A2∣, (c) ∣AAT∣, (d) ∣2A∣, and (e) ∣A−1∣.

A:

Q: Simplify: 3t2 + t3 O 3t5 O 3t6 O 3t2 + 3t3 o It is already sim

A: