Two types of dermabrasion treatment were subjected to customer's evaluation. Based on their experience, they are to give satisfaction rating on the dermabrasion treatment according to the effectiveness in treating acne. The tables below show the frequency distribution of scores varying from a low of 1 (very dissatisfied), 2 (dissatisfied), 3 (fairly dissatisfied), 4 (satisfied), to 5 (very satisfied). Dermabrasion Treatment Satisfaction score (X) Treatment A Freq. (f) Dermabrasion Treatment Satisfaction score (X) Treatment B ... Freq. (f) 5 6 1 10 17 15 3. 30 4 30 4 38 41 2.

Q: (-14) + (–7)

A:

Q: 2. 3. 8. 5.

A:

Q: b. N(0)

A: Given,  r→t=sint, t, cost                   ...1

Q: 4(2w-5) = 5w + 4 %3D

A:

Q: N. 15 12

A:

Q: T. 9

A: Given: To determine: ST→ & tan∠S

Q: . 4- 5 4m+8

A:

Q: 619 d. 4 10

A:

Q: (4 – a2)

A: To integrate.

Q: 3) 24 12

A: We can find the value of x as below

Q: 2.)(-6)-(5(1-3)-6)-4+9)

A: The given equation is as  (-6)-(5((-3)-6)-(-4)+9)

Q: In the

A: In the diagram it is given that, the angles <G and <H are complementary. m<G = 2x + 10…

Q: 3. Find L-¹{√534}. (s+3)

A:

Q: 3. Graphically Subtract (-1+i) from (3+2i)

A: If we have to subtract a vector b from another vector a, graphically, then we actually are adding…

Q: -7 3. Find (3-4) 5) 1 1

A:

Q: 4.122

A: Given Information: a) Suppose each lot contains 10 items, you decide to sample 4 items per lot and…

Q: 4 4 2 4) 3 4.

A: Topic- shifting and scaling of figure

Q: %3D 2. 416

A: See the details solution in below

Q: Identify the work done, J. F.dr by an electric field, E = (x + xy)î + (y + 5)f – 5zk V/m to move an…

A: Work done along the curve C by vector field F . Where C is given by parametric equation r(t)…

Q: Identify the postulate for each drawing

A: Identify the postulates for each drawing

Q: 6. 4 Z+ 1 z+ 7 2.

A: Given,  4/(z + 1)  =  2/(z + 7)  To find value of z.

Q: 6. 8.

A: Pythagorean Theorem:                  Pythagoras theorem states that  "In right angled triangle ,…

Q: 12 8. 4

A: Given, 12/4 - 8/5 Taking LCM we have, LCM= 4*5= 20

Q: The columns of Q were obtained by applying the Gram-Schmidt process to the columns of A. Find an…

A: Solution by using Gram-Schmidt process as follows :

Q: 11. 6.

A: We have to find radius

Q: 9. x+8

A: For two intersecting chords , the  multiples of the lengths of the line segments on each chord are…

Q: What is the product of 3 and 3?

A: To find the product of given irrational numbers.