19, 20, 21 and 22 Find a + b, 4a + 2b, |a|, and |a – b|. 19. a = (-3, 4), b= (9, –1) %3D Answer + (6, 3), (6, 14), 5, 13

Q: 404 students were surveyed about their preferences of sports. 126 students like football, 131…

A:

Q: 3. 12 people got an A, 11 people got a B, 31 people got a C, 9 people got a D, and 5 people got an…

A: Percentage can be calculated, suppose for the people who got C as  (No. Of people who obtained C ÷…

Q: find the components of −→P Q. P = (3, 2), Q = (2, 7)

A: PPx, Py=3, 2QQx, Qy=2, 7Components:PQ=(Qx-Px)i→ + (Qy-Py)j→

Q: (5, 1,2) (1,2, い,2. . 5)

A: Subset : A subset is a set whose elements are all members in another set. Symbol of subset '⊆' .

Q: 10) B 4 A) A = 127°, B = 32°, C = 21° C) A = 32°, B = 21°, C = 127° B) A = 127°, B = 21°, C = 32° D)…

A: Angle of triangle

Q: ꜰɪɴᴅ ᴀʟʟ ɪɴᴛᴇɢᴇʀꜱ ᴛʜᴀᴛ ʟᴇᴀᴠᴇ ᴀ ʀᴇᴍɪɴᴅᴇʀ ᴏꜰ 2 ᴡʜᴇɴ ᴅɪᴠɪᴅᴇᴅ ʙʏ ᴇɪᴛʜᴇʀ 3 ᴏʀ 7, ʙᴜᴛ ᴡʜɪᴄʜ ᴀʀᴇ ᴅɪᴠɪꜱɪʙʟᴇ…

A: We will find out the required solution.

Q: The set of numbers {4, 7, 12} has A) a range of 8 and a median of 75 B) a range of 12 and a median…

A: Given that, Set of Numbers = 4,7,12   As we know, Range = Largest Number - Smallest Number For…

Q: 3,5'+ 2

A: The given function is 3s+2s2-3s+2 make the partial fractions…

Q: 9 b and c

A: b) We check if the denominator is 0 for any value of x.  2x2+5=0 2x2=-5 x2=-5/2 (not possible) So…

Q: B,C,D

A: As you mentioned , answer b,c and d

Q: 10, 18, 4, 15, 3, 21, x If x is the median of the 7 numbers listed abov which of the following could…

A: We will solve the problem

Q: d) k4,3 e) ļ)K3,3

A:

Q: 3. 7, 11, 15, 19,...

A: 3. Given, 7,11,15,19. Arthematic- series: it means there is constant diffrence between the any two…

Q: 3. 5 10 7 28 7.

A: 510=12 10 divided by 5 is equal to 2. So smallest form is 1/2. Or 0.5

Q: wing A= {2,5,6}, B = {1,2,3,7), C= {x|x € [?][?][?], x>0, x <10}, D={10,11} Write out AnB a.

A: Since set C is not clear, so I will solve only part a. Solution a: Given A=2,5,6, B=1,2,3,7

Q: 12° – (9 – 7)* + 6 = 12 +6

A:

Q: 7,8,9

A: 7) If the sample mean of a data set is 3.2 then the population mean must also be 3.2 FALSE Sample…

Q: 8. f : {1,2,.5} × {1,2, . 8} → {1,2, . 40}. ...

A: Given: f:{1,2,...5}×{1,2,...8}→{1,2,...40} To find- A bijection f between the given sets.…

Q: 12+z=15

A: 12+Z= 15 Z = 15 - 12

Q: D - A Let A= {2, 4, 6}, B={2, 6}, C={4, 6} and D={4, 6, 8}. Find

A: Let P, Q be two sets. The set P-Q contains all the elements that are present in set P but not in set…

Q: What is the mode? 5 5 1 1 5

A:

Q: 5. What statement does the shaded region represent?? a. A or B b. А c. A and B d. B A B

A: Given: A Venn diagram that depicts two sets A and B.

Q: 3(z+5)=12

A:

Q: 5. А(4, 4), В(2, 1), C(2, -1), D(-4, -1)

A:

Q: 4 A, E B. 2.

A:

Q: 28. The mean of the numbers x1, X2, X3 X4, X5, X6, X7, Xg is 9. If the mean of x2, X3, X6, X7, Xg is…

A: According to the given information, we have Given that, Mean of the numbers x1, x2, x3, x4, x5, x6,…

Q: 3) Complete the table. a, =3.a -a,-1 2. 3 5. 6. 4. 4. 7. 4,4 4,8 4,16 4,32

A:

Q: y A(0, 10) 10 8. 9. B(8, 6) 21 C(4, 2) 2. 4. 8 10 O A. A'(0, 2,), B'(2, 1} ), C 4.

A: We have to find the vertices

Q: * 7, 8, 9

A: Topic:- geometry

Q: 44. S = {(0,0, 0), (1, 5, 6), (6, 2, 1)} for R3

A: We use the definition of the basis of a vector space to answer the given question.

Q: 8. 4 2.16, V16,,96%, 4

A:

Q: 6, 8)

A:

Q: 3)D,E,F,G

A: Let X be a random variable denoting the unsuccessful wrapping of the chocolate by the machine. Then,…

Q: 3. (a) 5e (b) 2e¬21

A:

Q: 18.4 12.7 19.9 21.2

A:

Q: (6, 9л)

A: Given that: The point given is (6, 9π)

Q: 4, 2 N/W 2

A: solution is given below

Q: 4. a = -64 and b= –19 5. a 105 and b = 33

A:

Q: The mean of 3,x,x,4 and 7 is 6. Find the value of x.

A: Given data : 3 , x , x , 4 , 7 Mean = 6

Q: 17. S(-5, 3), 7(7, -2), U(7, -6), V-5, -6)

A: Topic - coordinate plane and distance between two points

Q: d. 3 X, + 2 X, + X, = 11 4 X, + 8 X2 – 3X, = 9 3 X. + 2 X, + X = 15

A:

Q: -5 -4 -2 -1 2 3 This boxplot represents the number of yards gained (or lost) by a running back on 24…

A:

Q: 3 Group of 6

A: One group of 6 = 6

Q: 12. (6 – 5/) – (4 + 21)

A: Given (6 - 5i) - (4 +2i) Simplify?

Q: a. µ = 12, x = 15, s = 4, n = 12 b. µ = 10,x = 7.8, 0 = 5. 1,n = 45

A: Given problem Given that

Q: Link a d 4. q1 11 45 q2 9.5 135 q3 4. 2.5 0. q4 1.5 q5 1. 2) 3.

A: Sol

Q: . Find (a)P(8, 3), (b)P(10,4), (c)C(8,3), (d)C(10, 4)

A:

Q: Find the coefficient of variation of the following set: 1.9, 2.4, 5.7, 4.5, 1.9, 8.5, 3.9,…

A: data set 1.9, 2.4, 5.7, 4.5, 1.9, 8.5, 3.9, 7.3

Q: 4 8 points What is BD? 16, 4 A В

A: