IV. Add and A. Calculate the léast common denominator (LCD) for each sum and difference. Describe any restriction(s) for the value of x. 登+ X- 2 x² 1. + X+ 1 3. 12 6. x+1- X- 1 (x² + x) 3. Х- 4. *+ A+ 8 3 x2 +1 2x 12x²+24+2x3 +ax (a) (x) (4) (x x3+6x?+x+ 3x + 4 4x3+8X X- 3 X - 1 2x x² - 1 %3D 7. + 3x X - 2 2x + 4 + 8. X- 3 - 2x+3 an) 2x2 + 7x + 6 X-3 *2 ning, Inc.

Q: Add  z-9/z+9+z+7/z-7

A: Given information:

Q: There are 15 different courses and 18 students in a school. Every student takes 4 courses. Show that…

A: Given, There are 15 different courses and 18 students in a school. Every student takes 4 courses.…

Q: There are 4 jobs you can choose in a volunteer site. How many different ways are there to choose 1…

A: The objective of the question is to find out the number of ways to choose 1 job out of 4 available…

Q: Write the trigonometric form of the complex number. (Round your angles to two decimal places. Let 0…

A: Given: z = 77-i^  Comparing the given complex number with z=x+i^y, we get,  x = 77 , y = - 1. The…

Q: 562C 2b

A: See the details solution in below

Q: 3 41 + 14 12

A:

Q: Multiply -6 -2 2 -4] 9 -7 1 -5

A: To multiply amatrix by a Constant  , each elements in the matrix is multiplied by the given…

Q: ind vol ((2,4,3),(-1,3,0),(0,2,1))

A: Given: ((2,4,3),(-1,3,0),(0,2,1))

Q: Find the union: {7, 8, 9, 10, 11} U {6, 8, 10, 12}.

A: {7,8,9,10,11}U{6,8,10,12}

Q: Visa cards have 16 digits. The first digit is always 4 as in 4xxxxx – with the 2nd to 6th digits…

A: There are 10 digits including zero. The first number should be 4. It is given that the 2nd to 6th…

Q: 4. Fill in the following contingency table with the number of observations that fall into each com-…

A: x1 = number of colored oranges from Skittles brand = 77 x2 = number of colored oranges from M &…

Q: Find GCD a-(18,45) b-(25,125)

A: Given  GCD(18,45)GCD(25,125)

Q: Find A - B if A = {4,5,6} , B = {6,7,8}

A: Given ,  A = {4,5,6} B = {6,7,8} We have to find A - B   A - B is the set of all elements of A that…

Q: M(-3,5) N(7,11)

A: Given, M(-3,5) and N(7,11)

Q: What about 9 and 11?

A:

Q: Find the number of ways in which 5 economics books, 3 history books, and 2 mathematics books can be…

A: See the detailed solution below.

Q: Find the number of different ways that an instructor can choose 7 students from a class of 12…

A: Here we have to find the number of different ways that an instructor can choose 7 students from a…

Q: 6s + 3 Lost + 5s² + 4 + 5s? + 4]

A: Given

Q: 8-6*4+10/2=

A: 8-6*4+10/2

Q: Find the union: (7, 8, 9, 10, 11} U {6, 8, 10, 12}.

A: To find the union of 7,8,9,10,11 ∪ 6,8,10,12 .

Q: m²+3m+2 m²+5m+6 m²+5m+4 m²+10m+24

A:

Q: 3\4 of 20

A: Consider the given: 34 of 20"Of " symbolise "Multiplication"

Q: Find the number of different ways that an instructor can choose 4 students from a class of 18…

A: Combination:   It is nothing but the selection of objects where the order of selection is not…