4. D = {x | x is the letters of your First Name} e non 5. E= {x|x is a positive integer less than 12 but greater than 6}

Q: Set B (x+7)(x-3) 20 20 x+6 x+7 <0 x-5 x+3 20 x-10 1. x-1 x+3 3. 2.

A:

Q: |x+7/2| ≥ 9

A: Given,

Q: 7. Given that , -f() = 15, which of the following must be true? O-35, f (P) dp = 15 O-3 f (p) dp =…

A:

Q: 8. If * is defined as a*b = 3a+b where a and b are real numbers, what is 4*3?

A: Given operation is a*b = 3a+b

Q: 1.25a +3> 0.5a-6 and 2.5a 129-1.5a

A:

Q: Let a = (-4, 5, -2) and 6=(-1,0, 4). Find à x b.

A:

Q: Example 5-42. (a) Find the Geometric Mean of 2, 4, 8. 12, 16 and 24. (6) If the observations 2, 4, 8…

A: HEre AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION  geometric mean =  a1 *a2*......ann

Q: k2. 7k + 10 k2. 3k k2 + Sk + 15 k2 - 4k - 12

A: Given; 1. [(K2+7k+10).(k2+3k)]/[(k2+8k+15)(k2-4k-12)] 2. 7/(x-2) - 5/(2-x).

Q: 4 men and 6 women are ranked according to their scores on an exam. Assume that no two scores are…

A: men and  women are ranked as per their exam scores.Total no. of peopleNo  scores are assumed to be…

Q: 3.54. If the arithmetic mean of two unequal positive real number 'a' and 'b', (a > b), be twice as…

A: In question, Given that the arithmetic mean of two unequal real numbers a and b be twice of their…

Q: If 0 <0 < 2n and -12cos20-8 = -17, determine the values of 0

A:

Q: Solve 2|7-x| 8 c. -8 6

A: We have given the inequality; 2|7-x| &lt; 2

Q: 3x²³-2x² + 3kx + 18 by x- 6 to be equal to zero, k must be equal to.

A: Use division

Q: What is the possible value of (ꟾ -X ꟾ - X2) if (ꟾ -2X + 9ꟾ = 3)? a. -42 b. 42 c. 30 d. -30 e. None…

A: Topic:- basic algebra

Q: 5. Which function has both domain and range of all real numbers? a. y = x2-5 b. y = (x + 2)3 c. y =…

A: To find  the function having domain =R and range =R.

Q: 9. 6 < 2x + 2

A:

Q: 21 84 = 1, where x and y are positive real numbers, find the smallest possible y of x + y. If + X…

A: Given   21x+84y=1

Q: 20. Solve for x. 27 x + 10 18

A: Intercept theorem states that if a line segment divides two or more parallel lines into equal parts,…

Q: 11x + 1 W

A:

Q: Solve for z. 96+x O 6 10 6. 11 12 13 14 15

A: We have to find

Q: 3 6. Let A= 0 x+1 1 x -8 x-1 For what values of x does A-¹ exist?

A:

Q: Show that [-3,0]| = |[-2, 7].

A: We say two sets have the same cardinality if there exists a bijection between the two sets.

Q: 1 (-7)2 dx r(x-7)2 6.

A: Given,  ∫1xx-72dx

Q: 3. Select all the statements that are true for any value of x. A. 7x + (2x +7) = 9x + 7 B. 7x + (2x-…

A:

Q: Solve | 3-x| 2 5. O A. The set of real numbers B. Ø OC. {x|x28 or xs-2} O D. (x|x> 8 or x<-2} O E.…

A:

Q: x A20x + A²1 A20 - + 10 = 11+ A.

A: Given query is to solve for x.

Q: 2. 5. 3) Solve. (x+2) (x-3) x2-x-6

A: The denominators are (x+2), (x-3), (x2-x-6)=(x+2)(x-3) The least common denominator (LCD) is=…

Q: 5.54. If the arithmetic mean of two unequal positive real number 'a' and 'b', (a > b), be nwice as…

A:

Q: . 3x - 4y < -24

A: given inequality