Show that 2Z ∪ 3Z is not a subring of Z.

Q: Two friends wash cars to make extra money. The profit P(x) of one friend after × days can be…

A: Given problem:- Two friends wash cars to make extra money. The profit P(x) of one friend after ×…

Q: LUI (a) - f(x) = log(5 · xº + 7) − log(12) — 6 - f(1) = (c) line is (b) the curve y = f(x) at x = 1…

A:

Q: (d) at the point This line intersects the x-axis Your answer was interpreted as: (, ) (e) x = 1 at…

A: To solve the given query

Q: 2. Solve the equation X 2 Lx + 1 1 x] X 4 3 = x² and find the value of x X

A:

Q: Including a 6% sales tax, an inn charges $143.10 per night. Find the inn's nightly cost before tax…

A:

Q: Find an simplest terms. expression which represents the sum of (10x – 2y) and (3x – 3y) in -

A: The sum of (10x-2y) and (3x-3y)

Q: 4 Question 20 Find the domain of f (g(x)) if f (x) A B (D) (2,27) U (27, ∞0) (-∞0.2) U (5, ∞0] [2,…

A:

Q: X coth-'(x) = 1 In (x+1) 2 X-1

A:

Q: The after tax price of your new car is $28,999. If a 4% sales tax was charged. What was the pretax…

A:

Q: What is The prime factorization of 625?

A: Prime factorization is a method of factoring a number in prime numbers or write as a multiplication…

Q: Many leaners perform well in grade 12 but are still not accepted into universities.explain two…

A: Given:- Since many learners achieve well in grade 12, they have nonetheless turned away from…

Q: Find a formula in terms of k for the entries of Ak, where A is the diagonalizable matrix below. 9 12…

A: The given matrix, A=912-6-9

Q: Banana's Foster Pancake Yield: 10 pancakes 1 egg 3/4 cup milk 2 Tbsp. oil 1 cup AP flour 1 Tbsp.…

A: This is a problem given of adjusting recipe based on the constraints given. Please follow the…

Q: Find the equation of the line (in slope intercept form) containing the point (8, 2) that is…

A:

Q: Let R be a ring with identity, and let x e R be an element with a multiplicative inverse. Then the…

A:

Q: 11 (-1,1/6) (1,6) (0,1)

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Let X1 and X2 be the roots of the polynomial 2x² - 6x-8 Find the correct statement.

A:

Q: alve the following problem by y' = 1 ++ xy yca? = 1 , k = 0.1 a two-step methad.

A: Please refer to the image below

Q: 3x-2y 5x +10y = 18 = -10

A:

Q: Two friends wash cars to make extra money. The profit P(x) of one friend after × days can be…

A:

Q: Fill in the blank to make each statement true. Use correct notations. If a polynomial function p has…

A:

Q: Compute the inverse of the following unitary matrix : 2 1 +=i 5 5 250 0 —— 4 i 5 5 3 1 + 5 5 1 2 i -…

A: Let the given matrix, A=-25+15i35+15i-15+35i0-12-12i-12+12i25-45i310-110i110+310i Properties of…

Q: ← A matrix A and an echelon form of A are shown below. Find a basis for Col A and a basis for Nul A…

A: The given matrix A and an row echelon form,…

Q: Solve each equation for x (using algebraic methods). Leave solutions as simplified exact values. a.…

A:

Q: Solve the system of equations below by either substitution or elimination (addition). x + y-z = -1…

A:

Q: a. In(3x) = 2.1 b. logs (4x + 7) = 2 c. log 4 + log(x - 5) = log 16

A: Question is solved.

Q: The table of values represents a function. x -5 -3 0 3 5 What is the parent function for the…

A: NOTE: Refresh your page if you can't see any equations. . from the given table, we can write data…

Q: Gail buys an ipod that was priced $350. There is a 6% sales tax in her state. Fortunately, it was…

A:

Q: Note: If you need to input a number such as √2 you can do this by inputting sqrt(2). Let f(x) =…

A:

Q: Solve the following system using the Gaussian algorithm ( system attatched) Then, consider the two…

A:

Q: What is the end behavior for this equation? f(x)=-3x² - 4x +7 As x-∞, f (x)→→∞, and as a →→∞, f (x)…

A:

Q: Evaluate 4 times a number q plus 25 when q =2

A: Given problem:- Evaluate 4 times a number q plus 25 when q =2

Q: Sfo sin (y²) dA, D= {(x,y) | 0<x<y, 0<y<26}

A:

Q: Consider the function f(x) = (x + 1)(x− 2)^2 a. Find the zeros of the function. b. Find the…

A:

Q: A group of 11 students from the same middle school have been asked to record how much time they…

A:

Q: In a group of study at students 46 subjects students at school, all students must least one science…

A: total number of students=45number of students with physics only=12number of students with atleast…

Q: 22/08/1 Find the eigen value and eigen vector of A = 312 1 2 3/2

A: Given matrix A=322 -1-32To find eigen values and eigen vector

Q: Lesson 1.2 Transformations of Exponential Functions Identify the transformations of f(x)= ab*h+k…

A: Disclaimer: “Since you have asked multiple questions, we will solve the first question for you. If…

Q: Selena and Dustin have a pre-approved mortgage for $249 000. The current annual interest rate for a…

A:

Q: Simplify this complex fraction: | H +3 4

A:

Q: Problem1: A summer camp for youngsters has the following data: Charge per camper (selling price)…

A: Given: Charge per camper, selling price s=$144 Fixed Cost F=$4800 Variable cost per camper, v=$96…

Q: Calculate (5x-6)²dx, given the following. 7 7 7 7 7 √ x² dx = ³07 30 316 3 2 (5x-6) dx = [ 8 7 ²2=1…

A:

Q: QUESTION 18 A ladder is leannig againts a wall. The distance of the bottom of the ladder from the…

A:

Q: Solve the equation. 7x2 +5 - x = 6x2 + 10 x = [?] [ √ +1 []

A: We can solve the equation in the following steps.

Q: Solve for x. x x + 9 6 x + 2 −52+18 x² + 11x + 18

A: Given problem:- xx+9-6x+2=-5x+18x2+11x+18

Q: Graphing Logarithmic Functions In Exercises 13-20, sketch the graph of the function. See Example 1…

A: The objective of the question is graphing the given function. Here x&gt;0, y=o ,if x=4,…

Q: The product of d and 9 is subtracted from four-fifths of x

A:

Q: Solve for x. If there is no solution, enter DNE. − 52+90 x² + 3x 54 x x + 9 + X 4 - 6 =

A: Solution is given below:

Q: Describe all numbers that are at a distance of 5 from the number 6. Express this using absolute…

A: Given:      Let us assume x∈R. Absolute value:     Absolute value is a method to express distance in…

Q: Rewrite the following polynomial in standard form. x² −7+3x+8x¹ 8

A: