Five persons, who were suffering from depression, attended 10 one-hour counseling sessions. The following table gives the depression scores (on a scale of 1 to 10) of these five persons before and after attending the counseling sessions. Note that a higher score means that a person has a worse case of depression. Before 7.5 6.4 8.6 9.1 7.8 After 4.3 5.1 6.2 6.9 7.2 Let the paired difference d be defined as the score before minus the score after attending the counseling sessions. Use the above information to answer the following question: 26. The mean of the sample paired differences is: b. .76 a. 2.18 c. 1.94 d. 3.56

Q: 4. Reasoning Dan has 9 red train cars and 5 black train cars. How many frain cars does he have in…

A:

Q: Exploration 2: Puppies Grow Up To complete the double number lines, click on the diagram and select…

A:

Q: The hypotenuse of a right triangle is one inch longer than the shortest side. The short side is…

A: follow 2nd step.

Q: Activity 4: Problem Solving 1. Explain why you can never be sure that a conclusion you arrived at…

A: Inductive reasoning: inductive reasoning is the process of reasoning that arrives at a general…

Q: 3. Write a word problem that would have -30 - (-14) as its solution. Note: The wording of this…

A: What will be the answer when we sustract -14 from -30 ?

Q: فاد m 29² да 36 t

A:

Q: xplain how you would use the steps involved in the problem solving process to solve the following. A…

A: Given Data: Cost of each skirt =$300  Cost of each jersey=$150 Total cost =$2850

Q: 12. cosxsiny cos(x-y) tanx + coty

A: The formulas can be used in question given, cos(x-y) = cos x cos y + sin x sin y tan x =  sin x /…

Q: Use a chart to solve the following problems. Five years ago, Jamal's age was 3x + 5 Represent her…

A:

Q: What is 2 + 2?

A: 2+2=4

Q: In the familiar song "The Twelve Days of Christmas," the total number of gifts received each day is…

A: I am going to solve the given problem by using some simple algebra to get the required result.

Q: A clown weighs 60 lbs more than a trapeze artist.  the trapeze artist weights two thirds as much as…

A: First make equation then solve

Q: 8. Calculate the unit rate. Over the weekend, Mr. Quinn burned some CDs with his favorite songs from…

A: Given Total song burner=275 Total number of CDs is used=25

Q: What are the steps to solve this algebraic expression?$15 less than the average cost, C.

A: An algebraic expression  contains variables, constants along with operations.

Q: i I thought the answer was 48 is there a different way to solve this

A: here given data ,   For software engineer available candidates = 5 For  administrative assistant…

Q: 3 classes worked together to raise money for their classroom libraries and agreed to share the money…

A:

Q: Bonus: A smiley face on a balloon is 4 inches tall when the balloon has a volume of 64 inches cubed.…

A: The given question can be solved as shown in step2.

Q: A purse costs 4 times as much as a dress. If the purse costs $224, how much does Olivia spend on the…

A: Given  purse costs= $224 let cost of dress=x then according to question

Q: 2.The mathematical line of best fit for the Gov. Inslee Rubber Band Bungee Jump Challenge was d = -8…

A:

Q: A train leaves Chicago at 7 a.m., traveling at 70 mph to New York, which is 800 miles away. Another…

A:

Q: Part A answer is:  1.43x+24 Part B answer is:  0.63x+21 so Part C is wrong the answer you put!!…

A: As per your data M(x)=1.43x+24W(x)=0.63+21 Here we need to find the Part C  That is, The average…

Q: Remember to solve algebraically using the 4-step process and explain please. Fred is five years…

A: Let Fred's age be F years and Oshaun age be O yearsF+5=O             ---Eq  1F-4=23(O)        ---Eq…

Q: 59. Textiles. A textile mill uses two blended yarns–a standard blend that is 30% acrylic, 30% wool,…

A: Given: Standard blends - 30% acrylic, 30% wool, and 40% nylon. deluxe blends - 9% acrylic, 39% wool,…

Q: Nanh’s box has a rectangular base that is 338 square inches on the inside of the box. Nanh has the…

A: The objective of the question is to find the length and width of the box given that the area of the…

Q: Explain what deductive reasoning is. How is it related to the axiomatic method?

A: Deductive reasoning:Deductive reasoning is the process where there is a set of one or more…

Q: 14 X-3 + 10 x + 6 =3

A:

Q: Write a word problem that could be solved using the equation x + 1/2 = 5/8

A: We have to write word problem.

Q: V121

A:

Q: i dont understand or figure out how to solve this math problem using "like terms" for example,…

A: Interpretation:

Q: 1. Javier is renting a car for a weekend trip to a town that is 150 miles away. The cost to rent the…

A: Fixed rent of the car, Cf = $55 Rent of the car per mile driven, Cv = $0.10 To total distance to…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.