Some friends took a road trip to Florida. The following table shows the hours driven for different numbers of miles traveled. What is the constant of proportionality between miles traveled and hours driven?

Q: Which graph represents the proportional relationship y = 3x?

A:

Q: The table shows the changes in elevation of a hiker each day for three days. How many miles of…

A:

Q: A construction team gives an estimate of three months to repave a large stretch of a very busy road…

A: Given Three months = 15 members Also the relationship between construction time and crew members…

Q: Hours (h) 15 Miles (m) 24 40 72 120 a. Does the table above represent a proportional relationship?…

A: Yes, above table represent a proportional relationship.

Q: Alarger household produces more garbage, on average, than a smaller household. If we know the amount…

A: We use system of linear equations to solve the given problem.

Q: Jason’s yearly salary increased from $25,020 to $29,000. What is the relative change over that…

A: Here Given  X2= $ 29,000 X1= $ 25020

Q: It takes 15 minutes to preheat your oven to 325 degrees. For an oven preheated to 325 degrees, the…

A:

Q: Suppose you spent $38.25 for 3 shirts that each cost the same amount. If the cost of the shirts…

A: Answer is mentioned below

Q: x y 03

A:

Q: Complete the following sentence(s).The wing-flapping rate of a bird varies inversely to its wing…

A: Since length of wings and flapping rate are inversely proportional.

Q: Wind farms are a source of renewable energy found around the world. The power P (in kilowatts)…

A:

Q: The scatterplot shows the relationship between Marvin's age and the time it took him to run a mile.…

A: To determine the correct option.

Q: A Canadian goose migrated at a steady rate of 3 miles every 4 minutes. A. Fill in the blanks in the…

A: Migration rate = 3 mile in every 4 minuteLets represent y is distance covered in miles per minuteand…

Q: A sample of bacteria starts with 600 bacteria and doubles every month. a. Describe the input…

A:

Q: A cyclist is tracking weekly mileage while training for a race. The table models the number of…

A: x(weeks)01234y (miles)607286.4103.68124.416

Q: Does the following graph represent a proportional relationship? y 4 1 3 4 3. 2.

A: Consider the above graph. To determine whether the graph represents a proportionality relationship.…

Q: The table below shows total expenditures for colleges and universities in millions of dollars. All…

A:

Q: 42 A baseball league with 322 baseball fields has 7,728 players. Which rate best represents the…

A: Determine relationship between field and players

Q: Gas mileage actually varies slightly with the driving speed of a car (as well as with highway vs.…

A:

Q: The table shows the relationship between the number of parents in a household and the number of…

A: Given Data : Number of parents Number of children 0 0 1 3 1 5 2 4 2 1 For the number…

Q: The number of cell phones that employees at a factory can assemble is directly proportional to the…

A:

Q: The cost of fuel is the largest component of cost of ownership for most vehicles. Fuel cost is​…

A:

Q: The table gives the yearly sales, S, of a retail store in years. a) Find the change in sales from…

A: In this question, we will find the average rate of change.

Q: An administrative assistant is working to improve typing speed. The table models the number of words…

A:

Q: Silver Tin 23.8 13.4 31.21 12.83 35.24 15.75 20.2 12.4 14.69 8.37 15 11.29 13.41 8.99 11.57 5.65…

A: It is given that the price of silver and tin over a recent 9 year period.

Q: Ocean scientists are trying to understand how the rising ocean temperature might affect algae life.…

A: Given: The information showing the information between the temperature and the algae in ocean…

Q: The equation of the least-squares regression line for predicting beak heat loss, as a percent of…

A:

Q: 1) Inspect the data and estimate the amount of blood lost due to one hookworm. (mL/day)

A: X Y (x-xbar) (x-xbar)^2 (y-ybar) (y-ybar)^2 (x-xbar)*(y-ybar) 24 12.2 -26.83333 720.02778…

Q: The body mass index (BMI) of an individual varies directly as the weight of the individual and…

A: Given, body mass index of 21.52 of an individual who has 150lb weight and 70 in. height. BMI is…

Q: The following table shows the cost of downloading songs from iTunes. What is the constant of…

A: The table given in the problem represents the total cost based on number of songs selected for…

Q: What is the constant of proportionality represented in the relation he table shows the cost of…

A: y = kx y= cost x= pound k= constant

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.