Answer:
5n
Step-by-step explanation:
cost of one helmet = $5
let 'n' be the number of person that is n=1,2,3,4........
note that the value of n is always a natural number
therefore the expression = 5n
where 5 is the cost one helmet
n is the number of persons
Answer:
Students look at the relationship between the number of flags manufactured and the stars on the flag and determine whether it represents a proportional relationship.
Key Concepts
The form of the equation of a proportional relation is y = kx, where k is the constant of proportionality.
A graph of a proportional relationship is a straight line that passes through the origin.
The constant of a proportionality in a graph of a proportional relationship is the constant ratio of y to x (the slope of the line).
Goals and Learning Objectives
Identify the constant of proportionality in a proportional relationship based on a real-world problem situation.
Write a formula using the constant of proportionality.
Analyze a graph of a proportional relationship.
Make a graph and determine if it represents a proportional relationship.
Identify the constant of proportionality in a graph of a proportional relationship.
Step-by-step explanation:
Answer:
-2 and -10
Step-by-step explanation:
-2×-10=20
-10+-2=-12
Hope this helps! :)
The total distance of the car is 227.5 miles