Two families leave Raleigh to go to Disney. The tables below show the distance each family drove at a constant speed. what famil
y was driving faster? Explain answer
sorry but ive been working on this for an hour and i still dk please help im really bad at math
sorry but ive been working on this for an hour and i still dk please help im really bad at math
2 answers:
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Question:
Find the constant of proportionality k. Then write an equation for the relationship between x and y
Answer:
(a)
(b)
Step-by-step explanation:
Given
Solving (a): The constant of proportionality:
Pick any two corresponding x and y values
The constant of proportionality k is:
Solving (b): The equation
In (a), we have:
k can also be expressed as:
Substitute values for x1, y1 and k
Cross multiply:
Open bracket
Add 10 to both sides