Is there any answer choices so I can choose?
Answer:
x=2 and y=-1
Step-by-step explanation:
set equations equal
Answer: it is a direct variation.
Justification:
In a direct variation the variables are related by a proportionality constant in this way:
y = k x
Tthan means that the value of y is always the product of a constant times the value of x.
The situation discribed for the coal may be written as:
number of tons of coal burned: c
number of hours: h
⇒ c = k × h
Which is that you can calcualte the number of tons of coal burned at any time, once you know the proportionality constant k.
It is a right agn have a good day
Answer:
A={3,4,5,...,}
Step-by-step explanation:
Roster form means that we list each element of the set within curly braces
