The distance depends on the time.
So now we need to find the constant of variation or the constant of proportionality.
To do so we must find y(the dependent variable) and x(the independent variable).
To find the constant(k) we must find y/x
Since y/x=k
Then 2.25/.75=k
k=3
It’s b I think hope this helps you
Answer:
34 minutes
Step-by-step explanation:
Given


Required
Number of minutes left to spend (x)
Since there's only 1 minute left to spend on every other call;
Time left = x * 1
Time left = x
The required can further be calculated using:

This gives:

Subtract 6 from both sides


<em>Hence, there are 34 minutes left to spend</em>
Answer:
64
Step-by-step explanation:
Answer:
One solution
Step-by-step explanation:
Let us first <u>expand</u> the left side of the equation to rid of the parenthesis:

Now let us <u>isolate</u> the variable to sove for x:

Therefore, x=
. As you can see, there is just one solution.
<em>I hope this helps! Please let me know if you have any further questions :)</em>