Answer:
b. 20 seconds
Step-by-step explanation:
Let 
be the distance in miles and
be the time in seconds and
be the speed in miles/sec
Formula for Distance is given as:
Given that:
Distance = 2 miles and
Time = 10 seconds
Putting the values in formula:
<em>Answer a:</em>
Putting the value of back in the formula to find the <em>direct variation equation </em>for the relationship between time and distance:
<em>Answer b:</em>
Using the above formula and putting 
:
Y=5x-6 can be rewritten as
y+6=5x
(y+6)/5=x
x=(y+6)/5
The volume of the cone is 201.06193 or 201.1 rounded to the nearest tenth.
Answer:
It will take
100 songs for the monthly price of Napster to cost the same as iTunes.
