If he runs 5 kilometers in 30 minutes, at that rate he would run 10 kilometers in an hour.
so 10 kilometers per hour is his speed
It follows from the definition of the binomial coefficient:
So we have
That is, 
gets absorbed into the numerator's factorial, and we introduct 
into the denominator. Now, 
, so we get
as required.
Answer:
i am very confused...
Step-by-step explanation:
but im going to ask that n= (3,2)
Answer: 4,5
Step-by-step explanation:
<span>Let m represent the miles ridden. write an inequality to determine how many miles you can ride for $20.
</span><span>5+2.50m <=20</span>
