First of all you need to work out 20 minutes in hours, this can be done by dividing 20 by 60:
20/60 = 1/3
Then you need to divide 15 by 1/3 to get the final speed:
15 / 1/3 = 45 miles per hour
He will need to be traveling at 45 miles per hour,
Hope this helps! :)
Answer:
35.225 I believe
Step-by-step explanation:
You can always check on Slader.
Answer:
NOT 100% sure! If its not this I think its 
The answer is false. The radius is half the diameter, not 2 times it.
Answer: 2
Step-by-step explanation: add 10 to both sides so -10+10=0 and -6+10=4
then you have 2x=4 simplify
