Answer:
Step-by-step explanation:
Average speed for round trip
=total distance/total time
=(200+200 miles)/(200/64+200/38 hours)
=400 miles / (3.125+5.263 hours)
=400 miles / 8.388 hours
= 47.686 miles/hour
Answer:
9
Step-by-step explanation:
We can see that 6 is 2 more than 3, and so the difference is -3^2, 9.
We can check this by seeing that -3^6 is -729 and -3^4 is -81.
We have
-729 / -81 = 9.
Thank you
i will now pass my exam
Answer: 12.25 and 20.25
Step-by-step explanation:
20.25 - 12.25 = 8
Square root of 20.25 is 4.5
Square root of 12.25 is 3.5
4.5 - 3.5 = 1
Hope this helped
