Answer:
Ok:
Step-by-step explanation:
I see that you set up 90 miles = 60 mph * t, where you found out that t = 1.5. What what you needed to do was set 180 miles = 45 mph * t. This is because it is 45 mph for the <em>whole</em> trip. Then, you find that t = 4 hours. That that means that he spent 2.5 hours driving back. Then, we can do d=vt and find 90/2.5 as the speed he went home at. Which comes out to be 36 mph.
Answer:
8
im pretty sure :))
Step-by-step explanation:
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do you have a picture of the graph?
28.6
since the 0.5 is the one to be rounded and since the next number is 5, it gets rounded up.
Answer:
The range is −5≤y≤−1 - 5 ≤ y ≤ - 1 .