Answer:
24.5 is the answer. It is not rounded.
Step-by-step explanation:
You have to work backwards on this problem. 153.86 divided by 3.14 = 49. But 49 is only your diameter, so you have to divide by 2 to get radius. 49/2 = 24.5.
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Answer:
subtract the exponents:
a^7-2=a^5
Step-by-step explanation:
Step-by-step explanation:

this is the answer
Answer:
let this happens after t hours
so
80t + 60t = 392
140 t = 392
t = 392/140
=2.8 hours
<h3>
Answer: Diagram C</h3>
Reason: Any point in the shaded yellow region has an x coordinate larger than 1. Points on the dashed boundary line are not part of the solution set.