Kevin runs:
8 miles -- 84 minutes;
6 miles -- x minutes.
Write a proportion:
Then
Answer: it takes him 63 minutes to run 6 miles
The junior high art club sells candles for a fundraiser. The first week of the fundraiser, the club sells 7 cases of candles. Ea
1 answer:
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F(-10)=-2, f(-8)=5, and f is continuous. All these mean that f(x) is 0 for x in between -10 and -8.
That is, f at -10 is negative, then at -8 is positive. So the graph of f "cuts" the x-axis for an x value in (-10, -8).
Since there is only one value such that f(x)=0, x can only be -9.
Answer: -9
That is, f at -10 is negative, then at -8 is positive. So the graph of f "cuts" the x-axis for an x value in (-10, -8).
Since there is only one value such that f(x)=0, x can only be -9.
Answer: -9