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## anonymous one year ago ***WILL MEDAL***

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1. anonymous

2. anonymous
3. anonymous

I got it just by searching for "s-p interval epicenter distance site:.edu"

4. anonymous

So u dont even have a guess what the answer is cuz i dont understand this question at all

5. anonymous

Actually, now that I look at it again, they gave you an equation they wanted to use. The S-P interval, for this problem, is just a number. The equation they want you to plug it into is, if n is the s-p interval and x is the distance: n=0.00146x

6. anonymous

Tell me what answer you get and I'll double-check it with mine.

7. anonymous

550?

8. anonymous

Check to make sure you divided by .00146 and not .0146

9. anonymous

Divide that bye what?

10. anonymous

Try solving the equation again. If you don't know how, tell me. Double check you type in .00146 (with 2 zeroes)

11. anonymous

Ok but what do I divide .00146 by?

12. anonymous

You want to find x, the distance to the epicenter, right?

13. anonymous

Yes....

14. anonymous

Do you know how to isolate x?

15. anonymous

No....

16. anonymous

That's fine. You want just a equation that is x=the answer. x is multiplied by .00146 right now. So divide both sides by .00146, and you get x!

17. anonymous

less than 1 km?

18. anonymous

The other side of the equation is n, the s-p interval. So if you divide both sides, you should get: \frac{n}{.00146}=x

19. anonymous

Sorry, $\frac{ sp.distance }{ .00146 }=x$

20. anonymous

Ok so im right?

21. anonymous

You were just off by a zero. Try 8/.00146 in your calculator again, making sure you type in both zeroes.

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