February 27, 2017

Homework Help: Math

Posted by Anonymous on Tuesday, October 23, 2007 at 7:52pm.

3 Questions

1. Explain what "any multiple of 9 returns to 9" means. The ancient Chinese found the number 9 magical because of this.

2. The dry cleaners raised the price of a sports coat from $ 4 to $5. The same percent increase was applied to cleaning a jacket. The old cost for cleaning a ajacket was $10. What is the new cost? Show your work.

3. If 2(exponent is n)=8 and 3 (exponent is m)=9 what is the value of n+m?
If 2 (exponent is x) =0.0625, then whatis the value of x?

Thanks, i just don't get these put I got the other 7 on the page.

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