Posted by **adore001** on Sunday, November 14, 2010 at 8:00pm.

use mulitplying by 1 to find an expression equivalent to (10/13) with a denominator of 39a

Thank you for your help.

- algebra I -
**Reiny**, Sunday, November 14, 2010 at 8:09pm
ask yourself

"What did I multiply 13 by to get 39a ?"

How about 10/13 * 3a/(3a) = (30a)/(39a)

- algebra I -
**Pam**, Wednesday, November 24, 2010 at 9:57am
Provide an example of at least five ordered pairs that do not model a function. The domain will be any five integers between 0 and 20. The range will be any five integers between -10 and 10. Your example must not be the same as those of other students or the textbook. Why does your example not model a function?

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