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January 25, 2015

January 25, 2015

Posted by **Dawn** on Monday, October 4, 2010 at 4:57pm.

- Math -
**Reiny**, Monday, October 4, 2010 at 5:01pm-1 ÷ (-7/2)

= -1 x (-2/7)

= 2/7

- Math -
**Ms. Sue**, Monday, October 4, 2010 at 5:01pm-1 / (-7/2) = -1 * -(2/7) = 2/7

- Math -
**PsyDAG**, Monday, October 4, 2010 at 5:02pmDividing by a fraction is that same as multiplying by the inverse of that fraction.

(-1)/(-7/2) = (-1)(-2/7) = 2/7

- Math -
**Dawn**, Monday, October 4, 2010 at 5:05pmInverse means the recpitile right? so like if it was 15, it'd be 15/1 x (-3/4ths) which -3/4ths is actually 4/3s? so 15/1x4/3

- Math -
**Ms. Sue**, Monday, October 4, 2010 at 5:07pmInverse means the

**reciprocal**.

You only use the reciprocal when you divide.

15 / (3/4) = 15/1 * (4/3)

- Math -
**Dawn**, Monday, October 4, 2010 at 5:07pmAh, okay. Thank you.

- Math -
**Ms. Sue**, Monday, October 4, 2010 at 5:10pmYou're welcome.

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