Friday

December 19, 2014

December 19, 2014

Posted by **floyd** on Wednesday, July 2, 2014 at 11:35pm.

- algebra -
**Steve**, Thursday, July 3, 2014 at 12:16amI'd guess that depends on the size of the tank.

- algebra -
**Akuyoma**, Thursday, July 3, 2014 at 12:52amIf you need to add or subtract two rational expressions, how would you do it

- algebra -
**Steve**, Thursday, July 3, 2014 at 5:11amfigure the common denominator. Then, using that, add/subtract the values:

1/3 + 3/7

21 = 3*7, so you really have

(1*7)/(3*7) + (3*3)/(3*7) = (7+9)/21 = 16/21

**Answer this Question**

**Related Questions**

Math- PLEASE HELP - MS Wilkens went to the gas station to fill her car. Her gas ...

college algebra - A paint-mixing machine has 2 inlet pipes. One takes 1 hour ...

akgebra - One pipe can fill a tank in 20 minutes, while another takes 30 minutes...

Math - Tap A fills up a water tank in 45 mins. Tap A fills up_____(ugh soo right...

science - a large fiberglass tank was placed in a pit, before pipes could be ...

algebra - Two pumps can fill a water tank in 256 minutes when working together. ...

Algebra - 2 pumps can fill a water tank in 45 minutes when working together. ...

college algebra - water from a tank is being used for irrigation while the tank ...

Math - Two taps named tap A and B are used to fill a tank. Tap A on its own ...

Chemistry - Imagine that you have a 7.00 gas tank and a 3.00 gas tank. You need ...