# Yahoo Web Search

1. ### solve each equation?

...by cross multiplication)_ or 6x-2x=-60+24 or 4x=-36 or x=-9 ans 3) 0 .2x + 4 ( 0 .1x- 0 .3)= 1 . 2 or 0 .2x+ 0 .4x- 1 . 2 = 1 . 2 or 0 .6x= 1 . 2 + 1 . 2 = 2 . 4 0r x= 2 . 4 / 0 .6= 4 ans...

4 Answers · Science & Mathematics · 19/05/2008

2. ### How do I find where sin(x) equals - 1 / 2 between 0 and 2pi?

John , since sin x = - 1 / 2 and sin x refers to y-coordinate in circular function, it follows that it is in 3rd or 4th quadrant. What angle that will give us 30 degrees as our...

2 Answers · Science & Mathematics · 11/05/2013

3. ### How do you find the gradient of x^ 2 +xy+y^ 2 = 4 at the point ( 0 , 1 )? pls answer?

2x + y + xy' + 2yy' = 0 . y' = (-y - 2x)/(x + 2y). Evaulated at ( 0 , 1 ), we have... - 1 / 2 . Hope this helps. - John

2 Answers · Science & Mathematics · 14/05/2008

4. ### Iphone 1 . 1 . 2 to 1 . 1 . 4 ?

...give you a Fresh new iphone with 1 . 1 . 4 on it. It wont brick your phone...100% free and really easy give it a go i did it in 10 minutes: http://unlockitfree.com/forum/index.php/topic,142. 0 .html

2 Answers · Consumer Electronics · 16/03/2008

5. ### If Sally can paint a house in 4 hrs, & John can paint same house in 6 hrs, how long 2 paint the house together?

...hr John paints 0 .167 houses/hr together... in an hour (sally s rate + John s rate). to paint a whole house... combined rate: 1 / (5/12) = 12/5 = 2 . 4 hrs = 2 hours, 24...

2 Answers · Science & Mathematics · 07/10/2008

6. ### How to update my iPhone from 1 . 1 . 4 to 2 . 0 WITHOUT losing my unlock?

Hi, We have the best solution for you, go to http://www.unlockiphone2g.com and jailbreak and unlock your iphone to the latest firmware without losing any data. Best Regards, John http://www.unlockiphone2g.com

3 Answers · Consumer Electronics · 21/10/2012

7. ### If sally can paint a house in 4 hours, and john can paint the same house in 6 hours, how long will it take for?

...sally painting speed + john painting speed) now...the above equation.. time = 1 house / ( 1 house/ 4 hours + 1 house/6... time = 24/10 time = 2 , 4 hours <-- your answer 0 , 4 hours = 0 , 4 * 60...

2 Answers · Education & Reference · 25/01/2011

8. ### If Sally can paint a house in 4 hours, and John 6?

Do these as rates: Sally can paint 1 / 4 of the house per hour John can paint 1 /6 of the house per...common denominator of 12: (3/12 + 2 /12)T = 1 (5/12)T... (Remember 0 . 4 x 60 = 24 minutes...

3 Answers · Science & Mathematics · 25/03/2009

9. ### If Sally can paint a house in 4 hours, and John in 6 hours, how long will it take them together?

... can paint 1 / 4 of the house John can paint 1 /6 of the house Together they can paint 1 / 4 + 1 /6 = 5/12 of the house...they require 12/5 hours or 2 . 4 hours 0 . 4 hours = 0 . 4 &...

7 Answers · Science & Mathematics · 01/05/2009

10. ### Sally can paint a house in 4 hrs, John can paint the same house in 6 hrs, how long if they work together?

... can do it ALONE in 4 hours, with... the last 2 . Shortcut... 2 hours + 0 . 4 hours = 2 ... paints 1 / 4 of the house per hour John paints 1 /6...

4 Answers · Education & Reference · 23/10/2009