##### Ads

related to: ditto

a) -2.9 x^2+28.4x -40.2 =0 2.9x^2-28.4 x+40.2=0 29x^2 -284 x +402 =0 x= [142 +/- 92.22]/29 so x=[142 +92.22]/29 = 234.22 /29 =8.076 or x=(142-92.22)/29 =191.78 /29=6.61 so the company will start to gain profit in the 7th year ( the answer 6.61) and start to lose money ar 9th year (8.076 ) for the highest profit get p' (x)=0 & it...

3 Answers Â· Science & Mathematics Â· 11/12/2007

Elio is correct in his explanation. 14 pounds = 1 stone. 14 pounds of feathers will equal 14 pounds of lead every time.

5 Answers Â· Science & Mathematics Â· 26/03/2009

**Ditto**Rita â€” missing rt. parens & nothing to "solve."...2 Answers Â· Science & Mathematics Â· 19/03/2015

3Ë£ = x5Ë£ . . . . . . [1]

**Ditto**Mathmom â€” the only reason to pay attention to anonymous' answer, is...3 Answers Â· Science & Mathematics Â· 01/11/2015

**Ditto**on the we-need-more-information comment. AB(C U B) = ...3 Answers Â· Science & Mathematics Â· 14/10/2008

**Ditto**on the other two answers, for your subject. To your...3 Answers Â· Science & Mathematics Â· 19/07/2009

**Ditto**what Geezah said, but with the additional + 20 at the end of his...5 Answers Â· Science & Mathematics Â· 23/12/2008

**Ditto**for Scott. But. . . remember that perpendicular lines have ...2 Answers Â· Science & Mathematics Â· 08/11/2008

**Ditto**. Composite #'s have more than 2 factors whereas Prime...2 Answers Â· Science & Mathematics Â· 01/10/2009

**Ditto**Steve! lol it's fairly easy....just substitute (2) for x in the equation and solve! Steve beat me to it....darnit!2 Answers Â· Science & Mathematics Â· 08/03/2011

##### Ads

related to: ditto