Eashka
Eashka
03-12-2014
Mathematics
contestada
I have to solve for b but I can't figure it out
Respuesta :
cristianmiguel
cristianmiguel
03-12-2014
2b2 + 13b -7
b 7
2b -1
(b+7)(2b-1)
b=1/2 or b=-7
Answer Link
Аноним
Аноним
03-12-2014
[tex]2b^2+13b-7=0\\\\2b^2+14b-b-7=0\\\\2b(b+7)-1(b+7)=0\\\\(b+7)(2b-1)=0\iff b+7=0\ or\ 2b-1=0\\\\\boxed{b=-7\ or\ b=0.5}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 92+ )
Otras preguntas
A theory's certainty is _______ a law. A.less than B.the same C.more than D.none of the above
Who was the first president of United States?
helppppppppppppppppp
Choose the correct definition and two examples of kinetic energy. choose the correct definition and two examples of kinetic energy. kinetic energy is the energy
If you are working in a health care facility, and you notice a piece of equipment used to check vital signs is not working properly, what steps should you take?
Pleaseeeeee helppppppppp
You should avoid techniques like “framing” or the rule of thirds when photographing animals.
A champion athlete can produce one horsepower (746 w) for a short period of time. if a 70-kg athlete were to bicycle to the summit of a 500-m high mountain whil
Someonnnne helllppppp !!!
Shakespeare’s sonnet including soonet29 have which characteristic
