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 ( 85+ )
Otras preguntas
The container that most stores put purchases into is called a _____.
only brilliant can solve
NEED HELP FAST!!! Match each graph with the description of the trend it shows. positive linear trend, negative linear trend, exponential trend, parabolic trend,
which of the following cannot exist in RNA?a. Uracil b. Thymine c. Cytosine d. Guanine
can i get help with this problem asap
What is the chemical formula, # of components, and the total number of atoms, for glucose and water?
Can anybody help me get this right?
the atmospheric circulation cells in the tropics are ____ cells and those in the mid-latitudes are ____ cells.
What is that factored form of r^27-s^30?
Mutation is a relatively unimportant source of variation and is not the foundation for evolution. a. True b. False
