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 ( 47+ )
Otras preguntas
Rounding me to the nearest ten, hundred, thousand, or ten thousand will give you the same number. Four of my digits are the same. The sum of all five of the dig
What is sustainable development? building a sufficient number of reservoirs to provide clean water constructing sufficient transportation systems to connect peo
Which is the next logical step in balancing the given equation? N2 + O2 → NO2 Place the coefficient 2 in front of oxygen and nitrogen dioxide. Place the coeffi
What does the medical term blast mean?
The instructor had saved $3,500 and rents an apartment for $275 monthly. He believes the point (6, 1850) would be on the equation of the line.
Hellenic languages are mostly found in a. greece and the aegean islands. b. turkey. c. siberia and arctic russia. d. italy, portugal and spain.
we _____ each day with a walk around the block. began is beginning begin has begun
identify the tense of the verb in the following sentence. ernie has succeeded in his goal to attend college. a. present perfect b. past perfect c. future perfec
Which best states the overall structure of Walden? A.The work describes the effect spending time in nature has on Thoreau, and then explains why it has that eff
Many different types of mutations can occur within the body. Tay-Sachs disease is a deadly disorder that is caused by a missing codon in the gene coding for pro
