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 ( 27+ )
Otras preguntas
Can someone please help me ?
A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square
Which period was the “golden age of dinosaurs”? a. the Triassic Period b. the Jurassic Period c. the Cretaceous Period d. the Tyrannosaurus Period
what does etymology study?
Please I have the answers I just want to double check them and Solvekey: B=42 A=93 N=29 X=361. (b-7)(2b-7)2. (4a-4)(5a-7)3. (5n-6)(4n+7)4. (2n=8)(8n+3)5. (6x
A circular pool is ten feet in diameter and five feet deep. What is its volume, in cubic feet?
Can someone please help me ?
What were some events/things that caused the Great Depression?
Can someone please help me ?
what does etymology study?
