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 ( 25+ )
Otras preguntas
In her calculations, Rosita will be using the square root of 2 often. She wants to use as few digits as possible, but at the same time have sufficient precision
List two things Tecumseh thought Native Americans should do to protect their land.
Find the volume of the prism 9 ft 11 ft 14 ft
What did native mississippians call the mississippi river?.
A minor character who has specific traits opposed to the protagonist is MOST likely known as a _____. A. omniscient narrator B. point-of-view character C. fo
Math question I need help
Explain the climatic condition of South America (long answer)
A mixture that you can see some or all of the parts of is called a: 1) mechanical solution 2) pure substance 3) mechanical mixture 4) solution
How do you know the subjects and verbs agree? How do the person and number of each subject affect the verb? a soldier for the grown
Which describes a goal of Portuguese and Spanish exploration? establishing sea routes to the Americas to trade with civilizations there learning about the relig
