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 ( 62+ )
Otras preguntas
In three to five sentences, explain how industry led to and supported urbanization.
Given an equilateral triangle with sides of length 9, find the length of the altitude. Confirm your answer using the Pythagorean theorem.
____________ rays show areas where large quantities of energy are released.
The equation for line p can be written as y= – 5/4 x–6. Line q includes the point (5, – 8) and is parallel to line p. What is the equation of line q?
Patrick makes about 74% of his free throws when playing basketball. He shoots 40 free throws at practice. About how many free throws will he make? Pls help this
12. Rileigh plays softball. She has 12 softball bats, 4 helmets, 20 softballs, and 6 gloves. What is the ratio of gloves to softballs?
Can someone please help?
HELP DUE SOON this is about area with numbers
Is a backup generator a good investment for your home?.
What are some of the most complex building types to design?.
