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 ( 49+ )
Otras preguntas
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive is how many times wider than a wi
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive is how many times wider than a wi
Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive is how many times wider than a wi
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
