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 ( 89+ )
Otras preguntas
Use the rules of equations and inverse operations to solve the equation3x^2=48. ±2 -4 ±4 4
Steve goes to see Devan because he cannot harvest the wheat in his field. The engine for his harvesting equipment is not functioning. After getting the equipmen
What is a metaphor for life has happy times and sad times
which of the sentence which is correctly capitalized. A) I asked Mother if my father was home yet. B) I asked mother if my Father was home yet.
Which of these would not be a reason why earth can support life but other planets in our solar system do not have life?
Morgan is walking her dog on an 8-meter-long leash. She is currently 500 meters from her house, so the maximum and minimum distances that the dog may be from th
Sam ate 2 corn dogs and 5 caramel apples at the fair if corndogs cost $2.25 and caramel apples cost $0.95 cents a piece, what is the ratio of total cost of corn
what is Michelle Obama famous for
Use the following chart to find the meaning of prokaryote. A. before cells with a true nucleus B. cells before or after with a true nucleus C. cells with a nucl
2(x+3)=9+2x sole then determine if is an identity, conditional equation, or inconsistent equation
