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 ( 86+ )
Otras preguntas
In “Lucinda Matlock,” what is the title character's attitude toward life? A. She thinks life is hard. B. She thinks life ends too soon. C. She thinks life i
How much is 20lbs to kg PLS HELP!!!!!
03.04 Family questions voice activity
What is (5+2i)*(5+2i)?
Egyptians used a different alphabet than people from Mesopotamia. Identify and describe the alphabets used by both ancient civilizations.
49x2-14x+1 whats the answer
What is an emergency preparedness plan? A. A plan that includes an emergency supply kit and an escape route from your house. B. A plan that you can fo
Aluminum metal reacts with nitric acid to produce aluminum nitrate and hydrogen gas. identify the balanced reaction that describes this process.
A rancher needs to enclose two adjacent rectangularâ corrals, one for cattle and one for sheep. if the river forms one side of the corrals and 180 yd of fencing
An angle measures 54 less than the measure of a complementary angle. What is the measure of each angle?
