lola27l
lola27l
07-01-2016
Mathematics
contestada
what are the solutions to x^2-13x+30
Respuesta :
kasperov1993
kasperov1993
07-01-2016
[tex]ax^2+bx+c=0 \\ \\ x^2-13x+30 = 0 \\ \\ D=b^2-4ac = 169-120=\sqrt{49} =7 \\ \\ x_{1/2} = \frac{-b^2+/-\sqrt{D}}{2a} = \frac{13+/-7}{2*1} \\ \\ x_1 = \frac{13+7}{2} = 10 \\ \\ x_2 = \frac{13-7}{2} = 3[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
The cost of a regular price ticket to a Saint Louis Cardinal baseball game was $60. During the World Series, the price increased by 2 ∕5 . What did the fans pa
how are moses, jesus and muhammad basic belief similar to other monotheistic faiths ?
In America, the main influence of the Enlightenment was expressed through
Gabrielle's age is three times Mikhail's age. The sum of their ages is 56, what is their age?
You are booking a flight from New York to Atlanta. There is no change in the time zones. The flight leaves New York at 11:15 a.m. and arrives in Atlanta at 1:45
two similar cones have surface areas in the ration 4:9. find the ration of their lengths and their volumes
Unlike prokaryotic cells, eukaryotic cells have the ability to
Best Buy sold 638 iPads during the month of May for a total, including tax, of $296,963.48; what was the average cost to the consumer?
If a baking tray is 500mm by 700mm, how many of 25cm in diameter can fit into the oven
What is market equilibrium
