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
Please help me solve! Thank you so much!
gene expression can occur at several points along the pathway from DNA to RNA proteins. in one example of gene expressions, the protein insulin must be trimmed
A solution is made by dissolving 21.5 grams of glucose (C6H12O6) in 255 grams of water. What is the freezing point depression of the solvent if the freezing poi
What is the balanced formula for cornstarch in water?
If you get bit by a mosquito and it gives you something what is the transmission called
The height, h, in feet of a golf ball above the ground after being hit into the air is given by the equation, h = -16t^2 + 64t, where t is the number of second
What was the first registered domain name?
what did the leaders of the Second Great Awakening belive people should do
A formal presentation can lead to miscommunication when:
Windows clipboard is best described as a a. handy list of recently used documents. b. word processor designed for creating notes and lists. c. folder contain
