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 ( 16+ )
Otras preguntas
Which of the following statements correctly describes the make-up and function of genes? Genes are made of DNA and are carried on chromosomes. Genes are not ma
which image illustrates diffraction
State two of Newton's three laws.
Describe the process of decomposition (Hurricane Sandy) PLEASE HELP!!
What do electrons get their energy in photosynthesis 1?A-from energy in protons B-from glucose in the Calvin cycle C-from NAD and NADPHD-from ADP and ATPFrom ap
In the Declaration of Independence, Thomas Jefferson asserts that certain unalienable rights are _____.
which of these causes Americans to move to the West in the mid-1800s
Yasmin saw this word in her vocabulary list. Monocracy. What is the most likely way Yasmin determined the meaning of “monocracy” as being related to “ruling”?
What empire captured Constantinople in 1453 and replace the Byzantine empire
In the United States dollar bill, nickels, and dimes are A. Representative money. B. Commodity money. C.Various currencies. D. Different denominations.
