mayvar1
mayvar1
24-03-2015
Mathematics
contestada
Solve.
x^2+y^2=9
2z^2-y^2=6
Respuesta :
Panoyin
Panoyin
25-03-2015
1x² + 1y² = 9
2x² - 1y² = 6
3x²
=
15
3 3
x² = 5
x ≈ 2.236
2(2.236)² - 1y² = 6
2(5) - 1y² = 6
10 - 1y² = 6
-10 -10
-1y²
=
-4
-1 -1
y² = 4
y = 2
(x, y) = (2.236,2)
(x², y²) = (5, 4)
x² + y² = 9
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
In late adulthood, the ________, are considered the group likely to experience some health problems and some difficulties with daily activities.
Imagine that tom, a 51-year-old man, breaks his foot and is nonambulatory for 8 weeks. What term describes the increase in tom’s energy expenditures?
What provisions should we make to provide opportunities to the children, hepless, senior citizens and the people with physical disabilities?
_____ products are purchased with little shopping effort. these products typically are purchased regularly, usually with little planning, and require wide distr
Which definition of a compression is correct?
A system of marriage that unites only two partners is called ________. a. polygyny. b. polygamy. c. polyandry. d. monogamy.
According to kohlberg’s theory of moral development, during which level do children base their moral judgments on rules that maintain the social order?
A blue chip corporation is making a bond offering that is rated aaa. during the issue’s first year of trading, what is the greatest potential risk that a bondho
What is it called when scientists explore the world around them? A Peer Review B Making observations C Scientific disagreement D Forming a hypothesis
calíz ba en aguda Grave esdrujula o sobreesdrujula
