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 ( 13+ )
Otras preguntas
customer lifetime value a. refers to the projected sum of all transactions over the lifetime of any buyer. b. is the index increasingly used by innovative firms
you are moving from an apartment to a house and are planning to rent a 24-foot moving truck. you have two options. rent-a-truck charges $39.95 plus $0.79 per mi
while reading highly familiar words at a very rapid speed, megan effortlessly understands almost every word. this ability highlights the importance of
reviewing rna structure like dna, rna contains four nitrogenous bases. three of them are the same as those found in dna. the one that is different is called . t
how many potential reading frames are present in an mrna molecule? enter only a number/numeral in the provided box.
in the swedish company pure slumber inc., all the important positions in its foreign subsidiaries are held by swedish nationals. according to this information,
one model of succession predicts that different types of plants can all colonize an area at the same time and it is chance alone that determines which one arriv
your firm uses the residual dividend model to set dividend policy. market interest rates suddenly rise, and stock prices decline. your firm's earnings, investme
clara's, a cosmetics manufacturer, sells many of its products through retail outlets. however, the firm sells a few expensive, popular products only through dir
Solve for X. 5 star + heart reward for best answer!! Please give step by step explanation. -1 - 8/3(1/4x) = 2 Hint given: Change subtraction to addition of the
