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 ( 19+ )
Otras preguntas
PLZ HELP ASAP!!! The CPU is referred to as the ______ of the computer. A. brains B. face C. heart D. soul
need help is 4. distribute property of equality or subtraction property of equality
How do the 16th 19th and 26th amendment change relationship between state governments and federal government
What is the measure of 1 (1 point) 45 60 120 125?
What does the map imply about the difference between trade from Songhai and trade from Mogadishu (on the eastern coast)?
Who did the british colonies export goods to?
What other product occurs when ac-222 releases an alpha particle?
What happened after the end of the Spanish rule too two Texas towns?
In roman republic, why might a dictator have been named in a time of crisis? Add a definition of dictator in your answer.
Arthropods, like shrimp, molt because
