landonsmith87
landonsmith87
03-05-2017
Mathematics
contestada
6y^3-150y............... x^3-10x^2+21x
Respuesta :
DariusX
DariusX
03-05-2017
6y^3-150y=0 / : y
6y^2-150=0
y^2=150/6
y^2=25
y1=5
y2=-5
x^3-10x^2+21x=0 / : x
x^2-10x+21=0
D=(-10)^2 - 4*1*21 = 100 - 84 = 16
x1 = (10 + 4)/2*1 = 7
x2 = (10 - 4)/2*1 = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 55+ )
Otras preguntas
How did the aboriginals people heal themselves before Europeans arrives?
Which statement accurately describes the Battle of Marathon? A. Athens fought alone against Darius's army and decisively defeated the Pers
Acme Inc. spent $870 less on postage than on supplies. The ratio of postage costs to supply costs was 2 to 5. How much did Acme spend on postage? Solve this pro
What is social Darwinism and how was it tied to imperialism?
How did the aboriginals people heal themselves before Europeans arrives?
True or false. If a line L1has equation y = mx + b, where m and b are constants with m ≠ 0, then an equation of a line L2 perpendicular to L1 has the form y = -
luisa has 183 pennies. hert dad gives her 128 more write a number sentence to show many pennies luisa has now
what is 5m+6+m-18=60
What do you think was the most serious problem faced by settlers in Virginia? Why?
What is 3y = 15x - 12 in y = mx + b form ?
