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 ( 72+ )
Otras preguntas
Lori is a hawk when it comes to grammar. She spotted a mistake in a document, and she swooped in to fix it before anyone else even noticed. Which figure of spee
What is the image of point (2, 3) if the rotation is 180º ?
1. A step occasionally required to repair damaged relationships is
lots of questions please help!
Why did allied leaders meet in 1944 to make plans for post war world A. The atomic bomb had been tested and the USSR and Britain demanded that the US share the
Qu'est-ce qu'on peut lire?
Which of the following cities was the leading center of trade and banking before the Civil War? A. BOSTON B.Washington D.C C.Newyork D. Philadelphia
use mutation in a sentece
Calculate the number of H atoms in 0.190 mole C 6 H 14 O .
Which set of side lengths form a right triangle? A. 53 m, 48 m, 24 m B. 8 cm, 17 cm, 14 cm C. 3 ft, 6 ft, 5 ft D. 50 in., 48 in., 14 in.
