ashontiera22
ashontiera22
23-03-2017
Mathematics
contestada
Need help with theses questions please
Respuesta :
ghanami
ghanami
23-03-2017
Hello:
3x²+5x+2=0
delta = (5)²-4(3)(2)=1
x =( -5
±1)/6
x= -2/3 or x=-1
t4-81=(t²)² -9² = (t²-9)(t²+9) =(t-3)(t+3)(t²+9)....(answer B)
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
Christine is riding her bicycle. She rides for 11.2 kilometers at a speed of 7 kilometers per hour. For how many hours does she ride?
Sugar dissolved into water is an example of a ........ A. Solution B.compound C.molecule
Choose the word that best represents homeostasis. A. Movement B. Equilibrium C. Unbalanced D. Synthesis
the 10 role of police in a disaster management
The Party is the oldest political party in the United States.
Know the answer..........?
What is the measure of angle A?
The standard form of the equation of a circle is (x?4)2+(y?2)2=9. What is the general form of the equation? X2+y2+8x+4y+11=0 x2+y2+8x+4y?29=0 x2+y2?8x?4y?29=0 x
Please help will give brainliest
Use technology or a z-score table to answer the question. Scores on a standardized military exam are normally distributed with a mean of 57 and a standard devia
