roxy1218
roxy1218
25-04-2014
Mathematics
contestada
Find the number of solutions :
4x-2y=8
y=2x+8
Respuesta :
elouramstark
elouramstark
25-04-2014
I think it would be no solution
4x-2(2x+8)=8
4x-4x+16=8
0x+16=8
16=8
which is wrong
Answer Link
Lilith
Lilith
25-04-2014
[tex]\begin{cases} 4x-2y=8 \\ y=2x+8 \end{cases} \\ \\\begin{cases} 4x-2y=8 \\-2x+ y= 8 \ \ /*2\end{cases}\\ \\\begin{cases} 4x-2y=8 \\-4x+ 2y= 16 \ \ /*2\end{cases} \\+ \ \ -------- \\ 0=24 \\ \\ Answer : \ no \ solution[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 13+ )
Otras preguntas
Simplify 6x- 8y -5x + 3y
If 18,000 units are produced and sold, what is the variable cost per unit produced and sold?2. if 22,000 units are produced and sold, what is the variable cost
Escribe una lista de los alimentos que prefieres en cada una de las siguientes situaciones. Depués, compara la lista con la de tu compañero(a). Cuando hace calo
Aaden has decided to break up with his significant other. He has gone over what he is going to say, but can not decide where to have the conversation. After som
_[blank]_ show the distribution and frequency for a set of values. _[blank]_ is how the values are spread out or grouped, and _[blank]_ is how often a value occ
does this represent a function why or why not
Your school wants to take out an ad in the paper congratulating the basketball team on a successful season, as shown to the right. The area of the photo will b
why Dr. King’s nonviolent methods are more likely to be effective
According to the PRECEDE-PROCEED Model, the process of having community members work alongside researchers (partnership with the community) should preferably oc
Turn to Christopher Morley's essay, "On Laziness" on pages 64 - 65 of your textbook. Actively read it and develop a thesis. Then, using the three-sentence patte
