AnaBelle111
AnaBelle111
05-09-2017
Mathematics
contestada
Please find the value(s) of x.
Respuesta :
liemonder
liemonder
05-09-2017
-2x^2+50x+40=0
-2*(x^2-25x-20)=0
x^2-25x-20=0
complete square:
x^2-25x-20+156.25^2=0+156.25
x^2-25x+156.25^2=20+156.25
(x-12.5)^2=176.25
x-12.5=+/-sqrt(176.5)
x=12.5+/-sqrt(176.5)
Answer Link
VER TODAS LAS RESPUESTAS ( 57+ )
Otras preguntas
Research the decade of the 1920’s what made this decade so unique.
On a coordinate plane, 2 right triangles are shown. The first triangle has points A (negative 1, 3), B (negative 1, 1), C (3, 1). The second triangle has points
HELP ME PLEASE!!!!! Find the inverse function in slope-intercept form (mx+b):
can someone please answer this question for me? i will mark brainliest and it would also be really appreciated! :) During an experiment water was heated in a co
Aparta tu amistad de la persona que si está en peligro te abandona es asonanté o consonante
Find the whole. 70% of is 35
Identify the section in which each type of information can be found on a Safety Data Sheet. recommendations in case of accidental contact with the chemical Cho
Which is an equation in point-slope form for the given point and slope? Point: (5, 9); Slope: 2 • Y- 9 = 2(x- 5) • Y- 5 = 2(x+ 9) • Y+ 9 = 2(x- 5) 0 y- 9 = 2(x
Yesterday when Lisa got home from school, she played video games until dinner. Then she spent several more hours using the computer to study without any breaks.
How can a poem be an analogy for how historians often interpret the same event in a variety of ways? Explain.
