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 ( 47+ )
Otras preguntas
How did each side of the cold war become deeper entrenched in their ideals?
Question 11 (1 point) What prevents backflow of urine into the kidneys? O the internal urethral sphincter the angle of the ureter the external urethral sphincte
Find the length of the segment shown below. Round your answer to the nearest tenth.
OFFERING DECENT AMOUNT OF POINTS PLEASE HELP
Which of the following outcomes is a benefit of conventional agriculture? A. Heavy fertilizer use B. Overuse of monoculture C. Overly irrigated soil D. Inexpens
Select the statement that best describes where the process of photosynthesis occurs. Cell wall: a rigid, semi-permeable protective layer in plant cells. Chlorop
hey could someone help me out with this? i’ll be marking brainiest if it’s correct!
Plot the vertex and the axis of symmetry of this function on a graph. f(x) = (x + 2)2 − 6
Does anyone feel like made the BraniestAll you have to do is writing a five to six sentence paragraphIt will be on Anne Frank Diarys Act 2.No Copying and No lin
Write an equation of the ellipse with foci at (+3,0) and co-vertices at (0, +-1).
