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 ( 29+ )
Otras preguntas
Humans are not the only animals that pollute the air.truefalse
Which renewable energy source is used most?
Which of the following could be the side lengths of a right triangle? a. 3, 13 and 14 b. 4, 5, and 6 c. 4, 9, and 10 d. 5, 10, and 15 e. 5, 12, and 13
Which of the following statements is true? A) In the long run, the average cost curve is always downward sloping. B) In the long run, the quantities of all inpu
n the kitchen cupboard, there are three jars containing different items. sugar is to the right of rice and the flour is to the right of the sugar. which one is
which best-selling book, written by angela duckworth, explains how success can be achieved by a combination of passion and persistence?
in connectionless demultiplexing, when creating datagram to send into udp socket, must specify which of the following(s):
Multiply and reduce to lowest terms. 5 2/5 × 3 6/11= 19 8/55 19 4/25 19 3/8 19 1/7
How do genes, chromosomes, and dna function in reproduction?
which author had the most titles on a single new york times best-seller list in 2022?
