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 ( 82+ )
Otras preguntas
What is the slope of a line of best fit if its equation is y = 5x – 4?
when are functional documents used? a. when planning an event b. when sharing research c. when looking for a job d. when writing an e-mail
what is the value of 4 in the number 264,807
For Sojourner Truth, deciding which parts of Scripture came from those who wrote the Bible, and not from God, depended on A. her mother's Bible lesson
Caves under the water can be formed in different ways. Which of these phrases is an adjective phrase? A. can be formed B. under the water C. Caves under the
The bulk grain carrier carries 10,000 tonnes of wheat. Each grain pump delivers 0.5 of a tonne per minute and there are 10 such pumps. How long will it take to
which of the following is an example of “making personal connections”? a. i am reading this book for an english homework assignment. b. i think the boys will es
Anyone 27 percent of 93 pls
How many atoms of silver are in 0.90 moles of silver
order these numbers from least to greatest. −3.12 , −3.2 , 8 , −5216
