P0tential
P0tential
03-05-2018
Mathematics
contestada
After how many hours does he break even?
Respuesta :
mkryukova19
mkryukova19
03-05-2018
25+30x=5x²-10
5x²-30x-35=0
x²-6x-7=0 -7=-7*1, -6=-7+1
(x-7)(x+1)=0
x-7=0,
x=7 hours.
x+1=0, x=-1 (we cannot take negative for hours)
So, answer is 7
Check
y=25+30*7=235
y=5x²-10= 5*7²-10=245-10 =235
Answer Link
VER TODAS LAS RESPUESTAS ( 71+ )
Otras preguntas
What is the answer to x to 50 and 16 to 25 A.32 B.34 C.41
They numbers 2,5 or ___ are numbers that would make 34,? 21 divisible by 3.
prior to united states entry into world war 2 congress passed the cash and carry act of 1939 and the lend lease act of 1941 these foreign policy actions showed
In your own opinion, which government functions would be best handled by state governments? Check any that apply. making treaties with foreign countries runnin
Dan uses a remote control to make his drone take off from the ground. Function h represents the height, in feet, of the drone t seconds after it begins flying.
In August of 1974, President Nixon resigned and his Vice President, Gerald Ford, took over as president. In 1976, Ford would have to compete in an election to k
Plexus help me ergent
I have quite a few questions so here we go 1478- Ferdinand and Isabella established the __ to ensure the orthodoxy of recent converts to catholisim 1486- Colum
Which of the following should be avoided when writing a business proposal? A. Using an emotional appeal in place of or along with a logical appeal B. Avoiding
please help me with these questions
