Answer:
Step-by-step explanation:
we have
Equate to zero
The formula to solve a quadratic equation of the form
is equal to
in this problem we have
so
substitute in the formula
Remember that
so
Answer:19.74 gallons of the gas in the tank is wasted.
Step-by-step explanation:
Since the efficiency of the gas engine is 6%, wastage is #= 100 - 6 = 94%.
Therefore wastage = 94% x 21=94 x21/100=19.74 gallons
There is no work. i just did it in my head. x = 15 because 15^2 equals 225 and 15+2 = 17 so if 15*15 equals 225 then if you add 30 more that is 255. 30 is equal 2*15 and so you could also say 15*15+(15*2) so 15*17 = 255 so x = 15. you're welcome.
Answer:
(-3,2)
Step-by-step explanation:
For further questions or graphing questions I would recommend the website desmos graphing calculator it really helps !!
The answer is 6.4
It is positive because the 11.4 is larger than the negatvie 5.
I hope this helps!
