He needs 6 litres of the 20% and 2 litres of the 60% a simple trial and error method will do in this type of equation
Answer:
t = 54 seconds
Step-by-step explanation:
The equation that models the path of a rocket into the air is given by :

It is required to find the time after which the rocket will hit the ground. When it hits the ground, the height of the rocket will becomes zero. It means,
h(t) = 0
i.e.

It means after 54 seconds, the rocket will hit the ground.
Answer:
the answer is -6
Step-by-step explanation:
-14-(-8)=-6.
Answer:
x=3
Step-by-step explanation:
subtract 5x from 7x
subtract 4 from 10
divide 2x and 6 by 2
Answer:
okay so the way your going to set this up is backwards because you already know your hypotenuse. 65^2 = 25^2 + b^2. So its 24 feet
Step-by-step explanation: