8*.8=6.4
4x+6.4=40
40-6.4=33.6
33.6/4=x
8.4=x
Hope this helps :)
Volume of water in the tank:

Differentiate both sides with respect to time <em>t</em> :

<em>V</em> changes at a rate of 2000 cc/min (cubic cm per minute); use this to solve for d<em>h</em>/d<em>t</em> :


(The question asks how the height changes at the exact moment the height is 50 cm, but this info is a red herring because the rate of change is constant.)
Answer:
Option B and D .....
If the provide option is correct
Or else it should be 7/9 and 0.777
mark me as brainliest ❤️
Answer:
you spend around 12 dollars to be exact 12.69 ha nice
i think it will make it smaller due to the base being longer which stretches out the two sides and makes less space inside of the triangle