Answer:
30%.
Step-by-step explanation:
We have been given that at noon a tank contains 10 cm of water after several hours it contains 7 cm of water.
To find the decrease percent we will use formula:
Upon substituting our given values in above formula we will get,
Therefore, the percentage decrease of water in the tank is 30%.
use a calculator girl u smarter than this
(5,3)
x=17-4y
x=17-4x+8
x=25-4x
5x=25
x=5
y=x-2
y=5-2
y=3
rise over run. the slope is -3 for 10.
Alrighty Daniel I think I've figured it out for you. A and B are 55° each, and then C is 70°. Hope I've helped!!