Answer:

Step-by-step explanation:
= Surface area of base = 5 square meters
Volume of water in tank = 70 cubic meters
The rate at which the volume is reducing is

Integrating from
to 

Volume of water remaining in the tank is 
Suface area of base
depth = Volume

The depth of the water remaining in the tank is
.
Answer:
- 0.5
Step-by-step explanation:
you first change the fractions numbers in to decimal form
so; 2/5 = 0.4
-7/8 = - 0.875
hence; 0.4 + (-0.875)
= - 0.475
in to its simplest form = - 0.5
the answer is - 0.5
Answer:
71
Step-by-step explanation:
Answer:
-2x + 3
Step-by-step explanation:
-5x/5 - 20/5 - 4x/4 + 28/4 ➡-x - 4 -x +7 ➡-2x + 3
Answer:
B
Step-by-step explanation:
Find the common denominator of all the fractions, add the converted fractions of 0, 2, and 3, then simplify