Answer:
10 m
Step-by-step explanation:
Given:
The discharge of water is equal to the product of of its width, its average depth and its speed.
Let
be discharge of water,
be its width,
be its average depth and
be its speed.
So, 
As per question,

Plug in the above values and solve for
.

Therefore, the average depth of the Mississippi river is 10 m.
Answer:
Step-by-step explanation:
Tanisha, Elicia, and Ajua are cousins. Tanisha is twice as old as Ajua, and Elicia is two years older than Tanisha. The sum of all their ages is 37. Use variable expressions and calculate the age of each girl
Let us represent:
The age of :
Tanisha = a
Elicia = b
Ajua = c
Tanisha, Elicia, and Ajua are cousins. Tanisha is twice as old as Ajua
a = 2c
c = 2/a
Elicia is two years older than Tanisha.l
b = a + 2
The sum of all their ages is 37.
a + b + c = 37
We substitute
a + a + 2 + 2/a = 37
2a + 2 + 2/a = 37
Use variable expressions and calculate the age of each girl
Step-by-step explanation:
ಭಿನ್ ಸ್ಥಿ stucco right fervor
Answer:8x-5y
Step-by-step explanation:
(3x-4y)-(-5x+y)
Remove brackets
3x-4y+5x-y
Collect like terms
3x+5x-4y-y
8x-5y